gmock/gtest/src/gtest.cc
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24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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29 //
30 // Author: wan@google.com (Zhanyong Wan)
31 //
32 // The Google C++ Testing Framework (Google Test)
33 
34 #include "gtest/gtest.h"
35 #include "gtest/gtest-spi.h"
36 
37 #include <ctype.h>
38 #include <math.h>
39 #include <stdarg.h>
40 #include <stdio.h>
41 #include <stdlib.h>
42 #include <time.h>
43 #include <wchar.h>
44 #include <wctype.h>
45 
46 #include <algorithm>
47 #include <iomanip>
48 #include <limits>
49 #include <ostream> // NOLINT
50 #include <sstream>
51 #include <vector>
52 
53 #if GTEST_OS_LINUX
54 
55 // TODO(kenton@google.com): Use autoconf to detect availability of
56 // gettimeofday().
57 # define GTEST_HAS_GETTIMEOFDAY_ 1
58 
59 # include <fcntl.h> // NOLINT
60 # include <limits.h> // NOLINT
61 # include <sched.h> // NOLINT
62 // Declares vsnprintf(). This header is not available on Windows.
63 # include <strings.h> // NOLINT
64 # include <sys/mman.h> // NOLINT
65 # include <sys/time.h> // NOLINT
66 # include <unistd.h> // NOLINT
67 # include <string>
68 
69 #elif GTEST_OS_SYMBIAN
70 # define GTEST_HAS_GETTIMEOFDAY_ 1
71 # include <sys/time.h> // NOLINT
72 
73 #elif GTEST_OS_ZOS
74 # define GTEST_HAS_GETTIMEOFDAY_ 1
75 # include <sys/time.h> // NOLINT
76 
77 // On z/OS we additionally need strings.h for strcasecmp.
78 # include <strings.h> // NOLINT
79 
80 #elif GTEST_OS_WINDOWS_MOBILE // We are on Windows CE.
81 
82 # include <windows.h> // NOLINT
83 
84 #elif GTEST_OS_WINDOWS // We are on Windows proper.
85 
86 # include <io.h> // NOLINT
87 # include <sys/timeb.h> // NOLINT
88 # include <sys/types.h> // NOLINT
89 # include <sys/stat.h> // NOLINT
90 
91 # if GTEST_OS_WINDOWS_MINGW
92 // MinGW has gettimeofday() but not _ftime64().
93 // TODO(kenton@google.com): Use autoconf to detect availability of
94 // gettimeofday().
95 // TODO(kenton@google.com): There are other ways to get the time on
96 // Windows, like GetTickCount() or GetSystemTimeAsFileTime(). MinGW
97 // supports these. consider using them instead.
98 # define GTEST_HAS_GETTIMEOFDAY_ 1
99 # include <sys/time.h> // NOLINT
100 # endif // GTEST_OS_WINDOWS_MINGW
101 
102 // cpplint thinks that the header is already included, so we want to
103 // silence it.
104 # include <windows.h> // NOLINT
105 
106 #else
107 
108 // Assume other platforms have gettimeofday().
109 // TODO(kenton@google.com): Use autoconf to detect availability of
110 // gettimeofday().
111 # define GTEST_HAS_GETTIMEOFDAY_ 1
112 
113 // cpplint thinks that the header is already included, so we want to
114 // silence it.
115 # include <sys/time.h> // NOLINT
116 # include <unistd.h> // NOLINT
117 
118 #endif // GTEST_OS_LINUX
119 
120 #if GTEST_HAS_EXCEPTIONS
121 # include <stdexcept>
122 #endif
123 
124 #if GTEST_CAN_STREAM_RESULTS_
125 # include <arpa/inet.h> // NOLINT
126 # include <netdb.h> // NOLINT
127 #endif
128 
129 // Indicates that this translation unit is part of Google Test's
130 // implementation. It must come before gtest-internal-inl.h is
131 // included, or there will be a compiler error. This trick is to
132 // prevent a user from accidentally including gtest-internal-inl.h in
133 // his code.
134 #define GTEST_IMPLEMENTATION_ 1
135 #include "src/gtest-internal-inl.h"
136 #undef GTEST_IMPLEMENTATION_
137 
138 #if GTEST_OS_WINDOWS
139 # define vsnprintf _vsnprintf
140 #endif // GTEST_OS_WINDOWS
141 
142 namespace testing {
143 
144 using internal::CountIf;
145 using internal::ForEach;
147 using internal::Shuffle;
148 
149 // Constants.
150 
151 // A test whose test case name or test name matches this filter is
152 // disabled and not run.
153 static const char kDisableTestFilter[] = "DISABLED_*:*/DISABLED_*";
154 
155 // A test case whose name matches this filter is considered a death
156 // test case and will be run before test cases whose name doesn't
157 // match this filter.
158 static const char kDeathTestCaseFilter[] = "*DeathTest:*DeathTest/*";
159 
160 // A test filter that matches everything.
161 static const char kUniversalFilter[] = "*";
162 
163 // The default output file for XML output.
164 static const char kDefaultOutputFile[] = "test_detail.xml";
165 
166 // The environment variable name for the test shard index.
167 static const char kTestShardIndex[] = "GTEST_SHARD_INDEX";
168 // The environment variable name for the total number of test shards.
169 static const char kTestTotalShards[] = "GTEST_TOTAL_SHARDS";
170 // The environment variable name for the test shard status file.
171 static const char kTestShardStatusFile[] = "GTEST_SHARD_STATUS_FILE";
172 
173 namespace internal {
174 
175 // The text used in failure messages to indicate the start of the
176 // stack trace.
177 const char kStackTraceMarker[] = "\nStack trace:\n";
178 
179 // g_help_flag is true iff the --help flag or an equivalent form is
180 // specified on the command line.
181 bool g_help_flag = false;
182 
183 } // namespace internal
184 
185 static const char* GetDefaultFilter() {
186  return kUniversalFilter;
187 }
188 
190  also_run_disabled_tests,
191  internal::BoolFromGTestEnv("also_run_disabled_tests", false),
192  "Run disabled tests too, in addition to the tests normally being run.");
193 
195  break_on_failure,
196  internal::BoolFromGTestEnv("break_on_failure", false),
197  "True iff a failed assertion should be a debugger break-point.");
198 
200  catch_exceptions,
201  internal::BoolFromGTestEnv("catch_exceptions", true),
202  "True iff " GTEST_NAME_
203  " should catch exceptions and treat them as test failures.");
204 
206  color,
207  internal::StringFromGTestEnv("color", "auto"),
208  "Whether to use colors in the output. Valid values: yes, no, "
209  "and auto. 'auto' means to use colors if the output is "
210  "being sent to a terminal and the TERM environment variable "
211  "is set to a terminal type that supports colors.");
212 
214  filter,
216  "A colon-separated list of glob (not regex) patterns "
217  "for filtering the tests to run, optionally followed by a "
218  "'-' and a : separated list of negative patterns (tests to "
219  "exclude). A test is run if it matches one of the positive "
220  "patterns and does not match any of the negative patterns.");
221 
222 GTEST_DEFINE_bool_(list_tests, false,
223  "List all tests without running them.");
224 
226  output,
227  internal::StringFromGTestEnv("output", ""),
228  "A format (currently must be \"xml\"), optionally followed "
229  "by a colon and an output file name or directory. A directory "
230  "is indicated by a trailing pathname separator. "
231  "Examples: \"xml:filename.xml\", \"xml::directoryname/\". "
232  "If a directory is specified, output files will be created "
233  "within that directory, with file-names based on the test "
234  "executable's name and, if necessary, made unique by adding "
235  "digits.");
236 
238  print_time,
239  internal::BoolFromGTestEnv("print_time", true),
240  "True iff " GTEST_NAME_
241  " should display elapsed time in text output.");
242 
244  random_seed,
245  internal::Int32FromGTestEnv("random_seed", 0),
246  "Random number seed to use when shuffling test orders. Must be in range "
247  "[1, 99999], or 0 to use a seed based on the current time.");
248 
250  repeat,
251  internal::Int32FromGTestEnv("repeat", 1),
252  "How many times to repeat each test. Specify a negative number "
253  "for repeating forever. Useful for shaking out flaky tests.");
254 
256  show_internal_stack_frames, false,
257  "True iff " GTEST_NAME_ " should include internal stack frames when "
258  "printing test failure stack traces.");
259 
261  shuffle,
262  internal::BoolFromGTestEnv("shuffle", false),
263  "True iff " GTEST_NAME_
264  " should randomize tests' order on every run.");
265 
267  stack_trace_depth,
268  internal::Int32FromGTestEnv("stack_trace_depth", kMaxStackTraceDepth),
269  "The maximum number of stack frames to print when an "
270  "assertion fails. The valid range is 0 through 100, inclusive.");
271 
273  stream_result_to,
274  internal::StringFromGTestEnv("stream_result_to", ""),
275  "This flag specifies the host name and the port number on which to stream "
276  "test results. Example: \"localhost:555\". The flag is effective only on "
277  "Linux.");
278 
280  throw_on_failure,
281  internal::BoolFromGTestEnv("throw_on_failure", false),
282  "When this flag is specified, a failed assertion will throw an exception "
283  "if exceptions are enabled or exit the program with a non-zero code "
284  "otherwise.");
285 
286 namespace internal {
287 
288 // Generates a random number from [0, range), using a Linear
289 // Congruential Generator (LCG). Crashes if 'range' is 0 or greater
290 // than kMaxRange.
292  // These constants are the same as are used in glibc's rand(3).
293  state_ = (1103515245U*state_ + 12345U) % kMaxRange;
294 
295  GTEST_CHECK_(range > 0)
296  << "Cannot generate a number in the range [0, 0).";
297  GTEST_CHECK_(range <= kMaxRange)
298  << "Generation of a number in [0, " << range << ") was requested, "
299  << "but this can only generate numbers in [0, " << kMaxRange << ").";
300 
301  // Converting via modulus introduces a bit of downward bias, but
302  // it's simple, and a linear congruential generator isn't too good
303  // to begin with.
304  return state_ % range;
305 }
306 
307 // GTestIsInitialized() returns true iff the user has initialized
308 // Google Test. Useful for catching the user mistake of not initializing
309 // Google Test before calling RUN_ALL_TESTS().
310 //
311 // A user must call testing::InitGoogleTest() to initialize Google
312 // Test. g_init_gtest_count is set to the number of times
313 // InitGoogleTest() has been called. We don't protect this variable
314 // under a mutex as it is only accessed in the main thread.
316 static bool GTestIsInitialized() { return g_init_gtest_count != 0; }
317 
318 // Iterates over a vector of TestCases, keeping a running sum of the
319 // results of calling a given int-returning method on each.
320 // Returns the sum.
321 static int SumOverTestCaseList(const std::vector<TestCase*>& case_list,
322  int (TestCase::*method)() const) {
323  int sum = 0;
324  for (size_t i = 0; i < case_list.size(); i++) {
325  sum += (case_list[i]->*method)();
326  }
327  return sum;
328 }
329 
330 // Returns true iff the test case passed.
331 static bool TestCasePassed(const TestCase* test_case) {
332  return test_case->should_run() && test_case->Passed();
333 }
334 
335 // Returns true iff the test case failed.
336 static bool TestCaseFailed(const TestCase* test_case) {
337  return test_case->should_run() && test_case->Failed();
338 }
339 
340 // Returns true iff test_case contains at least one test that should
341 // run.
342 static bool ShouldRunTestCase(const TestCase* test_case) {
343  return test_case->should_run();
344 }
345 
346 // AssertHelper constructor.
348  const char* file,
349  int line,
350  const char* message)
351  : data_(new AssertHelperData(type, file, line, message)) {
352 }
353 
355  delete data_;
356 }
357 
358 // Message assignment, for assertion streaming support.
359 void AssertHelper::operator=(const Message& message) const {
361  AddTestPartResult(data_->type, data_->file, data_->line,
362  AppendUserMessage(data_->message, message),
365  // Skips the stack frame for this function itself.
366  ); // NOLINT
367 }
368 
369 // Mutex for linked pointers.
370 GTEST_API_ GTEST_DEFINE_STATIC_MUTEX_(g_linked_ptr_mutex);
371 
372 // Application pathname gotten in InitGoogleTest.
374 
375 // Returns the current application's name, removing directory path if that
376 // is present.
378  FilePath result;
379 
380 #if GTEST_OS_WINDOWS
381  result.Set(FilePath(g_executable_path).RemoveExtension("exe"));
382 #else
383  result.Set(FilePath(g_executable_path));
384 #endif // GTEST_OS_WINDOWS
385 
386  return result.RemoveDirectoryName();
387 }
388 
389 // Functions for processing the gtest_output flag.
390 
391 // Returns the output format, or "" for normal printed output.
393  const char* const gtest_output_flag = GTEST_FLAG(output).c_str();
394  if (gtest_output_flag == NULL) return std::string("");
395 
396  const char* const colon = strchr(gtest_output_flag, ':');
397  return (colon == NULL) ?
398  std::string(gtest_output_flag) :
399  std::string(gtest_output_flag, colon - gtest_output_flag);
400 }
401 
402 // Returns the name of the requested output file, or the default if none
403 // was explicitly specified.
405  const char* const gtest_output_flag = GTEST_FLAG(output).c_str();
406  if (gtest_output_flag == NULL)
407  return "";
408 
409  const char* const colon = strchr(gtest_output_flag, ':');
410  if (colon == NULL)
413  UnitTest::GetInstance()->original_working_dir()),
414  internal::FilePath(kDefaultOutputFile)).string();
415 
416  internal::FilePath output_name(colon + 1);
417  if (!output_name.IsAbsolutePath())
418  // TODO(wan@google.com): on Windows \some\path is not an absolute
419  // path (as its meaning depends on the current drive), yet the
420  // following logic for turning it into an absolute path is wrong.
421  // Fix it.
422  output_name = internal::FilePath::ConcatPaths(
423  internal::FilePath(UnitTest::GetInstance()->original_working_dir()),
424  internal::FilePath(colon + 1));
425 
426  if (!output_name.IsDirectory())
427  return output_name.string();
428 
430  output_name, internal::GetCurrentExecutableName(),
431  GetOutputFormat().c_str()));
432  return result.string();
433 }
434 
435 // Returns true iff the wildcard pattern matches the string. The
436 // first ':' or '\0' character in pattern marks the end of it.
437 //
438 // This recursive algorithm isn't very efficient, but is clear and
439 // works well enough for matching test names, which are short.
440 bool UnitTestOptions::PatternMatchesString(const char *pattern,
441  const char *str) {
442  switch (*pattern) {
443  case '\0':
444  case ':': // Either ':' or '\0' marks the end of the pattern.
445  return *str == '\0';
446  case '?': // Matches any single character.
447  return *str != '\0' && PatternMatchesString(pattern + 1, str + 1);
448  case '*': // Matches any string (possibly empty) of characters.
449  return (*str != '\0' && PatternMatchesString(pattern, str + 1)) ||
450  PatternMatchesString(pattern + 1, str);
451  default: // Non-special character. Matches itself.
452  return *pattern == *str &&
453  PatternMatchesString(pattern + 1, str + 1);
454  }
455 }
456 
458  const std::string& name, const char* filter) {
459  const char *cur_pattern = filter;
460  for (;;) {
461  if (PatternMatchesString(cur_pattern, name.c_str())) {
462  return true;
463  }
464 
465  // Finds the next pattern in the filter.
466  cur_pattern = strchr(cur_pattern, ':');
467 
468  // Returns if no more pattern can be found.
469  if (cur_pattern == NULL) {
470  return false;
471  }
472 
473  // Skips the pattern separater (the ':' character).
474  cur_pattern++;
475  }
476 }
477 
478 // Returns true iff the user-specified filter matches the test case
479 // name and the test name.
480 bool UnitTestOptions::FilterMatchesTest(const std::string &test_case_name,
481  const std::string &test_name) {
482  const std::string& full_name = test_case_name + "." + test_name.c_str();
483 
484  // Split --gtest_filter at '-', if there is one, to separate into
485  // positive filter and negative filter portions
486  const char* const p = GTEST_FLAG(filter).c_str();
487  const char* const dash = strchr(p, '-');
488  std::string positive;
489  std::string negative;
490  if (dash == NULL) {
491  positive = GTEST_FLAG(filter).c_str(); // Whole string is a positive filter
492  negative = "";
493  } else {
494  positive = std::string(p, dash); // Everything up to the dash
495  negative = std::string(dash + 1); // Everything after the dash
496  if (positive.empty()) {
497  // Treat '-test1' as the same as '*-test1'
498  positive = kUniversalFilter;
499  }
500  }
501 
502  // A filter is a colon-separated list of patterns. It matches a
503  // test if any pattern in it matches the test.
504  return (MatchesFilter(full_name, positive.c_str()) &&
505  !MatchesFilter(full_name, negative.c_str()));
506 }
507 
508 #if GTEST_HAS_SEH
509 // Returns EXCEPTION_EXECUTE_HANDLER if Google Test should handle the
510 // given SEH exception, or EXCEPTION_CONTINUE_SEARCH otherwise.
511 // This function is useful as an __except condition.
512 int UnitTestOptions::GTestShouldProcessSEH(DWORD exception_code) {
513  // Google Test should handle a SEH exception if:
514  // 1. the user wants it to, AND
515  // 2. this is not a breakpoint exception, AND
516  // 3. this is not a C++ exception (VC++ implements them via SEH,
517  // apparently).
518  //
519  // SEH exception code for C++ exceptions.
520  // (see http://support.microsoft.com/kb/185294 for more information).
521  const DWORD kCxxExceptionCode = 0xe06d7363;
522 
523  bool should_handle = true;
524 
525  if (!GTEST_FLAG(catch_exceptions))
526  should_handle = false;
527  else if (exception_code == EXCEPTION_BREAKPOINT)
528  should_handle = false;
529  else if (exception_code == kCxxExceptionCode)
530  should_handle = false;
531 
532  return should_handle ? EXCEPTION_EXECUTE_HANDLER : EXCEPTION_CONTINUE_SEARCH;
533 }
534 #endif // GTEST_HAS_SEH
535 
536 } // namespace internal
537 
538 // The c'tor sets this object as the test part result reporter used by
539 // Google Test. The 'result' parameter specifies where to report the
540 // results. Intercepts only failures from the current thread.
542  TestPartResultArray* result)
543  : intercept_mode_(INTERCEPT_ONLY_CURRENT_THREAD),
544  result_(result) {
545  Init();
546 }
547 
548 // The c'tor sets this object as the test part result reporter used by
549 // Google Test. The 'result' parameter specifies where to report the
550 // results.
552  InterceptMode intercept_mode, TestPartResultArray* result)
553  : intercept_mode_(intercept_mode),
554  result_(result) {
555  Init();
556 }
557 
560  if (intercept_mode_ == INTERCEPT_ALL_THREADS) {
561  old_reporter_ = impl->GetGlobalTestPartResultReporter();
563  } else {
564  old_reporter_ = impl->GetTestPartResultReporterForCurrentThread();
566  }
567 }
568 
569 // The d'tor restores the test part result reporter used by Google Test
570 // before.
573  if (intercept_mode_ == INTERCEPT_ALL_THREADS) {
574  impl->SetGlobalTestPartResultReporter(old_reporter_);
575  } else {
576  impl->SetTestPartResultReporterForCurrentThread(old_reporter_);
577  }
578 }
579 
580 // Increments the test part result count and remembers the result.
581 // This method is from the TestPartResultReporterInterface interface.
583  const TestPartResult& result) {
584  result_->Append(result);
585 }
586 
587 namespace internal {
588 
589 // Returns the type ID of ::testing::Test. We should always call this
590 // instead of GetTypeId< ::testing::Test>() to get the type ID of
591 // testing::Test. This is to work around a suspected linker bug when
592 // using Google Test as a framework on Mac OS X. The bug causes
593 // GetTypeId< ::testing::Test>() to return different values depending
594 // on whether the call is from the Google Test framework itself or
595 // from user test code. GetTestTypeId() is guaranteed to always
596 // return the same value, as it always calls GetTypeId<>() from the
597 // gtest.cc, which is within the Google Test framework.
599  return GetTypeId<Test>();
600 }
601 
602 // The value of GetTestTypeId() as seen from within the Google Test
603 // library. This is solely for testing GetTestTypeId().
605 
606 // This predicate-formatter checks that 'results' contains a test part
607 // failure of the given type and that the failure message contains the
608 // given substring.
609 AssertionResult HasOneFailure(const char* /* results_expr */,
610  const char* /* type_expr */,
611  const char* /* substr_expr */,
612  const TestPartResultArray& results,
614  const string& substr) {
615  const std::string expected(type == TestPartResult::kFatalFailure ?
616  "1 fatal failure" :
617  "1 non-fatal failure");
618  Message msg;
619  if (results.size() != 1) {
620  msg << "Expected: " << expected << "\n"
621  << " Actual: " << results.size() << " failures";
622  for (int i = 0; i < results.size(); i++) {
623  msg << "\n" << results.GetTestPartResult(i);
624  }
625  return AssertionFailure() << msg;
626  }
627 
628  const TestPartResult& r = results.GetTestPartResult(0);
629  if (r.type() != type) {
630  return AssertionFailure() << "Expected: " << expected << "\n"
631  << " Actual:\n"
632  << r;
633  }
634 
635  if (strstr(r.message(), substr.c_str()) == NULL) {
636  return AssertionFailure() << "Expected: " << expected << " containing \""
637  << substr << "\"\n"
638  << " Actual:\n"
639  << r;
640  }
641 
642  return AssertionSuccess();
643 }
644 
645 // The constructor of SingleFailureChecker remembers where to look up
646 // test part results, what type of failure we expect, and what
647 // substring the failure message should contain.
649  const TestPartResultArray* results,
651  const string& substr)
652  : results_(results),
653  type_(type),
654  substr_(substr) {}
655 
656 // The destructor of SingleFailureChecker verifies that the given
657 // TestPartResultArray contains exactly one failure that has the given
658 // type and contains the given substring. If that's not the case, a
659 // non-fatal failure will be generated.
661  EXPECT_PRED_FORMAT3(HasOneFailure, *results_, type_, substr_);
662 }
663 
665  UnitTestImpl* unit_test) : unit_test_(unit_test) {}
666 
668  const TestPartResult& result) {
669  unit_test_->current_test_result()->AddTestPartResult(result);
670  unit_test_->listeners()->repeater()->OnTestPartResult(result);
671 }
672 
674  UnitTestImpl* unit_test) : unit_test_(unit_test) {}
675 
677  const TestPartResult& result) {
678  unit_test_->GetGlobalTestPartResultReporter()->ReportTestPartResult(result);
679 }
680 
681 // Returns the global test part result reporter.
684  internal::MutexLock lock(&global_test_part_result_reporter_mutex_);
685  return global_test_part_result_repoter_;
686 }
687 
688 // Sets the global test part result reporter.
691  internal::MutexLock lock(&global_test_part_result_reporter_mutex_);
692  global_test_part_result_repoter_ = reporter;
693 }
694 
695 // Returns the test part result reporter for the current thread.
698  return per_thread_test_part_result_reporter_.get();
699 }
700 
701 // Sets the test part result reporter for the current thread.
704  per_thread_test_part_result_reporter_.set(reporter);
705 }
706 
707 // Gets the number of successful test cases.
709  return CountIf(test_cases_, TestCasePassed);
710 }
711 
712 // Gets the number of failed test cases.
714  return CountIf(test_cases_, TestCaseFailed);
715 }
716 
717 // Gets the number of all test cases.
719  return static_cast<int>(test_cases_.size());
720 }
721 
722 // Gets the number of all test cases that contain at least one test
723 // that should run.
725  return CountIf(test_cases_, ShouldRunTestCase);
726 }
727 
728 // Gets the number of successful tests.
731 }
732 
733 // Gets the number of failed tests.
735  return SumOverTestCaseList(test_cases_, &TestCase::failed_test_count);
736 }
737 
738 // Gets the number of disabled tests that will be reported in the XML report.
740  return SumOverTestCaseList(test_cases_,
742 }
743 
744 // Gets the number of disabled tests.
747 }
748 
749 // Gets the number of tests to be printed in the XML report.
752 }
753 
754 // Gets the number of all tests.
755 int UnitTestImpl::total_test_count() const {
756  return SumOverTestCaseList(test_cases_, &TestCase::total_test_count);
757 }
758 
759 // Gets the number of tests that should run.
761  return SumOverTestCaseList(test_cases_, &TestCase::test_to_run_count);
762 }
763 
764 // Returns the current OS stack trace as an std::string.
765 //
766 // The maximum number of stack frames to be included is specified by
767 // the gtest_stack_trace_depth flag. The skip_count parameter
768 // specifies the number of top frames to be skipped, which doesn't
769 // count against the number of frames to be included.
770 //
771 // For example, if Foo() calls Bar(), which in turn calls
772 // CurrentOsStackTraceExceptTop(1), Foo() will be included in the
773 // trace but Bar() and CurrentOsStackTraceExceptTop() won't.
775  (void)skip_count;
776  return "";
777 }
778 
779 // Returns the current time in milliseconds.
781 #if GTEST_OS_WINDOWS_MOBILE || defined(__BORLANDC__)
782  // Difference between 1970-01-01 and 1601-01-01 in milliseconds.
783  // http://analogous.blogspot.com/2005/04/epoch.html
784  const TimeInMillis kJavaEpochToWinFileTimeDelta =
785  static_cast<TimeInMillis>(116444736UL) * 100000UL;
786  const DWORD kTenthMicrosInMilliSecond = 10000;
787 
788  SYSTEMTIME now_systime;
789  FILETIME now_filetime;
790  ULARGE_INTEGER now_int64;
791  // TODO(kenton@google.com): Shouldn't this just use
792  // GetSystemTimeAsFileTime()?
793  GetSystemTime(&now_systime);
794  if (SystemTimeToFileTime(&now_systime, &now_filetime)) {
795  now_int64.LowPart = now_filetime.dwLowDateTime;
796  now_int64.HighPart = now_filetime.dwHighDateTime;
797  now_int64.QuadPart = (now_int64.QuadPart / kTenthMicrosInMilliSecond) -
798  kJavaEpochToWinFileTimeDelta;
799  return now_int64.QuadPart;
800  }
801  return 0;
802 #elif GTEST_OS_WINDOWS && !GTEST_HAS_GETTIMEOFDAY_
803  __timeb64 now;
804 
805 # ifdef _MSC_VER
806 
807  // MSVC 8 deprecates _ftime64(), so we want to suppress warning 4996
808  // (deprecated function) there.
809  // TODO(kenton@google.com): Use GetTickCount()? Or use
810  // SystemTimeToFileTime()
811 # pragma warning(push) // Saves the current warning state.
812 # pragma warning(disable:4996) // Temporarily disables warning 4996.
813  _ftime64(&now);
814 # pragma warning(pop) // Restores the warning state.
815 # else
816 
817  _ftime64(&now);
818 
819 # endif // _MSC_VER
820 
821  return static_cast<TimeInMillis>(now.time) * 1000 + now.millitm;
823  struct timeval now;
824  gettimeofday(&now, NULL);
825  return static_cast<TimeInMillis>(now.tv_sec) * 1000 + now.tv_usec / 1000;
826 #else
827 # error "Don't know how to get the current time on your system."
828 #endif
829 }
830 
831 // Utilities
832 
833 // class String.
834 
835 #if GTEST_OS_WINDOWS_MOBILE
836 // Creates a UTF-16 wide string from the given ANSI string, allocating
837 // memory using new. The caller is responsible for deleting the return
838 // value using delete[]. Returns the wide string, or NULL if the
839 // input is NULL.
840 LPCWSTR String::AnsiToUtf16(const char* ansi) {
841  if (!ansi) return NULL;
842  const int length = strlen(ansi);
843  const int unicode_length =
844  MultiByteToWideChar(CP_ACP, 0, ansi, length,
845  NULL, 0);
846  WCHAR* unicode = new WCHAR[unicode_length + 1];
847  MultiByteToWideChar(CP_ACP, 0, ansi, length,
848  unicode, unicode_length);
849  unicode[unicode_length] = 0;
850  return unicode;
851 }
852 
853 // Creates an ANSI string from the given wide string, allocating
854 // memory using new. The caller is responsible for deleting the return
855 // value using delete[]. Returns the ANSI string, or NULL if the
856 // input is NULL.
857 const char* String::Utf16ToAnsi(LPCWSTR utf16_str) {
858  if (!utf16_str) return NULL;
859  const int ansi_length =
860  WideCharToMultiByte(CP_ACP, 0, utf16_str, -1,
861  NULL, 0, NULL, NULL);
862  char* ansi = new char[ansi_length + 1];
863  WideCharToMultiByte(CP_ACP, 0, utf16_str, -1,
864  ansi, ansi_length, NULL, NULL);
865  ansi[ansi_length] = 0;
866  return ansi;
867 }
868 
869 #endif // GTEST_OS_WINDOWS_MOBILE
870 
871 // Compares two C strings. Returns true iff they have the same content.
872 //
873 // Unlike strcmp(), this function can handle NULL argument(s). A NULL
874 // C string is considered different to any non-NULL C string,
875 // including the empty string.
876 bool String::CStringEquals(const char * lhs, const char * rhs) {
877  if ( lhs == NULL ) return rhs == NULL;
878 
879  if ( rhs == NULL ) return false;
880 
881  return strcmp(lhs, rhs) == 0;
882 }
883 
884 #if GTEST_HAS_STD_WSTRING || GTEST_HAS_GLOBAL_WSTRING
885 
886 // Converts an array of wide chars to a narrow string using the UTF-8
887 // encoding, and streams the result to the given Message object.
888 static void StreamWideCharsToMessage(const wchar_t* wstr, size_t length,
889  Message* msg) {
890  for (size_t i = 0; i != length; ) { // NOLINT
891  if (wstr[i] != L'\0') {
892  *msg << WideStringToUtf8(wstr + i, static_cast<int>(length - i));
893  while (i != length && wstr[i] != L'\0')
894  i++;
895  } else {
896  *msg << '\0';
897  i++;
898  }
899  }
900 }
901 
902 #endif // GTEST_HAS_STD_WSTRING || GTEST_HAS_GLOBAL_WSTRING
903 
904 } // namespace internal
905 
906 // Constructs an empty Message.
907 // We allocate the stringstream separately because otherwise each use of
908 // ASSERT/EXPECT in a procedure adds over 200 bytes to the procedure's
909 // stack frame leading to huge stack frames in some cases; gcc does not reuse
910 // the stack space.
911 Message::Message() : ss_(new ::std::stringstream) {
912  // By default, we want there to be enough precision when printing
913  // a double to a Message.
914  *ss_ << std::setprecision(std::numeric_limits<double>::digits10 + 2);
915 }
916 
917 // These two overloads allow streaming a wide C string to a Message
918 // using the UTF-8 encoding.
919 Message& Message::operator <<(const wchar_t* wide_c_str) {
920  return *this << internal::String::ShowWideCString(wide_c_str);
921 }
922 Message& Message::operator <<(wchar_t* wide_c_str) {
923  return *this << internal::String::ShowWideCString(wide_c_str);
924 }
925 
926 #if GTEST_HAS_STD_WSTRING
927 // Converts the given wide string to a narrow string using the UTF-8
928 // encoding, and streams the result to this Message object.
930  internal::StreamWideCharsToMessage(wstr.c_str(), wstr.length(), this);
931  return *this;
932 }
933 #endif // GTEST_HAS_STD_WSTRING
934 
935 #if GTEST_HAS_GLOBAL_WSTRING
936 // Converts the given wide string to a narrow string using the UTF-8
937 // encoding, and streams the result to this Message object.
939  internal::StreamWideCharsToMessage(wstr.c_str(), wstr.length(), this);
940  return *this;
941 }
942 #endif // GTEST_HAS_GLOBAL_WSTRING
943 
944 // Gets the text streamed to this object so far as an std::string.
945 // Each '\0' character in the buffer is replaced with "\\0".
947  return internal::StringStreamToString(ss_.get());
948 }
949 
950 // AssertionResult constructors.
951 // Used in EXPECT_TRUE/FALSE(assertion_result).
953  : success_(other.success_),
954  message_(other.message_.get() != NULL ?
955  new ::std::string(*other.message_) :
956  static_cast< ::std::string*>(NULL)) {
957 }
958 
959 // Returns the assertion's negation. Used with EXPECT/ASSERT_FALSE.
961  AssertionResult negation(!success_);
962  if (message_.get() != NULL)
963  negation << *message_;
964  return negation;
965 }
966 
967 // Makes a successful assertion result.
969  return AssertionResult(true);
970 }
971 
972 // Makes a failed assertion result.
974  return AssertionResult(false);
975 }
976 
977 // Makes a failed assertion result with the given failure message.
978 // Deprecated; use AssertionFailure() << message.
980  return AssertionFailure() << message;
981 }
982 
983 namespace internal {
984 
985 // Constructs and returns the message for an equality assertion
986 // (e.g. ASSERT_EQ, EXPECT_STREQ, etc) failure.
987 //
988 // The first four parameters are the expressions used in the assertion
989 // and their values, as strings. For example, for ASSERT_EQ(foo, bar)
990 // where foo is 5 and bar is 6, we have:
991 //
992 // expected_expression: "foo"
993 // actual_expression: "bar"
994 // expected_value: "5"
995 // actual_value: "6"
996 //
997 // The ignoring_case parameter is true iff the assertion is a
998 // *_STRCASEEQ*. When it's true, the string " (ignoring case)" will
999 // be inserted into the message.
1000 AssertionResult EqFailure(const char* expected_expression,
1001  const char* actual_expression,
1002  const std::string& expected_value,
1003  const std::string& actual_value,
1004  bool ignoring_case) {
1005  Message msg;
1006  msg << "Value of: " << actual_expression;
1007  if (actual_value != actual_expression) {
1008  msg << "\n Actual: " << actual_value;
1009  }
1010 
1011  msg << "\nExpected: " << expected_expression;
1012  if (ignoring_case) {
1013  msg << " (ignoring case)";
1014  }
1015  if (expected_value != expected_expression) {
1016  msg << "\nWhich is: " << expected_value;
1017  }
1018 
1019  return AssertionFailure() << msg;
1020 }
1021 
1022 // Constructs a failure message for Boolean assertions such as EXPECT_TRUE.
1024  const AssertionResult& assertion_result,
1025  const char* expression_text,
1026  const char* actual_predicate_value,
1027  const char* expected_predicate_value) {
1028  const char* actual_message = assertion_result.message();
1029  Message msg;
1030  msg << "Value of: " << expression_text
1031  << "\n Actual: " << actual_predicate_value;
1032  if (actual_message[0] != '\0')
1033  msg << " (" << actual_message << ")";
1034  msg << "\nExpected: " << expected_predicate_value;
1035  return msg.GetString();
1036 }
1037 
1038 // Helper function for implementing ASSERT_NEAR.
1039 AssertionResult DoubleNearPredFormat(const char* expr1,
1040  const char* expr2,
1041  const char* abs_error_expr,
1042  double val1,
1043  double val2,
1044  double abs_error) {
1045  const double diff = fabs(val1 - val2);
1046  if (diff <= abs_error) return AssertionSuccess();
1047 
1048  // TODO(wan): do not print the value of an expression if it's
1049  // already a literal.
1050  return AssertionFailure()
1051  << "The difference between " << expr1 << " and " << expr2
1052  << " is " << diff << ", which exceeds " << abs_error_expr << ", where\n"
1053  << expr1 << " evaluates to " << val1 << ",\n"
1054  << expr2 << " evaluates to " << val2 << ", and\n"
1055  << abs_error_expr << " evaluates to " << abs_error << ".";
1056 }
1057 
1058 
1059 // Helper template for implementing FloatLE() and DoubleLE().
1060 template <typename RawType>
1061 AssertionResult FloatingPointLE(const char* expr1,
1062  const char* expr2,
1063  RawType val1,
1064  RawType val2) {
1065  // Returns success if val1 is less than val2,
1066  if (val1 < val2) {
1067  return AssertionSuccess();
1068  }
1069 
1070  // or if val1 is almost equal to val2.
1071  const FloatingPoint<RawType> lhs(val1), rhs(val2);
1072  if (lhs.AlmostEquals(rhs)) {
1073  return AssertionSuccess();
1074  }
1075 
1076  // Note that the above two checks will both fail if either val1 or
1077  // val2 is NaN, as the IEEE floating-point standard requires that
1078  // any predicate involving a NaN must return false.
1079 
1080  ::std::stringstream val1_ss;
1081  val1_ss << std::setprecision(std::numeric_limits<RawType>::digits10 + 2)
1082  << val1;
1083 
1084  ::std::stringstream val2_ss;
1085  val2_ss << std::setprecision(std::numeric_limits<RawType>::digits10 + 2)
1086  << val2;
1087 
1088  return AssertionFailure()
1089  << "Expected: (" << expr1 << ") <= (" << expr2 << ")\n"
1090  << " Actual: " << StringStreamToString(&val1_ss) << " vs "
1091  << StringStreamToString(&val2_ss);
1092 }
1093 
1094 } // namespace internal
1095 
1096 // Asserts that val1 is less than, or almost equal to, val2. Fails
1097 // otherwise. In particular, it fails if either val1 or val2 is NaN.
1098 AssertionResult FloatLE(const char* expr1, const char* expr2,
1099  float val1, float val2) {
1100  return internal::FloatingPointLE<float>(expr1, expr2, val1, val2);
1101 }
1102 
1103 // Asserts that val1 is less than, or almost equal to, val2. Fails
1104 // otherwise. In particular, it fails if either val1 or val2 is NaN.
1105 AssertionResult DoubleLE(const char* expr1, const char* expr2,
1106  double val1, double val2) {
1107  return internal::FloatingPointLE<double>(expr1, expr2, val1, val2);
1108 }
1109 
1110 namespace internal {
1111 
1112 // The helper function for {ASSERT|EXPECT}_EQ with int or enum
1113 // arguments.
1114 AssertionResult CmpHelperEQ(const char* expected_expression,
1115  const char* actual_expression,
1116  BiggestInt expected,
1117  BiggestInt actual) {
1118  if (expected == actual) {
1119  return AssertionSuccess();
1120  }
1121 
1122  return EqFailure(expected_expression,
1123  actual_expression,
1124  FormatForComparisonFailureMessage(expected, actual),
1125  FormatForComparisonFailureMessage(actual, expected),
1126  false);
1127 }
1128 
1129 // A macro for implementing the helper functions needed to implement
1130 // ASSERT_?? and EXPECT_?? with integer or enum arguments. It is here
1131 // just to avoid copy-and-paste of similar code.
1132 #define GTEST_IMPL_CMP_HELPER_(op_name, op)\
1133 AssertionResult CmpHelper##op_name(const char* expr1, const char* expr2, \
1134  BiggestInt val1, BiggestInt val2) {\
1135  if (val1 op val2) {\
1136  return AssertionSuccess();\
1137  } else {\
1138  return AssertionFailure() \
1139  << "Expected: (" << expr1 << ") " #op " (" << expr2\
1140  << "), actual: " << FormatForComparisonFailureMessage(val1, val2)\
1141  << " vs " << FormatForComparisonFailureMessage(val2, val1);\
1142  }\
1143 }
1144 
1145 // Implements the helper function for {ASSERT|EXPECT}_NE with int or
1146 // enum arguments.
1147 GTEST_IMPL_CMP_HELPER_(NE, !=)
1148 // Implements the helper function for {ASSERT|EXPECT}_LE with int or
1149 // enum arguments.
1150 GTEST_IMPL_CMP_HELPER_(LE, <=)
1151 // Implements the helper function for {ASSERT|EXPECT}_LT with int or
1152 // enum arguments.
1153 GTEST_IMPL_CMP_HELPER_(LT, < )
1154 // Implements the helper function for {ASSERT|EXPECT}_GE with int or
1155 // enum arguments.
1156 GTEST_IMPL_CMP_HELPER_(GE, >=)
1157 // Implements the helper function for {ASSERT|EXPECT}_GT with int or
1158 // enum arguments.
1159 GTEST_IMPL_CMP_HELPER_(GT, > )
1160 
1161 #undef GTEST_IMPL_CMP_HELPER_
1162 
1163 // The helper function for {ASSERT|EXPECT}_STREQ.
1164 AssertionResult CmpHelperSTREQ(const char* expected_expression,
1165  const char* actual_expression,
1166  const char* expected,
1167  const char* actual) {
1168  if (String::CStringEquals(expected, actual)) {
1169  return AssertionSuccess();
1170  }
1171 
1172  return EqFailure(expected_expression,
1173  actual_expression,
1174  PrintToString(expected),
1175  PrintToString(actual),
1176  false);
1177 }
1178 
1179 // The helper function for {ASSERT|EXPECT}_STRCASEEQ.
1180 AssertionResult CmpHelperSTRCASEEQ(const char* expected_expression,
1181  const char* actual_expression,
1182  const char* expected,
1183  const char* actual) {
1184  if (String::CaseInsensitiveCStringEquals(expected, actual)) {
1185  return AssertionSuccess();
1186  }
1187 
1188  return EqFailure(expected_expression,
1189  actual_expression,
1190  PrintToString(expected),
1191  PrintToString(actual),
1192  true);
1193 }
1194 
1195 // The helper function for {ASSERT|EXPECT}_STRNE.
1196 AssertionResult CmpHelperSTRNE(const char* s1_expression,
1197  const char* s2_expression,
1198  const char* s1,
1199  const char* s2) {
1200  if (!String::CStringEquals(s1, s2)) {
1201  return AssertionSuccess();
1202  } else {
1203  return AssertionFailure() << "Expected: (" << s1_expression << ") != ("
1204  << s2_expression << "), actual: \""
1205  << s1 << "\" vs \"" << s2 << "\"";
1206  }
1207 }
1208 
1209 // The helper function for {ASSERT|EXPECT}_STRCASENE.
1210 AssertionResult CmpHelperSTRCASENE(const char* s1_expression,
1211  const char* s2_expression,
1212  const char* s1,
1213  const char* s2) {
1214  if (!String::CaseInsensitiveCStringEquals(s1, s2)) {
1215  return AssertionSuccess();
1216  } else {
1217  return AssertionFailure()
1218  << "Expected: (" << s1_expression << ") != ("
1219  << s2_expression << ") (ignoring case), actual: \""
1220  << s1 << "\" vs \"" << s2 << "\"";
1221  }
1222 }
1223 
1224 } // namespace internal
1225 
1226 namespace {
1227 
1228 // Helper functions for implementing IsSubString() and IsNotSubstring().
1229 
1230 // This group of overloaded functions return true iff needle is a
1231 // substring of haystack. NULL is considered a substring of itself
1232 // only.
1233 
1234 bool IsSubstringPred(const char* needle, const char* haystack) {
1235  if (needle == NULL || haystack == NULL)
1236  return needle == haystack;
1237 
1238  return strstr(haystack, needle) != NULL;
1239 }
1240 
1241 bool IsSubstringPred(const wchar_t* needle, const wchar_t* haystack) {
1242  if (needle == NULL || haystack == NULL)
1243  return needle == haystack;
1244 
1245  return wcsstr(haystack, needle) != NULL;
1246 }
1247 
1248 // StringType here can be either ::std::string or ::std::wstring.
1249 template <typename StringType>
1250 bool IsSubstringPred(const StringType& needle,
1251  const StringType& haystack) {
1252  return haystack.find(needle) != StringType::npos;
1253 }
1254 
1255 // This function implements either IsSubstring() or IsNotSubstring(),
1256 // depending on the value of the expected_to_be_substring parameter.
1257 // StringType here can be const char*, const wchar_t*, ::std::string,
1258 // or ::std::wstring.
1259 template <typename StringType>
1260 AssertionResult IsSubstringImpl(
1261  bool expected_to_be_substring,
1262  const char* needle_expr, const char* haystack_expr,
1263  const StringType& needle, const StringType& haystack) {
1264  if (IsSubstringPred(needle, haystack) == expected_to_be_substring)
1265  return AssertionSuccess();
1266 
1267  const bool is_wide_string = sizeof(needle[0]) > 1;
1268  const char* const begin_string_quote = is_wide_string ? "L\"" : "\"";
1269  return AssertionFailure()
1270  << "Value of: " << needle_expr << "\n"
1271  << " Actual: " << begin_string_quote << needle << "\"\n"
1272  << "Expected: " << (expected_to_be_substring ? "" : "not ")
1273  << "a substring of " << haystack_expr << "\n"
1274  << "Which is: " << begin_string_quote << haystack << "\"";
1275 }
1276 
1277 } // namespace
1278 
1279 // IsSubstring() and IsNotSubstring() check whether needle is a
1280 // substring of haystack (NULL is considered a substring of itself
1281 // only), and return an appropriate error message when they fail.
1282 
1283 AssertionResult IsSubstring(
1284  const char* needle_expr, const char* haystack_expr,
1285  const char* needle, const char* haystack) {
1286  return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);
1287 }
1288 
1289 AssertionResult IsSubstring(
1290  const char* needle_expr, const char* haystack_expr,
1291  const wchar_t* needle, const wchar_t* haystack) {
1292  return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);
1293 }
1294 
1295 AssertionResult IsNotSubstring(
1296  const char* needle_expr, const char* haystack_expr,
1297  const char* needle, const char* haystack) {
1298  return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);
1299 }
1300 
1301 AssertionResult IsNotSubstring(
1302  const char* needle_expr, const char* haystack_expr,
1303  const wchar_t* needle, const wchar_t* haystack) {
1304  return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);
1305 }
1306 
1307 AssertionResult IsSubstring(
1308  const char* needle_expr, const char* haystack_expr,
1309  const ::std::string& needle, const ::std::string& haystack) {
1310  return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);
1311 }
1312 
1313 AssertionResult IsNotSubstring(
1314  const char* needle_expr, const char* haystack_expr,
1315  const ::std::string& needle, const ::std::string& haystack) {
1316  return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);
1317 }
1318 
1319 #if GTEST_HAS_STD_WSTRING
1320 AssertionResult IsSubstring(
1321  const char* needle_expr, const char* haystack_expr,
1322  const ::std::wstring& needle, const ::std::wstring& haystack) {
1323  return IsSubstringImpl(true, needle_expr, haystack_expr, needle, haystack);
1324 }
1325 
1326 AssertionResult IsNotSubstring(
1327  const char* needle_expr, const char* haystack_expr,
1328  const ::std::wstring& needle, const ::std::wstring& haystack) {
1329  return IsSubstringImpl(false, needle_expr, haystack_expr, needle, haystack);
1330 }
1331 #endif // GTEST_HAS_STD_WSTRING
1332 
1333 namespace internal {
1334 
1335 #if GTEST_OS_WINDOWS
1336 
1337 namespace {
1338 
1339 // Helper function for IsHRESULT{SuccessFailure} predicates
1340 AssertionResult HRESULTFailureHelper(const char* expr,
1341  const char* expected,
1342  long hr) { // NOLINT
1343 # if GTEST_OS_WINDOWS_MOBILE
1344 
1345  // Windows CE doesn't support FormatMessage.
1346  const char error_text[] = "";
1347 
1348 # else
1349 
1350  // Looks up the human-readable system message for the HRESULT code
1351  // and since we're not passing any params to FormatMessage, we don't
1352  // want inserts expanded.
1353  const DWORD kFlags = FORMAT_MESSAGE_FROM_SYSTEM |
1354  FORMAT_MESSAGE_IGNORE_INSERTS;
1355  const DWORD kBufSize = 4096;
1356  // Gets the system's human readable message string for this HRESULT.
1357  char error_text[kBufSize] = { '\0' };
1358  DWORD message_length = ::FormatMessageA(kFlags,
1359  0, // no source, we're asking system
1360  hr, // the error
1361  0, // no line width restrictions
1362  error_text, // output buffer
1363  kBufSize, // buf size
1364  NULL); // no arguments for inserts
1365  // Trims tailing white space (FormatMessage leaves a trailing CR-LF)
1366  for (; message_length && IsSpace(error_text[message_length - 1]);
1367  --message_length) {
1368  error_text[message_length - 1] = '\0';
1369  }
1370 
1371 # endif // GTEST_OS_WINDOWS_MOBILE
1372 
1373  const std::string error_hex("0x" + String::FormatHexInt(hr));
1375  << "Expected: " << expr << " " << expected << ".\n"
1376  << " Actual: " << error_hex << " " << error_text << "\n";
1377 }
1378 
1379 } // namespace
1380 
1381 AssertionResult IsHRESULTSuccess(const char* expr, long hr) { // NOLINT
1382  if (SUCCEEDED(hr)) {
1383  return AssertionSuccess();
1384  }
1385  return HRESULTFailureHelper(expr, "succeeds", hr);
1386 }
1387 
1388 AssertionResult IsHRESULTFailure(const char* expr, long hr) { // NOLINT
1389  if (FAILED(hr)) {
1390  return AssertionSuccess();
1391  }
1392  return HRESULTFailureHelper(expr, "fails", hr);
1393 }
1394 
1395 #endif // GTEST_OS_WINDOWS
1396 
1397 // Utility functions for encoding Unicode text (wide strings) in
1398 // UTF-8.
1399 
1400 // A Unicode code-point can have upto 21 bits, and is encoded in UTF-8
1401 // like this:
1402 //
1403 // Code-point length Encoding
1404 // 0 - 7 bits 0xxxxxxx
1405 // 8 - 11 bits 110xxxxx 10xxxxxx
1406 // 12 - 16 bits 1110xxxx 10xxxxxx 10xxxxxx
1407 // 17 - 21 bits 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
1408 
1409 // The maximum code-point a one-byte UTF-8 sequence can represent.
1410 const UInt32 kMaxCodePoint1 = (static_cast<UInt32>(1) << 7) - 1;
1411 
1412 // The maximum code-point a two-byte UTF-8 sequence can represent.
1413 const UInt32 kMaxCodePoint2 = (static_cast<UInt32>(1) << (5 + 6)) - 1;
1414 
1415 // The maximum code-point a three-byte UTF-8 sequence can represent.
1416 const UInt32 kMaxCodePoint3 = (static_cast<UInt32>(1) << (4 + 2*6)) - 1;
1417 
1418 // The maximum code-point a four-byte UTF-8 sequence can represent.
1419 const UInt32 kMaxCodePoint4 = (static_cast<UInt32>(1) << (3 + 3*6)) - 1;
1420 
1421 // Chops off the n lowest bits from a bit pattern. Returns the n
1422 // lowest bits. As a side effect, the original bit pattern will be
1423 // shifted to the right by n bits.
1424 inline UInt32 ChopLowBits(UInt32* bits, int n) {
1425  const UInt32 low_bits = *bits & ((static_cast<UInt32>(1) << n) - 1);
1426  *bits >>= n;
1427  return low_bits;
1428 }
1429 
1430 // Converts a Unicode code point to a narrow string in UTF-8 encoding.
1431 // code_point parameter is of type UInt32 because wchar_t may not be
1432 // wide enough to contain a code point.
1433 // If the code_point is not a valid Unicode code point
1434 // (i.e. outside of Unicode range U+0 to U+10FFFF) it will be converted
1435 // to "(Invalid Unicode 0xXXXXXXXX)".
1436 std::string CodePointToUtf8(UInt32 code_point) {
1437  if (code_point > kMaxCodePoint4) {
1438  return "(Invalid Unicode 0x" + String::FormatHexInt(code_point) + ")";
1439  }
1440 
1441  char str[5]; // Big enough for the largest valid code point.
1442  if (code_point <= kMaxCodePoint1) {
1443  str[1] = '\0';
1444  str[0] = static_cast<char>(code_point); // 0xxxxxxx
1445  } else if (code_point <= kMaxCodePoint2) {
1446  str[2] = '\0';
1447  str[1] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6)); // 10xxxxxx
1448  str[0] = static_cast<char>(0xC0 | code_point); // 110xxxxx
1449  } else if (code_point <= kMaxCodePoint3) {
1450  str[3] = '\0';
1451  str[2] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6)); // 10xxxxxx
1452  str[1] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6)); // 10xxxxxx
1453  str[0] = static_cast<char>(0xE0 | code_point); // 1110xxxx
1454  } else { // code_point <= kMaxCodePoint4
1455  str[4] = '\0';
1456  str[3] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6)); // 10xxxxxx
1457  str[2] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6)); // 10xxxxxx
1458  str[1] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6)); // 10xxxxxx
1459  str[0] = static_cast<char>(0xF0 | code_point); // 11110xxx
1460  }
1461  return str;
1462 }
1463 
1464 // The following two functions only make sense if the the system
1465 // uses UTF-16 for wide string encoding. All supported systems
1466 // with 16 bit wchar_t (Windows, Cygwin, Symbian OS) do use UTF-16.
1467 
1468 // Determines if the arguments constitute UTF-16 surrogate pair
1469 // and thus should be combined into a single Unicode code point
1470 // using CreateCodePointFromUtf16SurrogatePair.
1471 inline bool IsUtf16SurrogatePair(wchar_t first, wchar_t second) {
1472  return sizeof(wchar_t) == 2 &&
1473  (first & 0xFC00) == 0xD800 && (second & 0xFC00) == 0xDC00;
1474 }
1475 
1476 // Creates a Unicode code point from UTF16 surrogate pair.
1477 inline UInt32 CreateCodePointFromUtf16SurrogatePair(wchar_t first,
1478  wchar_t second) {
1479  const UInt32 mask = (1 << 10) - 1;
1480  return (sizeof(wchar_t) == 2) ?
1481  (((first & mask) << 10) | (second & mask)) + 0x10000 :
1482  // This function should not be called when the condition is
1483  // false, but we provide a sensible default in case it is.
1484  static_cast<UInt32>(first);
1485 }
1486 
1487 // Converts a wide string to a narrow string in UTF-8 encoding.
1488 // The wide string is assumed to have the following encoding:
1489 // UTF-16 if sizeof(wchar_t) == 2 (on Windows, Cygwin, Symbian OS)
1490 // UTF-32 if sizeof(wchar_t) == 4 (on Linux)
1491 // Parameter str points to a null-terminated wide string.
1492 // Parameter num_chars may additionally limit the number
1493 // of wchar_t characters processed. -1 is used when the entire string
1494 // should be processed.
1495 // If the string contains code points that are not valid Unicode code points
1496 // (i.e. outside of Unicode range U+0 to U+10FFFF) they will be output
1497 // as '(Invalid Unicode 0xXXXXXXXX)'. If the string is in UTF16 encoding
1498 // and contains invalid UTF-16 surrogate pairs, values in those pairs
1499 // will be encoded as individual Unicode characters from Basic Normal Plane.
1500 std::string WideStringToUtf8(const wchar_t* str, int num_chars) {
1501  if (num_chars == -1)
1502  num_chars = static_cast<int>(wcslen(str));
1503 
1504  ::std::stringstream stream;
1505  for (int i = 0; i < num_chars; ++i) {
1506  UInt32 unicode_code_point;
1507 
1508  if (str[i] == L'\0') {
1509  break;
1510  } else if (i + 1 < num_chars && IsUtf16SurrogatePair(str[i], str[i + 1])) {
1511  unicode_code_point = CreateCodePointFromUtf16SurrogatePair(str[i],
1512  str[i + 1]);
1513  i++;
1514  } else {
1515  unicode_code_point = static_cast<UInt32>(str[i]);
1516  }
1517 
1518  stream << CodePointToUtf8(unicode_code_point);
1519  }
1520  return StringStreamToString(&stream);
1521 }
1522 
1523 // Converts a wide C string to an std::string using the UTF-8 encoding.
1524 // NULL will be converted to "(null)".
1525 std::string String::ShowWideCString(const wchar_t * wide_c_str) {
1526  if (wide_c_str == NULL) return "(null)";
1527 
1528  return internal::WideStringToUtf8(wide_c_str, -1);
1529 }
1530 
1531 // Compares two wide C strings. Returns true iff they have the same
1532 // content.
1533 //
1534 // Unlike wcscmp(), this function can handle NULL argument(s). A NULL
1535 // C string is considered different to any non-NULL C string,
1536 // including the empty string.
1537 bool String::WideCStringEquals(const wchar_t * lhs, const wchar_t * rhs) {
1538  if (lhs == NULL) return rhs == NULL;
1539 
1540  if (rhs == NULL) return false;
1541 
1542  return wcscmp(lhs, rhs) == 0;
1543 }
1544 
1545 // Helper function for *_STREQ on wide strings.
1546 AssertionResult CmpHelperSTREQ(const char* expected_expression,
1547  const char* actual_expression,
1548  const wchar_t* expected,
1549  const wchar_t* actual) {
1550  if (String::WideCStringEquals(expected, actual)) {
1551  return AssertionSuccess();
1552  }
1553 
1554  return EqFailure(expected_expression,
1555  actual_expression,
1556  PrintToString(expected),
1557  PrintToString(actual),
1558  false);
1559 }
1560 
1561 // Helper function for *_STRNE on wide strings.
1562 AssertionResult CmpHelperSTRNE(const char* s1_expression,
1563  const char* s2_expression,
1564  const wchar_t* s1,
1565  const wchar_t* s2) {
1566  if (!String::WideCStringEquals(s1, s2)) {
1567  return AssertionSuccess();
1568  }
1569 
1570  return AssertionFailure() << "Expected: (" << s1_expression << ") != ("
1571  << s2_expression << "), actual: "
1572  << PrintToString(s1)
1573  << " vs " << PrintToString(s2);
1574 }
1575 
1576 // Compares two C strings, ignoring case. Returns true iff they have
1577 // the same content.
1578 //
1579 // Unlike strcasecmp(), this function can handle NULL argument(s). A
1580 // NULL C string is considered different to any non-NULL C string,
1581 // including the empty string.
1582 bool String::CaseInsensitiveCStringEquals(const char * lhs, const char * rhs) {
1583  if (lhs == NULL)
1584  return rhs == NULL;
1585  if (rhs == NULL)
1586  return false;
1587  return posix::StrCaseCmp(lhs, rhs) == 0;
1588 }
1589 
1590  // Compares two wide C strings, ignoring case. Returns true iff they
1591  // have the same content.
1592  //
1593  // Unlike wcscasecmp(), this function can handle NULL argument(s).
1594  // A NULL C string is considered different to any non-NULL wide C string,
1595  // including the empty string.
1596  // NB: The implementations on different platforms slightly differ.
1597  // On windows, this method uses _wcsicmp which compares according to LC_CTYPE
1598  // environment variable. On GNU platform this method uses wcscasecmp
1599  // which compares according to LC_CTYPE category of the current locale.
1600  // On MacOS X, it uses towlower, which also uses LC_CTYPE category of the
1601  // current locale.
1602 bool String::CaseInsensitiveWideCStringEquals(const wchar_t* lhs,
1603  const wchar_t* rhs) {
1604  if (lhs == NULL) return rhs == NULL;
1605 
1606  if (rhs == NULL) return false;
1607 
1608 #if GTEST_OS_WINDOWS
1609  return _wcsicmp(lhs, rhs) == 0;
1610 #elif GTEST_OS_LINUX && !GTEST_OS_LINUX_ANDROID
1611  return wcscasecmp(lhs, rhs) == 0;
1612 #else
1613  // Android, Mac OS X and Cygwin don't define wcscasecmp.
1614  // Other unknown OSes may not define it either.
1615  wint_t left, right;
1616  do {
1617  left = towlower(*lhs++);
1618  right = towlower(*rhs++);
1619  } while (left && left == right);
1620  return left == right;
1621 #endif // OS selector
1622 }
1623 
1624 // Returns true iff str ends with the given suffix, ignoring case.
1625 // Any string is considered to end with an empty suffix.
1627  const std::string& str, const std::string& suffix) {
1628  const size_t str_len = str.length();
1629  const size_t suffix_len = suffix.length();
1630  return (str_len >= suffix_len) &&
1631  CaseInsensitiveCStringEquals(str.c_str() + str_len - suffix_len,
1632  suffix.c_str());
1633 }
1634 
1635 // Formats an int value as "%02d".
1637  std::stringstream ss;
1638  ss << std::setfill('0') << std::setw(2) << value;
1639  return ss.str();
1640 }
1641 
1642 // Formats an int value as "%X".
1643 std::string String::FormatHexInt(int value) {
1644  std::stringstream ss;
1645  ss << std::hex << std::uppercase << value;
1646  return ss.str();
1647 }
1648 
1649 // Formats a byte as "%02X".
1650 std::string String::FormatByte(unsigned char value) {
1651  std::stringstream ss;
1652  ss << std::setfill('0') << std::setw(2) << std::hex << std::uppercase
1653  << static_cast<unsigned int>(value);
1654  return ss.str();
1655 }
1656 
1657 // Converts the buffer in a stringstream to an std::string, converting NUL
1658 // bytes to "\\0" along the way.
1659 std::string StringStreamToString(::std::stringstream* ss) {
1660  const ::std::string& str = ss->str();
1661  const char* const start = str.c_str();
1662  const char* const end = start + str.length();
1663 
1664  std::string result;
1665  result.reserve(2 * (end - start));
1666  for (const char* ch = start; ch != end; ++ch) {
1667  if (*ch == '\0') {
1668  result += "\\0"; // Replaces NUL with "\\0";
1669  } else {
1670  result += *ch;
1671  }
1672  }
1673 
1674  return result;
1675 }
1676 
1677 // Appends the user-supplied message to the Google-Test-generated message.
1678 std::string AppendUserMessage(const std::string& gtest_msg,
1679  const Message& user_msg) {
1680  // Appends the user message if it's non-empty.
1681  const std::string user_msg_string = user_msg.GetString();
1682  if (user_msg_string.empty()) {
1683  return gtest_msg;
1684  }
1685 
1686  return gtest_msg + "\n" + user_msg_string;
1687 }
1688 
1689 } // namespace internal
1690 
1691 // class TestResult
1692 
1693 // Creates an empty TestResult.
1695  : death_test_count_(0),
1696  elapsed_time_(0) {
1697 }
1698 
1699 // D'tor.
1701 }
1702 
1703 // Returns the i-th test part result among all the results. i can
1704 // range from 0 to total_part_count() - 1. If i is not in that range,
1705 // aborts the program.
1706 const TestPartResult& TestResult::GetTestPartResult(int i) const {
1707  if (i < 0 || i >= total_part_count())
1709  return test_part_results_.at(i);
1710 }
1711 
1712 // Returns the i-th test property. i can range from 0 to
1713 // test_property_count() - 1. If i is not in that range, aborts the
1714 // program.
1715 const TestProperty& TestResult::GetTestProperty(int i) const {
1716  if (i < 0 || i >= test_property_count())
1718  return test_properties_.at(i);
1719 }
1720 
1721 // Clears the test part results.
1723  test_part_results_.clear();
1724 }
1725 
1726 // Adds a test part result to the list.
1727 void TestResult::AddTestPartResult(const TestPartResult& test_part_result) {
1728  test_part_results_.push_back(test_part_result);
1729 }
1730 
1731 // Adds a test property to the list. If a property with the same key as the
1732 // supplied property is already represented, the value of this test_property
1733 // replaces the old value for that key.
1734 void TestResult::RecordProperty(const std::string& xml_element,
1735  const TestProperty& test_property) {
1736  if (!ValidateTestProperty(xml_element, test_property)) {
1737  return;
1738  }
1739  internal::MutexLock lock(&test_properites_mutex_);
1740  const std::vector<TestProperty>::iterator property_with_matching_key =
1741  std::find_if(test_properties_.begin(), test_properties_.end(),
1742  internal::TestPropertyKeyIs(test_property.key()));
1743  if (property_with_matching_key == test_properties_.end()) {
1744  test_properties_.push_back(test_property);
1745  return;
1746  }
1747  property_with_matching_key->SetValue(test_property.value());
1748 }
1749 
1750 // The list of reserved attributes used in the <testsuites> element of XML
1751 // output.
1752 static const char* const kReservedTestSuitesAttributes[] = {
1753  "disabled",
1754  "errors",
1755  "failures",
1756  "name",
1757  "random_seed",
1758  "tests",
1759  "time",
1760  "timestamp"
1761 };
1762 
1763 // The list of reserved attributes used in the <testsuite> element of XML
1764 // output.
1765 static const char* const kReservedTestSuiteAttributes[] = {
1766  "disabled",
1767  "errors",
1768  "failures",
1769  "name",
1770  "tests",
1771  "time"
1772 };
1773 
1774 // The list of reserved attributes used in the <testcase> element of XML output.
1775 static const char* const kReservedTestCaseAttributes[] = {
1776  "classname",
1777  "name",
1778  "status",
1779  "time",
1780  "type_param",
1781  "value_param"
1782 };
1783 
1784 template <int kSize>
1785 std::vector<std::string> ArrayAsVector(const char* const (&array)[kSize]) {
1786  return std::vector<std::string>(array, array + kSize);
1787 }
1788 
1789 static std::vector<std::string> GetReservedAttributesForElement(
1790  const std::string& xml_element) {
1791  if (xml_element == "testsuites") {
1792  return ArrayAsVector(kReservedTestSuitesAttributes);
1793  } else if (xml_element == "testsuite") {
1794  return ArrayAsVector(kReservedTestSuiteAttributes);
1795  } else if (xml_element == "testcase") {
1796  return ArrayAsVector(kReservedTestCaseAttributes);
1797  } else {
1798  GTEST_CHECK_(false) << "Unrecognized xml_element provided: " << xml_element;
1799  }
1800  // This code is unreachable but some compilers may not realizes that.
1801  return std::vector<std::string>();
1802 }
1803 
1804 static std::string FormatWordList(const std::vector<std::string>& words) {
1805  Message word_list;
1806  for (size_t i = 0; i < words.size(); ++i) {
1807  if (i > 0 && words.size() > 2) {
1808  word_list << ", ";
1809  }
1810  if (i == words.size() - 1) {
1811  word_list << "and ";
1812  }
1813  word_list << "'" << words[i] << "'";
1814  }
1815  return word_list.GetString();
1816 }
1817 
1818 bool ValidateTestPropertyName(const std::string& property_name,
1819  const std::vector<std::string>& reserved_names) {
1820  if (std::find(reserved_names.begin(), reserved_names.end(), property_name) !=
1821  reserved_names.end()) {
1822  ADD_FAILURE() << "Reserved key used in RecordProperty(): " << property_name
1823  << " (" << FormatWordList(reserved_names)
1824  << " are reserved by " << GTEST_NAME_ << ")";
1825  return false;
1826  }
1827  return true;
1828 }
1829 
1830 // Adds a failure if the key is a reserved attribute of the element named
1831 // xml_element. Returns true if the property is valid.
1832 bool TestResult::ValidateTestProperty(const std::string& xml_element,
1833  const TestProperty& test_property) {
1834  return ValidateTestPropertyName(test_property.key(),
1835  GetReservedAttributesForElement(xml_element));
1836 }
1837 
1838 // Clears the object.
1839 void TestResult::Clear() {
1840  test_part_results_.clear();
1841  test_properties_.clear();
1842  death_test_count_ = 0;
1843  elapsed_time_ = 0;
1844 }
1845 
1846 // Returns true iff the test failed.
1847 bool TestResult::Failed() const {
1848  for (int i = 0; i < total_part_count(); ++i) {
1849  if (GetTestPartResult(i).failed())
1850  return true;
1851  }
1852  return false;
1853 }
1854 
1855 // Returns true iff the test part fatally failed.
1856 static bool TestPartFatallyFailed(const TestPartResult& result) {
1857  return result.fatally_failed();
1858 }
1859 
1860 // Returns true iff the test fatally failed.
1861 bool TestResult::HasFatalFailure() const {
1862  return CountIf(test_part_results_, TestPartFatallyFailed) > 0;
1863 }
1864 
1865 // Returns true iff the test part non-fatally failed.
1866 static bool TestPartNonfatallyFailed(const TestPartResult& result) {
1867  return result.nonfatally_failed();
1868 }
1869 
1870 // Returns true iff the test has a non-fatal failure.
1871 bool TestResult::HasNonfatalFailure() const {
1872  return CountIf(test_part_results_, TestPartNonfatallyFailed) > 0;
1873 }
1874 
1875 // Gets the number of all test parts. This is the sum of the number
1876 // of successful test parts and the number of failed test parts.
1877 int TestResult::total_part_count() const {
1878  return static_cast<int>(test_part_results_.size());
1879 }
1880 
1881 // Returns the number of the test properties.
1882 int TestResult::test_property_count() const {
1883  return static_cast<int>(test_properties_.size());
1884 }
1885 
1886 // class Test
1887 
1888 // Creates a Test object.
1889 
1890 // The c'tor saves the values of all Google Test flags.
1891 Test::Test()
1892  : gtest_flag_saver_(new internal::GTestFlagSaver) {
1893 }
1894 
1895 // The d'tor restores the values of all Google Test flags.
1896 Test::~Test() {
1897  delete gtest_flag_saver_;
1898 }
1899 
1900 // Sets up the test fixture.
1901 //
1902 // A sub-class may override this.
1903 void Test::SetUp() {
1904 }
1905 
1906 // Tears down the test fixture.
1907 //
1908 // A sub-class may override this.
1909 void Test::TearDown() {
1910 }
1911 
1912 // Allows user supplied key value pairs to be recorded for later output.
1913 void Test::RecordProperty(const std::string& key, const std::string& value) {
1914  UnitTest::GetInstance()->RecordProperty(key, value);
1915 }
1916 
1917 // Allows user supplied key value pairs to be recorded for later output.
1918 void Test::RecordProperty(const std::string& key, int value) {
1919  Message value_message;
1920  value_message << value;
1921  RecordProperty(key, value_message.GetString().c_str());
1922 }
1923 
1924 namespace internal {
1925 
1927  const std::string& message) {
1928  // This function is a friend of UnitTest and as such has access to
1929  // AddTestPartResult.
1931  result_type,
1932  NULL, // No info about the source file where the exception occurred.
1933  -1, // We have no info on which line caused the exception.
1934  message,
1935  ""); // No stack trace, either.
1936 }
1937 
1938 } // namespace internal
1939 
1940 // Google Test requires all tests in the same test case to use the same test
1941 // fixture class. This function checks if the current test has the
1942 // same fixture class as the first test in the current test case. If
1943 // yes, it returns true; otherwise it generates a Google Test failure and
1944 // returns false.
1947  const TestCase* const test_case = impl->current_test_case();
1948 
1949  // Info about the first test in the current test case.
1950  const TestInfo* const first_test_info = test_case->test_info_list()[0];
1951  const internal::TypeId first_fixture_id = first_test_info->fixture_class_id_;
1952  const char* const first_test_name = first_test_info->name();
1953 
1954  // Info about the current test.
1955  const TestInfo* const this_test_info = impl->current_test_info();
1956  const internal::TypeId this_fixture_id = this_test_info->fixture_class_id_;
1957  const char* const this_test_name = this_test_info->name();
1958 
1959  if (this_fixture_id != first_fixture_id) {
1960  // Is the first test defined using TEST?
1961  const bool first_is_TEST = first_fixture_id == internal::GetTestTypeId();
1962  // Is this test defined using TEST?
1963  const bool this_is_TEST = this_fixture_id == internal::GetTestTypeId();
1964 
1965  if (first_is_TEST || this_is_TEST) {
1966  // The user mixed TEST and TEST_F in this test case - we'll tell
1967  // him/her how to fix it.
1968 
1969  // Gets the name of the TEST and the name of the TEST_F. Note
1970  // that first_is_TEST and this_is_TEST cannot both be true, as
1971  // the fixture IDs are different for the two tests.
1972  const char* const TEST_name =
1973  first_is_TEST ? first_test_name : this_test_name;
1974  const char* const TEST_F_name =
1975  first_is_TEST ? this_test_name : first_test_name;
1976 
1977  ADD_FAILURE()
1978  << "All tests in the same test case must use the same test fixture\n"
1979  << "class, so mixing TEST_F and TEST in the same test case is\n"
1980  << "illegal. In test case " << this_test_info->test_case_name()
1981  << ",\n"
1982  << "test " << TEST_F_name << " is defined using TEST_F but\n"
1983  << "test " << TEST_name << " is defined using TEST. You probably\n"
1984  << "want to change the TEST to TEST_F or move it to another test\n"
1985  << "case.";
1986  } else {
1987  // The user defined two fixture classes with the same name in
1988  // two namespaces - we'll tell him/her how to fix it.
1989  ADD_FAILURE()
1990  << "All tests in the same test case must use the same test fixture\n"
1991  << "class. However, in test case "
1992  << this_test_info->test_case_name() << ",\n"
1993  << "you defined test " << first_test_name
1994  << " and test " << this_test_name << "\n"
1995  << "using two different test fixture classes. This can happen if\n"
1996  << "the two classes are from different namespaces or translation\n"
1997  << "units and have the same name. You should probably rename one\n"
1998  << "of the classes to put the tests into different test cases.";
1999  }
2000  return false;
2001  }
2002 
2003  return true;
2004 }
2005 
2006 #if GTEST_HAS_SEH
2007 
2008 // Adds an "exception thrown" fatal failure to the current test. This
2009 // function returns its result via an output parameter pointer because VC++
2010 // prohibits creation of objects with destructors on stack in functions
2011 // using __try (see error C2712).
2012 static std::string* FormatSehExceptionMessage(DWORD exception_code,
2013  const char* location) {
2014  Message message;
2015  message << "SEH exception with code 0x" << std::setbase(16) <<
2016  exception_code << std::setbase(10) << " thrown in " << location << ".";
2017 
2018  return new std::string(message.GetString());
2019 }
2020 
2021 #endif // GTEST_HAS_SEH
2022 
2023 namespace internal {
2024 
2025 #if GTEST_HAS_EXCEPTIONS
2026 
2027 // Adds an "exception thrown" fatal failure to the current test.
2028 static std::string FormatCxxExceptionMessage(const char* description,
2029  const char* location) {
2030  Message message;
2031  if (description != NULL) {
2032  message << "C++ exception with description \"" << description << "\"";
2033  } else {
2034  message << "Unknown C++ exception";
2035  }
2036  message << " thrown in " << location << ".";
2037 
2038  return message.GetString();
2039 }
2040 
2042  const TestPartResult& test_part_result);
2043 
2044 GoogleTestFailureException::GoogleTestFailureException(
2045  const TestPartResult& failure)
2046  : ::std::runtime_error(PrintTestPartResultToString(failure).c_str()) {}
2047 
2048 #endif // GTEST_HAS_EXCEPTIONS
2049 
2050 // We put these helper functions in the internal namespace as IBM's xlC
2051 // compiler rejects the code if they were declared static.
2052 
2053 // Runs the given method and handles SEH exceptions it throws, when
2054 // SEH is supported; returns the 0-value for type Result in case of an
2055 // SEH exception. (Microsoft compilers cannot handle SEH and C++
2056 // exceptions in the same function. Therefore, we provide a separate
2057 // wrapper function for handling SEH exceptions.)
2058 template <class T, typename Result>
2060  T* object, Result (T::*method)(), const char* location) {
2061 #if GTEST_HAS_SEH
2062  __try {
2063  return (object->*method)();
2064  } __except (internal::UnitTestOptions::GTestShouldProcessSEH( // NOLINT
2065  GetExceptionCode())) {
2066  // We create the exception message on the heap because VC++ prohibits
2067  // creation of objects with destructors on stack in functions using __try
2068  // (see error C2712).
2069  std::string* exception_message = FormatSehExceptionMessage(
2070  GetExceptionCode(), location);
2072  *exception_message);
2073  delete exception_message;
2074  return static_cast<Result>(0);
2075  }
2076 #else
2077  (void)location;
2078  return (object->*method)();
2079 #endif // GTEST_HAS_SEH
2080 }
2081 
2082 // Runs the given method and catches and reports C++ and/or SEH-style
2083 // exceptions, if they are supported; returns the 0-value for type
2084 // Result in case of an SEH exception.
2085 template <class T, typename Result>
2087  T* object, Result (T::*method)(), const char* location) {
2088  // NOTE: The user code can affect the way in which Google Test handles
2089  // exceptions by setting GTEST_FLAG(catch_exceptions), but only before
2090  // RUN_ALL_TESTS() starts. It is technically possible to check the flag
2091  // after the exception is caught and either report or re-throw the
2092  // exception based on the flag's value:
2093  //
2094  // try {
2095  // // Perform the test method.
2096  // } catch (...) {
2097  // if (GTEST_FLAG(catch_exceptions))
2098  // // Report the exception as failure.
2099  // else
2100  // throw; // Re-throws the original exception.
2101  // }
2102  //
2103  // However, the purpose of this flag is to allow the program to drop into
2104  // the debugger when the exception is thrown. On most platforms, once the
2105  // control enters the catch block, the exception origin information is
2106  // lost and the debugger will stop the program at the point of the
2107  // re-throw in this function -- instead of at the point of the original
2108  // throw statement in the code under test. For this reason, we perform
2109  // the check early, sacrificing the ability to affect Google Test's
2110  // exception handling in the method where the exception is thrown.
2111  if (internal::GetUnitTestImpl()->catch_exceptions()) {
2112 #if GTEST_HAS_EXCEPTIONS
2113  try {
2114  return HandleSehExceptionsInMethodIfSupported(object, method, location);
2115  } catch (const internal::GoogleTestFailureException&) { // NOLINT
2116  // This exception type can only be thrown by a failed Google
2117  // Test assertion with the intention of letting another testing
2118  // framework catch it. Therefore we just re-throw it.
2119  throw;
2120  } catch (const std::exception& e) { // NOLINT
2123  FormatCxxExceptionMessage(e.what(), location));
2124  } catch (...) { // NOLINT
2127  FormatCxxExceptionMessage(NULL, location));
2128  }
2129  return static_cast<Result>(0);
2130 #else
2131  return HandleSehExceptionsInMethodIfSupported(object, method, location);
2132 #endif // GTEST_HAS_EXCEPTIONS
2133  } else {
2134  return (object->*method)();
2135  }
2136 }
2137 
2138 } // namespace internal
2139 
2140 // Runs the test and updates the test result.
2141 void Test::Run() {
2142  if (!HasSameFixtureClass()) return;
2143 
2147  // We will run the test only if SetUp() was successful.
2148  if (!HasFatalFailure()) {
2151  this, &Test::TestBody, "the test body");
2152  }
2153 
2154  // However, we want to clean up as much as possible. Hence we will
2155  // always call TearDown(), even if SetUp() or the test body has
2156  // failed.
2159  this, &Test::TearDown, "TearDown()");
2160 }
2161 
2162 // Returns true iff the current test has a fatal failure.
2163 bool Test::HasFatalFailure() {
2165 }
2166 
2167 // Returns true iff the current test has a non-fatal failure.
2168 bool Test::HasNonfatalFailure() {
2170  HasNonfatalFailure();
2171 }
2172 
2173 // class TestInfo
2174 
2175 // Constructs a TestInfo object. It assumes ownership of the test factory
2176 // object.
2177 TestInfo::TestInfo(const std::string& a_test_case_name,
2178  const std::string& a_name,
2179  const char* a_type_param,
2180  const char* a_value_param,
2181  internal::TypeId fixture_class_id,
2182  internal::TestFactoryBase* factory)
2183  : test_case_name_(a_test_case_name),
2184  name_(a_name),
2185  type_param_(a_type_param ? new std::string(a_type_param) : NULL),
2186  value_param_(a_value_param ? new std::string(a_value_param) : NULL),
2187  fixture_class_id_(fixture_class_id),
2188  should_run_(false),
2189  is_disabled_(false),
2190  matches_filter_(false),
2191  factory_(factory),
2192  result_() {}
2193 
2194 // Destructs a TestInfo object.
2195 TestInfo::~TestInfo() { delete factory_; }
2196 
2197 namespace internal {
2198 
2199 // Creates a new TestInfo object and registers it with Google Test;
2200 // returns the created object.
2201 //
2202 // Arguments:
2203 //
2204 // test_case_name: name of the test case
2205 // name: name of the test
2206 // type_param: the name of the test's type parameter, or NULL if
2207 // this is not a typed or a type-parameterized test.
2208 // value_param: text representation of the test's value parameter,
2209 // or NULL if this is not a value-parameterized test.
2210 // fixture_class_id: ID of the test fixture class
2211 // set_up_tc: pointer to the function that sets up the test case
2212 // tear_down_tc: pointer to the function that tears down the test case
2213 // factory: pointer to the factory that creates a test object.
2214 // The newly created TestInfo instance will assume
2215 // ownership of the factory object.
2217  const char* test_case_name,
2218  const char* name,
2219  const char* type_param,
2220  const char* value_param,
2221  TypeId fixture_class_id,
2222  SetUpTestCaseFunc set_up_tc,
2223  TearDownTestCaseFunc tear_down_tc,
2224  TestFactoryBase* factory) {
2225  TestInfo* const test_info =
2226  new TestInfo(test_case_name, name, type_param, value_param,
2227  fixture_class_id, factory);
2228  GetUnitTestImpl()->AddTestInfo(set_up_tc, tear_down_tc, test_info);
2229  return test_info;
2230 }
2231 
2232 #if GTEST_HAS_PARAM_TEST
2233 void ReportInvalidTestCaseType(const char* test_case_name,
2234  const char* file, int line) {
2235  Message errors;
2236  errors
2237  << "Attempted redefinition of test case " << test_case_name << ".\n"
2238  << "All tests in the same test case must use the same test fixture\n"
2239  << "class. However, in test case " << test_case_name << ", you tried\n"
2240  << "to define a test using a fixture class different from the one\n"
2241  << "used earlier. This can happen if the two fixture classes are\n"
2242  << "from different namespaces and have the same name. You should\n"
2243  << "probably rename one of the classes to put the tests into different\n"
2244  << "test cases.";
2245 
2246  fprintf(stderr, "%s %s", FormatFileLocation(file, line).c_str(),
2247  errors.GetString().c_str());
2248 }
2249 #endif // GTEST_HAS_PARAM_TEST
2250 
2251 } // namespace internal
2252 
2253 namespace {
2254 
2255 // A predicate that checks the test name of a TestInfo against a known
2256 // value.
2257 //
2258 // This is used for implementation of the TestCase class only. We put
2259 // it in the anonymous namespace to prevent polluting the outer
2260 // namespace.
2261 //
2262 // TestNameIs is copyable.
2263 class TestNameIs {
2264  public:
2265  // Constructor.
2266  //
2267  // TestNameIs has NO default constructor.
2268  explicit TestNameIs(const char* name)
2269  : name_(name) {}
2270 
2271  // Returns true iff the test name of test_info matches name_.
2272  bool operator()(const TestInfo * test_info) const {
2273  return test_info && test_info->name() == name_;
2274  }
2275 
2276  private:
2278 };
2279 
2280 } // namespace
2281 
2282 namespace internal {
2283 
2284 // This method expands all parameterized tests registered with macros TEST_P
2285 // and INSTANTIATE_TEST_CASE_P into regular tests and registers those.
2286 // This will be done just once during the program runtime.
2288 #if GTEST_HAS_PARAM_TEST
2289  if (!parameterized_tests_registered_) {
2290  parameterized_test_registry_.RegisterTests();
2291  parameterized_tests_registered_ = true;
2292  }
2293 #endif
2294 }
2295 
2296 } // namespace internal
2297 
2298 // Creates the test object, runs it, records its result, and then
2299 // deletes it.
2300 void TestInfo::Run() {
2301  if (!should_run_) return;
2302 
2303  // Tells UnitTest where to store test result.
2304  internal::UnitTestImpl* const impl = internal::GetUnitTestImpl();
2305  impl->set_current_test_info(this);
2306 
2307  TestEventListener* repeater = UnitTest::GetInstance()->listeners().repeater();
2308 
2309  // Notifies the unit test event listeners that a test is about to start.
2310  repeater->OnTestStart(*this);
2311 
2313 
2314  impl->os_stack_trace_getter()->UponLeavingGTest();
2315 
2316  // Creates the test object.
2319  "the test fixture's constructor");
2320 
2321  // Runs the test only if the test object was created and its
2322  // constructor didn't generate a fatal failure.
2323  if ((test != NULL) && !Test::HasFatalFailure()) {
2324  // This doesn't throw as all user code that can throw are wrapped into
2325  // exception handling code.
2326  test->Run();
2327  }
2328 
2329  // Deletes the test object.
2330  impl->os_stack_trace_getter()->UponLeavingGTest();
2332  test, &Test::DeleteSelf_, "the test fixture's destructor");
2333 
2334  result_.set_elapsed_time(internal::GetTimeInMillis() - start);
2335 
2336  // Notifies the unit test event listener that a test has just finished.
2337  repeater->OnTestEnd(*this);
2338 
2339  // Tells UnitTest to stop associating assertion results to this
2340  // test.
2341  impl->set_current_test_info(NULL);
2342 }
2343 
2344 // class TestCase
2345 
2346 // Gets the number of successful tests in this test case.
2347 int TestCase::successful_test_count() const {
2348  return CountIf(test_info_list_, TestPassed);
2349 }
2350 
2351 // Gets the number of failed tests in this test case.
2352 int TestCase::failed_test_count() const {
2353  return CountIf(test_info_list_, TestFailed);
2354 }
2355 
2356 // Gets the number of disabled tests that will be reported in the XML report.
2358  return CountIf(test_info_list_, TestReportableDisabled);
2359 }
2360 
2361 // Gets the number of disabled tests in this test case.
2362 int TestCase::disabled_test_count() const {
2363  return CountIf(test_info_list_, TestDisabled);
2364 }
2365 
2366 // Gets the number of tests to be printed in the XML report.
2367 int TestCase::reportable_test_count() const {
2368  return CountIf(test_info_list_, TestReportable);
2369 }
2370 
2371 // Get the number of tests in this test case that should run.
2372 int TestCase::test_to_run_count() const {
2373  return CountIf(test_info_list_, ShouldRunTest);
2374 }
2375 
2376 // Gets the number of all tests.
2377 int TestCase::total_test_count() const {
2378  return static_cast<int>(test_info_list_.size());
2379 }
2380 
2381 // Creates a TestCase with the given name.
2382 //
2383 // Arguments:
2384 //
2385 // name: name of the test case
2386 // a_type_param: the name of the test case's type parameter, or NULL if
2387 // this is not a typed or a type-parameterized test case.
2388 // set_up_tc: pointer to the function that sets up the test case
2389 // tear_down_tc: pointer to the function that tears down the test case
2390 TestCase::TestCase(const char* a_name, const char* a_type_param,
2391  Test::SetUpTestCaseFunc set_up_tc,
2392  Test::TearDownTestCaseFunc tear_down_tc)
2393  : name_(a_name),
2394  type_param_(a_type_param ? new std::string(a_type_param) : NULL),
2395  set_up_tc_(set_up_tc),
2396  tear_down_tc_(tear_down_tc),
2397  should_run_(false),
2398  elapsed_time_(0) {
2399 }
2400 
2401 // Destructor of TestCase.
2403  // Deletes every Test in the collection.
2404  ForEach(test_info_list_, internal::Delete<TestInfo>);
2405 }
2406 
2407 // Returns the i-th test among all the tests. i can range from 0 to
2408 // total_test_count() - 1. If i is not in that range, returns NULL.
2409 const TestInfo* TestCase::GetTestInfo(int i) const {
2410  const int index = GetElementOr(test_indices_, i, -1);
2411  return index < 0 ? NULL : test_info_list_[index];
2412 }
2413 
2414 // Returns the i-th test among all the tests. i can range from 0 to
2415 // total_test_count() - 1. If i is not in that range, returns NULL.
2416 TestInfo* TestCase::GetMutableTestInfo(int i) {
2417  const int index = GetElementOr(test_indices_, i, -1);
2418  return index < 0 ? NULL : test_info_list_[index];
2419 }
2420 
2421 // Adds a test to this test case. Will delete the test upon
2422 // destruction of the TestCase object.
2423 void TestCase::AddTestInfo(TestInfo * test_info) {
2424  test_info_list_.push_back(test_info);
2425  test_indices_.push_back(static_cast<int>(test_indices_.size()));
2426 }
2427 
2428 // Runs every test in this TestCase.
2429 void TestCase::Run() {
2430  if (!should_run_) return;
2431 
2432  internal::UnitTestImpl* const impl = internal::GetUnitTestImpl();
2433  impl->set_current_test_case(this);
2434 
2435  TestEventListener* repeater = UnitTest::GetInstance()->listeners().repeater();
2436 
2437  repeater->OnTestCaseStart(*this);
2438  impl->os_stack_trace_getter()->UponLeavingGTest();
2440  this, &TestCase::RunSetUpTestCase, "SetUpTestCase()");
2441 
2443  for (int i = 0; i < total_test_count(); i++) {
2444  GetMutableTestInfo(i)->Run();
2445  }
2446  elapsed_time_ = internal::GetTimeInMillis() - start;
2447 
2448  impl->os_stack_trace_getter()->UponLeavingGTest();
2450  this, &TestCase::RunTearDownTestCase, "TearDownTestCase()");
2451 
2452  repeater->OnTestCaseEnd(*this);
2453  impl->set_current_test_case(NULL);
2454 }
2455 
2456 // Clears the results of all tests in this test case.
2457 void TestCase::ClearResult() {
2458  ad_hoc_test_result_.Clear();
2459  ForEach(test_info_list_, TestInfo::ClearTestResult);
2460 }
2461 
2462 // Shuffles the tests in this test case.
2463 void TestCase::ShuffleTests(internal::Random* random) {
2464  Shuffle(random, &test_indices_);
2465 }
2466 
2467 // Restores the test order to before the first shuffle.
2468 void TestCase::UnshuffleTests() {
2469  for (size_t i = 0; i < test_indices_.size(); i++) {
2470  test_indices_[i] = static_cast<int>(i);
2471  }
2472 }
2473 
2474 // Formats a countable noun. Depending on its quantity, either the
2475 // singular form or the plural form is used. e.g.
2476 //
2477 // FormatCountableNoun(1, "formula", "formuli") returns "1 formula".
2478 // FormatCountableNoun(5, "book", "books") returns "5 books".
2480  const char * singular_form,
2481  const char * plural_form) {
2482  return internal::StreamableToString(count) + " " +
2483  (count == 1 ? singular_form : plural_form);
2484 }
2485 
2486 // Formats the count of tests.
2487 static std::string FormatTestCount(int test_count) {
2488  return FormatCountableNoun(test_count, "test", "tests");
2489 }
2490 
2491 // Formats the count of test cases.
2492 static std::string FormatTestCaseCount(int test_case_count) {
2493  return FormatCountableNoun(test_case_count, "test case", "test cases");
2494 }
2495 
2496 // Converts a TestPartResult::Type enum to human-friendly string
2497 // representation. Both kNonFatalFailure and kFatalFailure are translated
2498 // to "Failure", as the user usually doesn't care about the difference
2499 // between the two when viewing the test result.
2501  switch (type) {
2503  return "Success";
2504 
2507 #ifdef _MSC_VER
2508  return "error: ";
2509 #else
2510  return "Failure\n";
2511 #endif
2512  default:
2513  return "Unknown result type";
2514  }
2515 }
2516 
2517 namespace internal {
2518 
2519 // Prints a TestPartResult to an std::string.
2521  const TestPartResult& test_part_result) {
2522  return (Message()
2523  << internal::FormatFileLocation(test_part_result.file_name(),
2524  test_part_result.line_number())
2525  << " " << TestPartResultTypeToString(test_part_result.type())
2526  << test_part_result.message()).GetString();
2527 }
2528 
2529 // Prints a TestPartResult.
2530 static void PrintTestPartResult(const TestPartResult& test_part_result) {
2531  const std::string& result =
2532  PrintTestPartResultToString(test_part_result);
2533  printf("%s\n", result.c_str());
2534  fflush(stdout);
2535  // If the test program runs in Visual Studio or a debugger, the
2536  // following statements add the test part result message to the Output
2537  // window such that the user can double-click on it to jump to the
2538  // corresponding source code location; otherwise they do nothing.
2539 #if GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MOBILE
2540  // We don't call OutputDebugString*() on Windows Mobile, as printing
2541  // to stdout is done by OutputDebugString() there already - we don't
2542  // want the same message printed twice.
2543  ::OutputDebugStringA(result.c_str());
2544  ::OutputDebugStringA("\n");
2545 #endif
2546 }
2547 
2548 // class PrettyUnitTestResultPrinter
2549 
2551  COLOR_DEFAULT,
2552  COLOR_RED,
2553  COLOR_GREEN,
2554  COLOR_YELLOW
2555 };
2556 
2557 #if GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MOBILE
2558 
2559 // Returns the character attribute for the given color.
2560 WORD GetColorAttribute(GTestColor color) {
2561  switch (color) {
2562  case COLOR_RED: return FOREGROUND_RED;
2563  case COLOR_GREEN: return FOREGROUND_GREEN;
2564  case COLOR_YELLOW: return FOREGROUND_RED | FOREGROUND_GREEN;
2565  default: return 0;
2566  }
2567 }
2568 
2569 #else
2570 
2571 // Returns the ANSI color code for the given color. COLOR_DEFAULT is
2572 // an invalid input.
2573 const char* GetAnsiColorCode(GTestColor color) {
2574  switch (color) {
2575  case COLOR_RED: return "1";
2576  case COLOR_GREEN: return "2";
2577  case COLOR_YELLOW: return "3";
2578  default: return NULL;
2579  };
2580 }
2581 
2582 #endif // GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MOBILE
2583 
2584 // Returns true iff Google Test should use colors in the output.
2585 bool ShouldUseColor(bool stdout_is_tty) {
2586  const char* const gtest_color = GTEST_FLAG(color).c_str();
2587 
2588  if (String::CaseInsensitiveCStringEquals(gtest_color, "auto")) {
2589 #if GTEST_OS_WINDOWS
2590  // On Windows the TERM variable is usually not set, but the
2591  // console there does support colors.
2592  return stdout_is_tty;
2593 #else
2594  // On non-Windows platforms, we rely on the TERM variable.
2595  const char* const term = posix::GetEnv("TERM");
2596  const bool term_supports_color =
2597  String::CStringEquals(term, "xterm") ||
2598  String::CStringEquals(term, "xterm-color") ||
2599  String::CStringEquals(term, "xterm-256color") ||
2600  String::CStringEquals(term, "screen") ||
2601  String::CStringEquals(term, "screen-256color") ||
2602  String::CStringEquals(term, "linux") ||
2603  String::CStringEquals(term, "cygwin");
2604  return stdout_is_tty && term_supports_color;
2605 #endif // GTEST_OS_WINDOWS
2606  }
2607 
2608  return String::CaseInsensitiveCStringEquals(gtest_color, "yes") ||
2609  String::CaseInsensitiveCStringEquals(gtest_color, "true") ||
2610  String::CaseInsensitiveCStringEquals(gtest_color, "t") ||
2611  String::CStringEquals(gtest_color, "1");
2612  // We take "yes", "true", "t", and "1" as meaning "yes". If the
2613  // value is neither one of these nor "auto", we treat it as "no" to
2614  // be conservative.
2615 }
2616 
2617 // Helpers for printing colored strings to stdout. Note that on Windows, we
2618 // cannot simply emit special characters and have the terminal change colors.
2619 // This routine must actually emit the characters rather than return a string
2620 // that would be colored when printed, as can be done on Linux.
2621 void ColoredPrintf(GTestColor color, const char* fmt, ...) {
2622  va_list args;
2623  va_start(args, fmt);
2624 
2625 #if GTEST_OS_WINDOWS_MOBILE || GTEST_OS_SYMBIAN || GTEST_OS_ZOS || GTEST_OS_IOS
2626  const bool use_color = false;
2627 #else
2628  static const bool in_color_mode =
2630  const bool use_color = in_color_mode && (color != COLOR_DEFAULT);
2631 #endif // GTEST_OS_WINDOWS_MOBILE || GTEST_OS_SYMBIAN || GTEST_OS_ZOS
2632  // The '!= 0' comparison is necessary to satisfy MSVC 7.1.
2633 
2634  if (!use_color) {
2635  vprintf(fmt, args);
2636  va_end(args);
2637  return;
2638  }
2639 
2640 #if GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MOBILE
2641  const HANDLE stdout_handle = GetStdHandle(STD_OUTPUT_HANDLE);
2642 
2643  // Gets the current text color.
2644  CONSOLE_SCREEN_BUFFER_INFO buffer_info;
2645  GetConsoleScreenBufferInfo(stdout_handle, &buffer_info);
2646  const WORD old_color_attrs = buffer_info.wAttributes;
2647 
2648  // We need to flush the stream buffers into the console before each
2649  // SetConsoleTextAttribute call lest it affect the text that is already
2650  // printed but has not yet reached the console.
2651  fflush(stdout);
2652  SetConsoleTextAttribute(stdout_handle,
2653  GetColorAttribute(color) | FOREGROUND_INTENSITY);
2654  vprintf(fmt, args);
2655 
2656  fflush(stdout);
2657  // Restores the text color.
2658  SetConsoleTextAttribute(stdout_handle, old_color_attrs);
2659 #else
2660  printf("\033[0;3%sm", GetAnsiColorCode(color));
2661  vprintf(fmt, args);
2662  printf("\033[m"); // Resets the terminal to default.
2663 #endif // GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MOBILE
2664  va_end(args);
2665 }
2666 
2667 // Text printed in Google Test's text output and --gunit_list_tests
2668 // output to label the type parameter and value parameter for a test.
2669 static const char kTypeParamLabel[] = "TypeParam";
2670 static const char kValueParamLabel[] = "GetParam()";
2671 
2672 void PrintFullTestCommentIfPresent(const TestInfo& test_info) {
2673  const char* const type_param = test_info.type_param();
2674  const char* const value_param = test_info.value_param();
2675 
2676  if (type_param != NULL || value_param != NULL) {
2677  printf(", where ");
2678  if (type_param != NULL) {
2679  printf("%s = %s", kTypeParamLabel, type_param);
2680  if (value_param != NULL)
2681  printf(" and ");
2682  }
2683  if (value_param != NULL) {
2684  printf("%s = %s", kValueParamLabel, value_param);
2685  }
2686  }
2687 }
2688 
2689 // This class implements the TestEventListener interface.
2690 //
2691 // Class PrettyUnitTestResultPrinter is copyable.
2693  public:
2695  static void PrintTestName(const char * test_case, const char * test) {
2696  printf("%s.%s", test_case, test);
2697  }
2698 
2699  // The following methods override what's in the TestEventListener class.
2700  virtual void OnTestProgramStart(const UnitTest& /*unit_test*/) {}
2701  virtual void OnTestIterationStart(const UnitTest& unit_test, int iteration);
2702  virtual void OnEnvironmentsSetUpStart(const UnitTest& unit_test);
2703  virtual void OnEnvironmentsSetUpEnd(const UnitTest& /*unit_test*/) {}
2704  virtual void OnTestCaseStart(const TestCase& test_case);
2705  virtual void OnTestStart(const TestInfo& test_info);
2706  virtual void OnTestPartResult(const TestPartResult& result);
2707  virtual void OnTestEnd(const TestInfo& test_info);
2708  virtual void OnTestCaseEnd(const TestCase& test_case);
2709  virtual void OnEnvironmentsTearDownStart(const UnitTest& unit_test);
2710  virtual void OnEnvironmentsTearDownEnd(const UnitTest& /*unit_test*/) {}
2711  virtual void OnTestIterationEnd(const UnitTest& unit_test, int iteration);
2712  virtual void OnTestProgramEnd(const UnitTest& /*unit_test*/) {}
2713 
2714  private:
2715  static void PrintFailedTests(const UnitTest& unit_test);
2716 };
2717 
2718  // Fired before each iteration of tests starts.
2720  const UnitTest& unit_test, int iteration) {
2721  if (GTEST_FLAG(repeat) != 1)
2722  printf("\nRepeating all tests (iteration %d) . . .\n\n", iteration + 1);
2723 
2724  const char* const filter = GTEST_FLAG(filter).c_str();
2725 
2726  // Prints the filter if it's not *. This reminds the user that some
2727  // tests may be skipped.
2728  if (!String::CStringEquals(filter, kUniversalFilter)) {
2729  ColoredPrintf(COLOR_YELLOW,
2730  "Note: %s filter = %s\n", GTEST_NAME_, filter);
2731  }
2732 
2733  if (internal::ShouldShard(kTestTotalShards, kTestShardIndex, false)) {
2734  const Int32 shard_index = Int32FromEnvOrDie(kTestShardIndex, -1);
2735  ColoredPrintf(COLOR_YELLOW,
2736  "Note: This is test shard %d of %s.\n",
2737  static_cast<int>(shard_index) + 1,
2738  internal::posix::GetEnv(kTestTotalShards));
2739  }
2740 
2741  if (GTEST_FLAG(shuffle)) {
2742  ColoredPrintf(COLOR_YELLOW,
2743  "Note: Randomizing tests' orders with a seed of %d .\n",
2744  unit_test.random_seed());
2745  }
2746 
2747  ColoredPrintf(COLOR_GREEN, "[==========] ");
2748  printf("Running %s from %s.\n",
2749  FormatTestCount(unit_test.test_to_run_count()).c_str(),
2750  FormatTestCaseCount(unit_test.test_case_to_run_count()).c_str());
2751  fflush(stdout);
2752 }
2753 
2755  const UnitTest& /*unit_test*/) {
2756  ColoredPrintf(COLOR_GREEN, "[----------] ");
2757  printf("Global test environment set-up.\n");
2758  fflush(stdout);
2759 }
2760 
2762  const std::string counts =
2763  FormatCountableNoun(test_case.test_to_run_count(), "test", "tests");
2764  ColoredPrintf(COLOR_GREEN, "[----------] ");
2765  printf("%s from %s", counts.c_str(), test_case.name());
2766  if (test_case.type_param() == NULL) {
2767  printf("\n");
2768  } else {
2769  printf(", where %s = %s\n", kTypeParamLabel, test_case.type_param());
2770  }
2771  fflush(stdout);
2772 }
2773 
2774 void PrettyUnitTestResultPrinter::OnTestStart(const TestInfo& test_info) {
2775  ColoredPrintf(COLOR_GREEN, "[ RUN ] ");
2776  PrintTestName(test_info.test_case_name(), test_info.name());
2777  printf("\n");
2778  fflush(stdout);
2779 }
2780 
2781 // Called after an assertion failure.
2783  const TestPartResult& result) {
2784  // If the test part succeeded, we don't need to do anything.
2785  if (result.type() == TestPartResult::kSuccess)
2786  return;
2787 
2788  // Print failure message from the assertion (e.g. expected this and got that).
2789  PrintTestPartResult(result);
2790  fflush(stdout);
2791 }
2792 
2793 void PrettyUnitTestResultPrinter::OnTestEnd(const TestInfo& test_info) {
2794  if (test_info.result()->Passed()) {
2795  ColoredPrintf(COLOR_GREEN, "[ OK ] ");
2796  } else {
2797  ColoredPrintf(COLOR_RED, "[ FAILED ] ");
2798  }
2799  PrintTestName(test_info.test_case_name(), test_info.name());
2800  if (test_info.result()->Failed())
2801  PrintFullTestCommentIfPresent(test_info);
2802 
2803  if (GTEST_FLAG(print_time)) {
2804  printf(" (%s ms)\n", internal::StreamableToString(
2805  test_info.result()->elapsed_time()).c_str());
2806  } else {
2807  printf("\n");
2808  }
2809  fflush(stdout);
2810 }
2811 
2813  if (!GTEST_FLAG(print_time)) return;
2814 
2815  const std::string counts =
2816  FormatCountableNoun(test_case.test_to_run_count(), "test", "tests");
2817  ColoredPrintf(COLOR_GREEN, "[----------] ");
2818  printf("%s from %s (%s ms total)\n\n",
2819  counts.c_str(), test_case.name(),
2820  internal::StreamableToString(test_case.elapsed_time()).c_str());
2821  fflush(stdout);
2822 }
2823 
2825  const UnitTest& /*unit_test*/) {
2826  ColoredPrintf(COLOR_GREEN, "[----------] ");
2827  printf("Global test environment tear-down\n");
2828  fflush(stdout);
2829 }
2830 
2831 // Internal helper for printing the list of failed tests.
2833  const int failed_test_count = unit_test.failed_test_count();
2834  if (failed_test_count == 0) {
2835  return;
2836  }
2837 
2838  for (int i = 0; i < unit_test.total_test_case_count(); ++i) {
2839  const TestCase& test_case = *unit_test.GetTestCase(i);
2840  if (!test_case.should_run() || (test_case.failed_test_count() == 0)) {
2841  continue;
2842  }
2843  for (int j = 0; j < test_case.total_test_count(); ++j) {
2844  const TestInfo& test_info = *test_case.GetTestInfo(j);
2845  if (!test_info.should_run() || test_info.result()->Passed()) {
2846  continue;
2847  }
2848  ColoredPrintf(COLOR_RED, "[ FAILED ] ");
2849  printf("%s.%s", test_case.name(), test_info.name());
2850  PrintFullTestCommentIfPresent(test_info);
2851  printf("\n");
2852  }
2853  }
2854 }
2855 
2857  int /*iteration*/) {
2858  ColoredPrintf(COLOR_GREEN, "[==========] ");
2859  printf("%s from %s ran.",
2860  FormatTestCount(unit_test.test_to_run_count()).c_str(),
2861  FormatTestCaseCount(unit_test.test_case_to_run_count()).c_str());
2862  if (GTEST_FLAG(print_time)) {
2863  printf(" (%s ms total)",
2864  internal::StreamableToString(unit_test.elapsed_time()).c_str());
2865  }
2866  printf("\n");
2867  ColoredPrintf(COLOR_GREEN, "[ PASSED ] ");
2868  printf("%s.\n", FormatTestCount(unit_test.successful_test_count()).c_str());
2869 
2870  int num_failures = unit_test.failed_test_count();
2871  if (!unit_test.Passed()) {
2872  const int failed_test_count = unit_test.failed_test_count();
2873  ColoredPrintf(COLOR_RED, "[ FAILED ] ");
2874  printf("%s, listed below:\n", FormatTestCount(failed_test_count).c_str());
2875  PrintFailedTests(unit_test);
2876  printf("\n%2d FAILED %s\n", num_failures,
2877  num_failures == 1 ? "TEST" : "TESTS");
2878  }
2879 
2880  int num_disabled = unit_test.reportable_disabled_test_count();
2881  if (num_disabled && !GTEST_FLAG(also_run_disabled_tests)) {
2882  if (!num_failures) {
2883  printf("\n"); // Add a spacer if no FAILURE banner is displayed.
2884  }
2885  ColoredPrintf(COLOR_YELLOW,
2886  " YOU HAVE %d DISABLED %s\n\n",
2887  num_disabled,
2888  num_disabled == 1 ? "TEST" : "TESTS");
2889  }
2890  // Ensure that Google Test output is printed before, e.g., heapchecker output.
2891  fflush(stdout);
2892 }
2893 
2894 // End PrettyUnitTestResultPrinter
2895 
2896 // class TestEventRepeater
2897 //
2898 // This class forwards events to other event listeners.
2899 class TestEventRepeater : public TestEventListener {
2900  public:
2901  TestEventRepeater() : forwarding_enabled_(true) {}
2902  virtual ~TestEventRepeater();
2903  void Append(TestEventListener *listener);
2904  TestEventListener* Release(TestEventListener* listener);
2905 
2906  // Controls whether events will be forwarded to listeners_. Set to false
2907  // in death test child processes.
2908  bool forwarding_enabled() const { return forwarding_enabled_; }
2909  void set_forwarding_enabled(bool enable) { forwarding_enabled_ = enable; }
2910 
2911  virtual void OnTestProgramStart(const UnitTest& unit_test);
2912  virtual void OnTestIterationStart(const UnitTest& unit_test, int iteration);
2913  virtual void OnEnvironmentsSetUpStart(const UnitTest& unit_test);
2914  virtual void OnEnvironmentsSetUpEnd(const UnitTest& unit_test);
2915  virtual void OnTestCaseStart(const TestCase& test_case);
2916  virtual void OnTestStart(const TestInfo& test_info);
2917  virtual void OnTestPartResult(const TestPartResult& result);
2918  virtual void OnTestEnd(const TestInfo& test_info);
2919  virtual void OnTestCaseEnd(const TestCase& test_case);
2920  virtual void OnEnvironmentsTearDownStart(const UnitTest& unit_test);
2921  virtual void OnEnvironmentsTearDownEnd(const UnitTest& unit_test);
2922  virtual void OnTestIterationEnd(const UnitTest& unit_test, int iteration);
2923  virtual void OnTestProgramEnd(const UnitTest& unit_test);
2924 
2925  private:
2926  // Controls whether events will be forwarded to listeners_. Set to false
2927  // in death test child processes.
2928  bool forwarding_enabled_;
2929  // The list of listeners that receive events.
2930  std::vector<TestEventListener*> listeners_;
2931 
2933 };
2934 
2936  ForEach(listeners_, Delete<TestEventListener>);
2937 }
2938 
2940  listeners_.push_back(listener);
2941 }
2942 
2943 // TODO(vladl@google.com): Factor the search functionality into Vector::Find.
2945  for (size_t i = 0; i < listeners_.size(); ++i) {
2946  if (listeners_[i] == listener) {
2947  listeners_.erase(listeners_.begin() + i);
2948  return listener;
2949  }
2950  }
2951 
2952  return NULL;
2953 }
2954 
2955 // Since most methods are very similar, use macros to reduce boilerplate.
2956 // This defines a member that forwards the call to all listeners.
2957 #define GTEST_REPEATER_METHOD_(Name, Type) \
2958 void TestEventRepeater::Name(const Type& parameter) { \
2959  if (forwarding_enabled_) { \
2960  for (size_t i = 0; i < listeners_.size(); i++) { \
2961  listeners_[i]->Name(parameter); \
2962  } \
2963  } \
2964 }
2965 // This defines a member that forwards the call to all listeners in reverse
2966 // order.
2967 #define GTEST_REVERSE_REPEATER_METHOD_(Name, Type) \
2968 void TestEventRepeater::Name(const Type& parameter) { \
2969  if (forwarding_enabled_) { \
2970  for (int i = static_cast<int>(listeners_.size()) - 1; i >= 0; i--) { \
2971  listeners_[i]->Name(parameter); \
2972  } \
2973  } \
2974 }
2975 
2976 GTEST_REPEATER_METHOD_(OnTestProgramStart, UnitTest)
2977 GTEST_REPEATER_METHOD_(OnEnvironmentsSetUpStart, UnitTest)
2978 GTEST_REPEATER_METHOD_(OnTestCaseStart, TestCase)
2979 GTEST_REPEATER_METHOD_(OnTestStart, TestInfo)
2980 GTEST_REPEATER_METHOD_(OnTestPartResult, TestPartResult)
2981 GTEST_REPEATER_METHOD_(OnEnvironmentsTearDownStart, UnitTest)
2982 GTEST_REVERSE_REPEATER_METHOD_(OnEnvironmentsSetUpEnd, UnitTest)
2983 GTEST_REVERSE_REPEATER_METHOD_(OnEnvironmentsTearDownEnd, UnitTest)
2984 GTEST_REVERSE_REPEATER_METHOD_(OnTestEnd, TestInfo)
2986 GTEST_REVERSE_REPEATER_METHOD_(OnTestProgramEnd, UnitTest)
2987 
2988 #undef GTEST_REPEATER_METHOD_
2989 #undef GTEST_REVERSE_REPEATER_METHOD_
2990 
2991 void TestEventRepeater::OnTestIterationStart(const UnitTest& unit_test,
2992  int iteration) {
2993  if (forwarding_enabled_) {
2994  for (size_t i = 0; i < listeners_.size(); i++) {
2995  listeners_[i]->OnTestIterationStart(unit_test, iteration);
2996  }
2997  }
2998 }
2999 
3000 void TestEventRepeater::OnTestIterationEnd(const UnitTest& unit_test,
3001  int iteration) {
3002  if (forwarding_enabled_) {
3003  for (int i = static_cast<int>(listeners_.size()) - 1; i >= 0; i--) {
3004  listeners_[i]->OnTestIterationEnd(unit_test, iteration);
3005  }
3006  }
3007 }
3008 
3009 // End TestEventRepeater
3010 
3011 // This class generates an XML output file.
3012 class XmlUnitTestResultPrinter : public EmptyTestEventListener {
3013  public:
3014  explicit XmlUnitTestResultPrinter(const char* output_file);
3015 
3016  virtual void OnTestIterationEnd(const UnitTest& unit_test, int iteration);
3017 
3018  private:
3019  // Is c a whitespace character that is normalized to a space character
3020  // when it appears in an XML attribute value?
3021  static bool IsNormalizableWhitespace(char c) {
3022  return c == 0x9 || c == 0xA || c == 0xD;
3023  }
3024 
3025  // May c appear in a well-formed XML document?
3026  static bool IsValidXmlCharacter(char c) {
3027  return IsNormalizableWhitespace(c) || c >= 0x20;
3028  }
3029 
3030  // Returns an XML-escaped copy of the input string str. If
3031  // is_attribute is true, the text is meant to appear as an attribute
3032  // value, and normalizable whitespace is preserved by replacing it
3033  // with character references.
3034  static std::string EscapeXml(const std::string& str, bool is_attribute);
3035 
3036  // Returns the given string with all characters invalid in XML removed.
3037  static std::string RemoveInvalidXmlCharacters(const std::string& str);
3038 
3039  // Convenience wrapper around EscapeXml when str is an attribute value.
3041  return EscapeXml(str, true);
3042  }
3043 
3044  // Convenience wrapper around EscapeXml when str is not an attribute value.
3045  static std::string EscapeXmlText(const char* str) {
3046  return EscapeXml(str, false);
3047  }
3048 
3049  // Verifies that the given attribute belongs to the given element and
3050  // streams the attribute as XML.
3051  static void OutputXmlAttribute(std::ostream* stream,
3052  const std::string& element_name,
3053  const std::string& name,
3054  const std::string& value);
3055 
3056  // Streams an XML CDATA section, escaping invalid CDATA sequences as needed.
3057  static void OutputXmlCDataSection(::std::ostream* stream, const char* data);
3058 
3059  // Streams an XML representation of a TestInfo object.
3060  static void OutputXmlTestInfo(::std::ostream* stream,
3061  const char* test_case_name,
3062  const TestInfo& test_info);
3063 
3064  // Prints an XML representation of a TestCase object
3065  static void PrintXmlTestCase(::std::ostream* stream,
3066  const TestCase& test_case);
3067 
3068  // Prints an XML summary of unit_test to output stream out.
3069  static void PrintXmlUnitTest(::std::ostream* stream,
3070  const UnitTest& unit_test);
3071 
3072  // Produces a string representing the test properties in a result as space
3073  // delimited XML attributes based on the property key="value" pairs.
3074  // When the std::string is not empty, it includes a space at the beginning,
3075  // to delimit this attribute from prior attributes.
3076  static std::string TestPropertiesAsXmlAttributes(const TestResult& result);
3077 
3078  // The output file.
3079  const std::string output_file_;
3080 
3082 };
3083 
3084 // Creates a new XmlUnitTestResultPrinter.
3086  : output_file_(output_file) {
3087  if (output_file_.c_str() == NULL || output_file_.empty()) {
3088  fprintf(stderr, "XML output file may not be null\n");
3089  fflush(stderr);
3090  exit(EXIT_FAILURE);
3091  }
3092 }
3093 
3094 // Called after the unit test ends.
3096  int /*iteration*/) {
3097  FILE* xmlout = NULL;
3098  FilePath output_file(output_file_);
3099  FilePath output_dir(output_file.RemoveFileName());
3100 
3101  if (output_dir.CreateDirectoriesRecursively()) {
3102  xmlout = posix::FOpen(output_file_.c_str(), "w");
3103  }
3104  if (xmlout == NULL) {
3105  // TODO(wan): report the reason of the failure.
3106  //
3107  // We don't do it for now as:
3108  //
3109  // 1. There is no urgent need for it.
3110  // 2. It's a bit involved to make the errno variable thread-safe on
3111  // all three operating systems (Linux, Windows, and Mac OS).
3112  // 3. To interpret the meaning of errno in a thread-safe way,
3113  // we need the strerror_r() function, which is not available on
3114  // Windows.
3115  fprintf(stderr,
3116  "Unable to open file \"%s\"\n",
3117  output_file_.c_str());
3118  fflush(stderr);
3119  exit(EXIT_FAILURE);
3120  }
3121  std::stringstream stream;
3122  PrintXmlUnitTest(&stream, unit_test);
3123  fprintf(xmlout, "%s", StringStreamToString(&stream).c_str());
3124  fclose(xmlout);
3125 }
3126 
3127 // Returns an XML-escaped copy of the input string str. If is_attribute
3128 // is true, the text is meant to appear as an attribute value, and
3129 // normalizable whitespace is preserved by replacing it with character
3130 // references.
3131 //
3132 // Invalid XML characters in str, if any, are stripped from the output.
3133 // It is expected that most, if not all, of the text processed by this
3134 // module will consist of ordinary English text.
3135 // If this module is ever modified to produce version 1.1 XML output,
3136 // most invalid characters can be retained using character references.
3137 // TODO(wan): It might be nice to have a minimally invasive, human-readable
3138 // escaping scheme for invalid characters, rather than dropping them.
3140  const std::string& str, bool is_attribute) {
3141  Message m;
3142 
3143  for (size_t i = 0; i < str.size(); ++i) {
3144  const char ch = str[i];
3145  switch (ch) {
3146  case '<':
3147  m << "&lt;";
3148  break;
3149  case '>':
3150  m << "&gt;";
3151  break;
3152  case '&':
3153  m << "&amp;";
3154  break;
3155  case '\'':
3156  if (is_attribute)
3157  m << "&apos;";
3158  else
3159  m << '\'';
3160  break;
3161  case '"':
3162  if (is_attribute)
3163  m << "&quot;";
3164  else
3165  m << '"';
3166  break;
3167  default:
3168  if (IsValidXmlCharacter(ch)) {
3169  if (is_attribute && IsNormalizableWhitespace(ch))
3170  m << "&#x" << String::FormatByte(static_cast<unsigned char>(ch))
3171  << ";";
3172  else
3173  m << ch;
3174  }
3175  break;
3176  }
3177  }
3178 
3179  return m.GetString();
3180 }
3181 
3182 // Returns the given string with all characters invalid in XML removed.
3183 // Currently invalid characters are dropped from the string. An
3184 // alternative is to replace them with certain characters such as . or ?.
3186  const std::string& str) {
3188  output.reserve(str.size());
3189  for (std::string::const_iterator it = str.begin(); it != str.end(); ++it)
3190  if (IsValidXmlCharacter(*it))
3191  output.push_back(*it);
3192 
3193  return output;
3194 }
3195 
3196 // The following routines generate an XML representation of a UnitTest
3197 // object.
3198 //
3199 // This is how Google Test concepts map to the DTD:
3200 //
3201 // <testsuites name="AllTests"> <-- corresponds to a UnitTest object
3202 // <testsuite name="testcase-name"> <-- corresponds to a TestCase object
3203 // <testcase name="test-name"> <-- corresponds to a TestInfo object
3204 // <failure message="...">...</failure>
3205 // <failure message="...">...</failure>
3206 // <failure message="...">...</failure>
3207 // <-- individual assertion failures
3208 // </testcase>
3209 // </testsuite>
3210 // </testsuites>
3211 
3212 // Formats the given time in milliseconds as seconds.
3214  ::std::stringstream ss;
3215  ss << ms/1000.0;
3216  return ss.str();
3217 }
3218 
3219 // Converts the given epoch time in milliseconds to a date string in the ISO
3220 // 8601 format, without the timezone information.
3222  // Using non-reentrant version as localtime_r is not portable.
3223  time_t seconds = static_cast<time_t>(ms / 1000);
3224 #ifdef _MSC_VER
3225 # pragma warning(push) // Saves the current warning state.
3226 # pragma warning(disable:4996) // Temporarily disables warning 4996
3227  // (function or variable may be unsafe).
3228  const struct tm* const time_struct = localtime(&seconds); // NOLINT
3229 # pragma warning(pop) // Restores the warning state again.
3230 #else
3231  const struct tm* const time_struct = localtime(&seconds); // NOLINT
3232 #endif
3233  if (time_struct == NULL)
3234  return ""; // Invalid ms value
3235 
3236  // YYYY-MM-DDThh:mm:ss
3237  return StreamableToString(time_struct->tm_year + 1900) + "-" +
3238  String::FormatIntWidth2(time_struct->tm_mon + 1) + "-" +
3239  String::FormatIntWidth2(time_struct->tm_mday) + "T" +
3240  String::FormatIntWidth2(time_struct->tm_hour) + ":" +
3241  String::FormatIntWidth2(time_struct->tm_min) + ":" +
3242  String::FormatIntWidth2(time_struct->tm_sec);
3243 }
3244 
3245 // Streams an XML CDATA section, escaping invalid CDATA sequences as needed.
3246 void XmlUnitTestResultPrinter::OutputXmlCDataSection(::std::ostream* stream,
3247  const char* data) {
3248  const char* segment = data;
3249  *stream << "<![CDATA[";
3250  for (;;) {
3251  const char* const next_segment = strstr(segment, "]]>");
3252  if (next_segment != NULL) {
3253  stream->write(
3254  segment, static_cast<std::streamsize>(next_segment - segment));
3255  *stream << "]]>]]&gt;<![CDATA[";
3256  segment = next_segment + strlen("]]>");
3257  } else {
3258  *stream << segment;
3259  break;
3260  }
3261  }
3262  *stream << "]]>";
3263 }
3264 
3266  std::ostream* stream,
3267  const std::string& element_name,
3268  const std::string& name,
3269  const std::string& value) {
3270  const std::vector<std::string>& allowed_names =
3271  GetReservedAttributesForElement(element_name);
3272 
3273  GTEST_CHECK_(std::find(allowed_names.begin(), allowed_names.end(), name) !=
3274  allowed_names.end())
3275  << "Attribute " << name << " is not allowed for element <" << element_name
3276  << ">.";
3277 
3278  *stream << " " << name << "=\"" << EscapeXmlAttribute(value) << "\"";
3279 }
3280 
3281 // Prints an XML representation of a TestInfo object.
3282 // TODO(wan): There is also value in printing properties with the plain printer.
3283 void XmlUnitTestResultPrinter::OutputXmlTestInfo(::std::ostream* stream,
3284  const char* test_case_name,
3285  const TestInfo& test_info) {
3286  const TestResult& result = *test_info.result();
3287  const std::string kTestcase = "testcase";
3288 
3289  *stream << " <testcase";
3290  OutputXmlAttribute(stream, kTestcase, "name", test_info.name());
3291 
3292  if (test_info.value_param() != NULL) {
3293  OutputXmlAttribute(stream, kTestcase, "value_param",
3294  test_info.value_param());
3295  }
3296  if (test_info.type_param() != NULL) {
3297  OutputXmlAttribute(stream, kTestcase, "type_param", test_info.type_param());
3298  }
3299 
3300  OutputXmlAttribute(stream, kTestcase, "status",
3301  test_info.should_run() ? "run" : "notrun");
3302  OutputXmlAttribute(stream, kTestcase, "time",
3304  OutputXmlAttribute(stream, kTestcase, "classname", test_case_name);
3305  *stream << TestPropertiesAsXmlAttributes(result);
3306 
3307  int failures = 0;
3308  for (int i = 0; i < result.total_part_count(); ++i) {
3309  const TestPartResult& part = result.GetTestPartResult(i);
3310  if (part.failed()) {
3311  if (++failures == 1) {
3312  *stream << ">\n";
3313  }
3314  const string location = internal::FormatCompilerIndependentFileLocation(
3315  part.file_name(), part.line_number());
3316  const string summary = location + "\n" + part.summary();
3317  *stream << " <failure message=\""
3318  << EscapeXmlAttribute(summary.c_str())
3319  << "\" type=\"\">";
3320  const string detail = location + "\n" + part.message();
3321  OutputXmlCDataSection(stream, RemoveInvalidXmlCharacters(detail).c_str());
3322  *stream << "</failure>\n";
3323  }
3324  }
3325 
3326  if (failures == 0)
3327  *stream << " />\n";
3328  else
3329  *stream << " </testcase>\n";
3330 }
3331 
3332 // Prints an XML representation of a TestCase object
3333 void XmlUnitTestResultPrinter::PrintXmlTestCase(std::ostream* stream,
3334  const TestCase& test_case) {
3335  const std::string kTestsuite = "testsuite";
3336  *stream << " <" << kTestsuite;
3337  OutputXmlAttribute(stream, kTestsuite, "name", test_case.name());
3338  OutputXmlAttribute(stream, kTestsuite, "tests",
3340  OutputXmlAttribute(stream, kTestsuite, "failures",
3341  StreamableToString(test_case.failed_test_count()));
3342  OutputXmlAttribute(
3343  stream, kTestsuite, "disabled",
3345  OutputXmlAttribute(stream, kTestsuite, "errors", "0");
3346  OutputXmlAttribute(stream, kTestsuite, "time",
3348  *stream << TestPropertiesAsXmlAttributes(test_case.ad_hoc_test_result())
3349  << ">\n";
3350 
3351  for (int i = 0; i < test_case.total_test_count(); ++i) {
3352  if (test_case.GetTestInfo(i)->is_reportable())
3353  OutputXmlTestInfo(stream, test_case.name(), *test_case.GetTestInfo(i));
3354  }
3355  *stream << " </" << kTestsuite << ">\n";
3356 }
3357 
3358 // Prints an XML summary of unit_test to output stream out.
3359 void XmlUnitTestResultPrinter::PrintXmlUnitTest(std::ostream* stream,
3360  const UnitTest& unit_test) {
3361  const std::string kTestsuites = "testsuites";
3362 
3363  *stream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
3364  *stream << "<" << kTestsuites;
3365 
3366  OutputXmlAttribute(stream, kTestsuites, "tests",
3368  OutputXmlAttribute(stream, kTestsuites, "failures",
3369  StreamableToString(unit_test.failed_test_count()));
3370  OutputXmlAttribute(
3371  stream, kTestsuites, "disabled",
3373  OutputXmlAttribute(stream, kTestsuites, "errors", "0");
3374  OutputXmlAttribute(
3375  stream, kTestsuites, "timestamp",
3377  OutputXmlAttribute(stream, kTestsuites, "time",
3379 
3380  if (GTEST_FLAG(shuffle)) {
3381  OutputXmlAttribute(stream, kTestsuites, "random_seed",
3382  StreamableToString(unit_test.random_seed()));
3383  }
3384 
3385  *stream << TestPropertiesAsXmlAttributes(unit_test.ad_hoc_test_result());
3386 
3387  OutputXmlAttribute(stream, kTestsuites, "name", "AllTests");
3388  *stream << ">\n";
3389 
3390  for (int i = 0; i < unit_test.total_test_case_count(); ++i) {
3391  if (unit_test.GetTestCase(i)->reportable_test_count() > 0)
3392  PrintXmlTestCase(stream, *unit_test.GetTestCase(i));
3393  }
3394  *stream << "</" << kTestsuites << ">\n";
3395 }
3396 
3397 // Produces a string representing the test properties in a result as space
3398 // delimited XML attributes based on the property key="value" pairs.
3400  const TestResult& result) {
3401  Message attributes;
3402  for (int i = 0; i < result.test_property_count(); ++i) {
3403  const TestProperty& property = result.GetTestProperty(i);
3404  attributes << " " << property.key() << "="
3405  << "\"" << EscapeXmlAttribute(property.value()) << "\"";
3406  }
3407  return attributes.GetString();
3408 }
3409 
3410 // End XmlUnitTestResultPrinter
3411 
3412 #if GTEST_CAN_STREAM_RESULTS_
3413 
3414 // Checks if str contains '=', '&', '%' or '\n' characters. If yes,
3415 // replaces them by "%xx" where xx is their hexadecimal value. For
3416 // example, replaces "=" with "%3D". This algorithm is O(strlen(str))
3417 // in both time and space -- important as the input str may contain an
3418 // arbitrarily long test failure message and stack trace.
3419 string StreamingListener::UrlEncode(const char* str) {
3420  string result;
3421  result.reserve(strlen(str) + 1);
3422  for (char ch = *str; ch != '\0'; ch = *++str) {
3423  switch (ch) {
3424  case '%':
3425  case '=':
3426  case '&':
3427  case '\n':
3428  result.append("%" + String::FormatByte(static_cast<unsigned char>(ch)));
3429  break;
3430  default:
3431  result.push_back(ch);
3432  break;
3433  }
3434  }
3435  return result;
3436 }
3437 
3438 void StreamingListener::SocketWriter::MakeConnection() {
3439  GTEST_CHECK_(sockfd_ == -1)
3440  << "MakeConnection() can't be called when there is already a connection.";
3441 
3442  addrinfo hints;
3443  memset(&hints, 0, sizeof(hints));
3444  hints.ai_family = AF_UNSPEC; // To allow both IPv4 and IPv6 addresses.
3445  hints.ai_socktype = SOCK_STREAM;
3446  addrinfo* servinfo = NULL;
3447 
3448  // Use the getaddrinfo() to get a linked list of IP addresses for
3449  // the given host name.
3450  const int error_num = getaddrinfo(
3451  host_name_.c_str(), port_num_.c_str(), &hints, &servinfo);
3452  if (error_num != 0) {
3453  GTEST_LOG_(WARNING) << "stream_result_to: getaddrinfo() failed: "
3454  << gai_strerror(error_num);
3455  }
3456 
3457  // Loop through all the results and connect to the first we can.
3458  for (addrinfo* cur_addr = servinfo; sockfd_ == -1 && cur_addr != NULL;
3459  cur_addr = cur_addr->ai_next) {
3460  sockfd_ = socket(
3461  cur_addr->ai_family, cur_addr->ai_socktype, cur_addr->ai_protocol);
3462  if (sockfd_ != -1) {
3463  // Connect the client socket to the server socket.
3464  if (connect(sockfd_, cur_addr->ai_addr, cur_addr->ai_addrlen) == -1) {
3465  close(sockfd_);
3466  sockfd_ = -1;
3467  }
3468  }
3469  }
3470 
3471  freeaddrinfo(servinfo); // all done with this structure
3472 
3473  if (sockfd_ == -1) {
3474  GTEST_LOG_(WARNING) << "stream_result_to: failed to connect to "
3475  << host_name_ << ":" << port_num_;
3476  }
3477 }
3478 
3479 // End of class Streaming Listener
3480 #endif // GTEST_CAN_STREAM_RESULTS__
3481 
3482 // Class ScopedTrace
3483 
3484 // Pushes the given source file location and message onto a per-thread
3485 // trace stack maintained by Google Test.
3486 ScopedTrace::ScopedTrace(const char* file, int line, const Message& message)
3488  TraceInfo trace;
3489  trace.file = file;
3490  trace.line = line;
3491  trace.message = message.GetString();
3492 
3494 }
3495 
3496 // Pops the info pushed by the c'tor.
3500 }
3501 
3502 
3503 // class OsStackTraceGetter
3504 
3505 // Returns the current OS stack trace as an std::string. Parameters:
3506 //
3507 // max_depth - the maximum number of stack frames to be included
3508 // in the trace.
3509 // skip_count - the number of top frames to be skipped; doesn't count
3510 // against max_depth.
3511 //
3512 string OsStackTraceGetter::CurrentStackTrace(int /* max_depth */,
3513  int /* skip_count */)
3514  GTEST_LOCK_EXCLUDED_(mutex_) {
3515  return "";
3516 }
3517 
3519  GTEST_LOCK_EXCLUDED_(mutex_) {
3520 }
3521 
3522 const char* const
3524  "... " GTEST_NAME_ " internal frames ...";
3525 
3526 // A helper class that creates the premature-exit file in its
3527 // constructor and deletes the file in its destructor.
3529  public:
3530  explicit ScopedPrematureExitFile(const char* premature_exit_filepath)
3531  : premature_exit_filepath_(premature_exit_filepath) {
3532  // If a path to the premature-exit file is specified...
3533  if (premature_exit_filepath != NULL && *premature_exit_filepath != '\0') {
3534  // create the file with a single "0" character in it. I/O
3535  // errors are ignored as there's nothing better we can do and we
3536  // don't want to fail the test because of this.
3537  FILE* pfile = posix::FOpen(premature_exit_filepath, "w");
3538  fwrite("0", 1, 1, pfile);
3539  fclose(pfile);
3540  }
3541  }
3542 
3544  if (premature_exit_filepath_ != NULL && *premature_exit_filepath_ != '\0') {
3545  remove(premature_exit_filepath_);
3546  }
3547  }
3548 
3549  private:
3550  const char* const premature_exit_filepath_;
3551 
3553 };
3554 
3555 } // namespace internal
3556 
3557 // class TestEventListeners
3558 
3560  : repeater_(new internal::TestEventRepeater()),
3561  default_result_printer_(NULL),
3562  default_xml_generator_(NULL) {
3563 }
3564 
3565 TestEventListeners::~TestEventListeners() { delete repeater_; }
3566 
3567 // Returns the standard listener responsible for the default console
3568 // output. Can be removed from the listeners list to shut down default
3569 // console output. Note that removing this object from the listener list
3570 // with Release transfers its ownership to the user.
3572  repeater_->Append(listener);
3573 }
3574 
3575 // Removes the given event listener from the list and returns it. It then
3576 // becomes the caller's responsibility to delete the listener. Returns
3577 // NULL if the listener is not found in the list.
3579  if (listener == default_result_printer_)
3580  default_result_printer_ = NULL;
3581  else if (listener == default_xml_generator_)
3582  default_xml_generator_ = NULL;
3583  return repeater_->Release(listener);
3584 }
3585 
3586 // Returns repeater that broadcasts the TestEventListener events to all
3587 // subscribers.
3588 TestEventListener* TestEventListeners::repeater() { return repeater_; }
3589 
3590 // Sets the default_result_printer attribute to the provided listener.
3591 // The listener is also added to the listener list and previous
3592 // default_result_printer is removed from it and deleted. The listener can
3593 // also be NULL in which case it will not be added to the list. Does
3594 // nothing if the previous and the current listener objects are the same.
3596  if (default_result_printer_ != listener) {
3597  // It is an error to pass this method a listener that is already in the
3598  // list.
3599  delete Release(default_result_printer_);
3600  default_result_printer_ = listener;
3601  if (listener != NULL)
3602  Append(listener);
3603  }
3604 }
3605 
3606 // Sets the default_xml_generator attribute to the provided listener. The
3607 // listener is also added to the listener list and previous
3608 // default_xml_generator is removed from it and deleted. The listener can
3609 // also be NULL in which case it will not be added to the list. Does
3610 // nothing if the previous and the current listener objects are the same.
3612  if (default_xml_generator_ != listener) {
3613  // It is an error to pass this method a listener that is already in the
3614  // list.
3615  delete Release(default_xml_generator_);
3616  default_xml_generator_ = listener;
3617  if (listener != NULL)
3618  Append(listener);
3619  }
3620 }
3621 
3622 // Controls whether events will be forwarded by the repeater to the
3623 // listeners in the list.
3625  return repeater_->forwarding_enabled();
3626 }
3627 
3629  repeater_->set_forwarding_enabled(false);
3630 }
3631 
3632 // class UnitTest
3633 
3634 // Gets the singleton UnitTest object. The first time this method is
3635 // called, a UnitTest object is constructed and returned. Consecutive
3636 // calls will return the same object.
3637 //
3638 // We don't protect this under mutex_ as a user is not supposed to
3639 // call this before main() starts, from which point on the return
3640 // value will never change.
3642  // When compiled with MSVC 7.1 in optimized mode, destroying the
3643  // UnitTest object upon exiting the program messes up the exit code,
3644  // causing successful tests to appear failed. We have to use a
3645  // different implementation in this case to bypass the compiler bug.
3646  // This implementation makes the compiler happy, at the cost of
3647  // leaking the UnitTest object.
3648 
3649  // CodeGear C++Builder insists on a public destructor for the
3650  // default implementation. Use this implementation to keep good OO
3651  // design with private destructor.
3652 
3653 #if (_MSC_VER == 1310 && !defined(_DEBUG)) || defined(__BORLANDC__)
3654  static UnitTest* const instance = new UnitTest;
3655  return instance;
3656 #else
3657  static UnitTest instance;
3658  return &instance;
3659 #endif // (_MSC_VER == 1310 && !defined(_DEBUG)) || defined(__BORLANDC__)
3660 }
3661 
3662 // Gets the number of successful test cases.
3664  return impl()->successful_test_case_count();
3665 }
3666 
3667 // Gets the number of failed test cases.
3669  return impl()->failed_test_case_count();
3670 }
3671 
3672 // Gets the number of all test cases.
3673 int UnitTest::total_test_case_count() const {
3674  return impl()->total_test_case_count();
3675 }
3676 
3677 // Gets the number of all test cases that contain at least one test
3678 // that should run.
3680  return impl()->test_case_to_run_count();
3681 }
3682 
3683 // Gets the number of successful tests.
3684 int UnitTest::successful_test_count() const {
3685  return impl()->successful_test_count();
3686 }
3687 
3688 // Gets the number of failed tests.
3689 int UnitTest::failed_test_count() const { return impl()->failed_test_count(); }
3690 
3691 // Gets the number of disabled tests that will be reported in the XML report.
3693  return impl()->reportable_disabled_test_count();
3694 }
3695 
3696 // Gets the number of disabled tests.
3697 int UnitTest::disabled_test_count() const {
3698  return impl()->disabled_test_count();
3699 }
3700 
3701 // Gets the number of tests to be printed in the XML report.
3702 int UnitTest::reportable_test_count() const {
3703  return impl()->reportable_test_count();
3704 }
3705 
3706 // Gets the number of all tests.
3707 int UnitTest::total_test_count() const { return impl()->total_test_count(); }
3708 
3709 // Gets the number of tests that should run.
3710 int UnitTest::test_to_run_count() const { return impl()->test_to_run_count(); }
3711 
3712 // Gets the time of the test program start, in ms from the start of the
3713 // UNIX epoch.
3715  return impl()->start_timestamp();
3716 }
3717 
3718 // Gets the elapsed time, in milliseconds.
3720  return impl()->elapsed_time();
3721 }
3722 
3723 // Returns true iff the unit test passed (i.e. all test cases passed).
3724 bool UnitTest::Passed() const { return impl()->Passed(); }
3725 
3726 // Returns true iff the unit test failed (i.e. some test case failed
3727 // or something outside of all tests failed).
3728 bool UnitTest::Failed() const { return impl()->Failed(); }
3729 
3730 // Gets the i-th test case among all the test cases. i can range from 0 to
3731 // total_test_case_count() - 1. If i is not in that range, returns NULL.
3732 const TestCase* UnitTest::GetTestCase(int i) const {
3733  return impl()->GetTestCase(i);
3734 }
3735 
3736 // Returns the TestResult containing information on test failures and
3737 // properties logged outside of individual test cases.
3739  return *impl()->ad_hoc_test_result();
3740 }
3741 
3742 // Gets the i-th test case among all the test cases. i can range from 0 to
3743 // total_test_case_count() - 1. If i is not in that range, returns NULL.
3745  return impl()->GetMutableTestCase(i);
3746 }
3747 
3748 // Returns the list of event listeners that can be used to track events
3749 // inside Google Test.
3751  return *impl()->listeners();
3752 }
3753 
3754 // Registers and returns a global test environment. When a test
3755 // program is run, all global test environments will be set-up in the
3756 // order they were registered. After all tests in the program have
3757 // finished, all global test environments will be torn-down in the
3758 // *reverse* order they were registered.
3759 //
3760 // The UnitTest object takes ownership of the given environment.
3761 //
3762 // We don't protect this under mutex_, as we only support calling it
3763 // from the main thread.
3765  if (env == NULL) {
3766  return NULL;
3767  }
3768 
3769  impl_->environments().push_back(env);
3770  return env;
3771 }
3772 
3773 // Adds a TestPartResult to the current TestResult object. All Google Test
3774 // assertion macros (e.g. ASSERT_TRUE, EXPECT_EQ, etc) eventually call
3775 // this to report their results. The user code should use the
3776 // assertion macros instead of calling this directly.
3778  TestPartResult::Type result_type,
3779  const char* file_name,
3780  int line_number,
3781  const std::string& message,
3782  const std::string& os_stack_trace) GTEST_LOCK_EXCLUDED_(mutex_) {
3783  Message msg;
3784  msg << message;
3785 
3786  internal::MutexLock lock(&mutex_);
3787  if (impl_->gtest_trace_stack().size() > 0) {
3788  msg << "\n" << GTEST_NAME_ << " trace:";
3789 
3790  for (int i = static_cast<int>(impl_->gtest_trace_stack().size());
3791  i > 0; --i) {
3792  const internal::TraceInfo& trace = impl_->gtest_trace_stack()[i - 1];
3793  msg << "\n" << internal::FormatFileLocation(trace.file, trace.line)
3794  << " " << trace.message;
3795  }
3796  }
3797 
3798  if (os_stack_trace.c_str() != NULL && !os_stack_trace.empty()) {
3799  msg << internal::kStackTraceMarker << os_stack_trace;
3800  }
3801 
3802  const TestPartResult result =
3803  TestPartResult(result_type, file_name, line_number,
3804  msg.GetString().c_str());
3805  impl_->GetTestPartResultReporterForCurrentThread()->
3806  ReportTestPartResult(result);
3807 
3808  if (result_type != TestPartResult::kSuccess) {
3809  // gtest_break_on_failure takes precedence over
3810  // gtest_throw_on_failure. This allows a user to set the latter
3811  // in the code (perhaps in order to use Google Test assertions
3812  // with another testing framework) and specify the former on the
3813  // command line for debugging.
3814  if (GTEST_FLAG(break_on_failure)) {
3815 #if GTEST_OS_WINDOWS
3816  // Using DebugBreak on Windows allows gtest to still break into a debugger
3817  // when a failure happens and both the --gtest_break_on_failure and
3818  // the --gtest_catch_exceptions flags are specified.
3819  DebugBreak();
3820 #else
3821  // Dereference NULL through a volatile pointer to prevent the compiler
3822  // from removing. We use this rather than abort() or __builtin_trap() for
3823  // portability: Symbian doesn't implement abort() well, and some debuggers
3824  // don't correctly trap abort().
3825  *static_cast<volatile int*>(NULL) = 1;
3826 #endif // GTEST_OS_WINDOWS
3827  } else if (GTEST_FLAG(throw_on_failure)) {
3828 #if GTEST_HAS_EXCEPTIONS
3829  throw internal::GoogleTestFailureException(result);
3830 #else
3831  // We cannot call abort() as it generates a pop-up in debug mode
3832  // that cannot be suppressed in VC 7.1 or below.
3833  exit(1);
3834 #endif
3835  }
3836  }
3837 }
3838 
3839 // Adds a TestProperty to the current TestResult object when invoked from
3840 // inside a test, to current TestCase's ad_hoc_test_result_ when invoked
3841 // from SetUpTestCase or TearDownTestCase, or to the global property set
3842 // when invoked elsewhere. If the result already contains a property with
3843 // the same key, the value will be updated.
3844 void UnitTest::RecordProperty(const std::string& key,
3845  const std::string& value) {
3846  impl_->RecordProperty(TestProperty(key, value));
3847 }
3848 
3849 // Runs all tests in this UnitTest object and prints the result.
3850 // Returns 0 if successful, or 1 otherwise.
3851 //
3852 // We don't protect this under mutex_, as we only support calling it
3853 // from the main thread.
3854 int UnitTest::Run() {
3855  const bool in_death_test_child_process =
3856  internal::GTEST_FLAG(internal_run_death_test).length() > 0;
3857 
3858  // Google Test implements this protocol for catching that a test
3859  // program exits before returning control to Google Test:
3860  //
3861  // 1. Upon start, Google Test creates a file whose absolute path
3862  // is specified by the environment variable
3863  // TEST_PREMATURE_EXIT_FILE.
3864  // 2. When Google Test has finished its work, it deletes the file.
3865  //
3866  // This allows a test runner to set TEST_PREMATURE_EXIT_FILE before
3867  // running a Google-Test-based test program and check the existence
3868  // of the file at the end of the test execution to see if it has
3869  // exited prematurely.
3870 
3871  // If we are in the child process of a death test, don't
3872  // create/delete the premature exit file, as doing so is unnecessary
3873  // and will confuse the parent process. Otherwise, create/delete
3874  // the file upon entering/leaving this function. If the program
3875  // somehow exits before this function has a chance to return, the
3876  // premature-exit file will be left undeleted, causing a test runner
3877  // that understands the premature-exit-file protocol to report the
3878  // test as having failed.
3879  const internal::ScopedPrematureExitFile premature_exit_file(
3880  in_death_test_child_process ?
3881  NULL : internal::posix::GetEnv("TEST_PREMATURE_EXIT_FILE"));
3882 
3883  // Captures the value of GTEST_FLAG(catch_exceptions). This value will be
3884  // used for the duration of the program.
3885  impl()->set_catch_exceptions(GTEST_FLAG(catch_exceptions));
3886 
3887 #if GTEST_HAS_SEH
3888  // Either the user wants Google Test to catch exceptions thrown by the
3889  // tests or this is executing in the context of death test child
3890  // process. In either case the user does not want to see pop-up dialogs
3891  // about crashes - they are expected.
3892  if (impl()->catch_exceptions() || in_death_test_child_process) {
3893 # if !GTEST_OS_WINDOWS_MOBILE
3894  // SetErrorMode doesn't exist on CE.
3895  SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOALIGNMENTFAULTEXCEPT |
3896  SEM_NOGPFAULTERRORBOX | SEM_NOOPENFILEERRORBOX);
3897 # endif // !GTEST_OS_WINDOWS_MOBILE
3898 
3899 # if (defined(_MSC_VER) || GTEST_OS_WINDOWS_MINGW) && !GTEST_OS_WINDOWS_MOBILE
3900  // Death test children can be terminated with _abort(). On Windows,
3901  // _abort() can show a dialog with a warning message. This forces the
3902  // abort message to go to stderr instead.
3903  _set_error_mode(_OUT_TO_STDERR);
3904 # endif
3905 
3906 # if _MSC_VER >= 1400 && !GTEST_OS_WINDOWS_MOBILE
3907  // In the debug version, Visual Studio pops up a separate dialog
3908  // offering a choice to debug the aborted program. We need to suppress
3909  // this dialog or it will pop up for every EXPECT/ASSERT_DEATH statement
3910  // executed. Google Test will notify the user of any unexpected
3911  // failure via stderr.
3912  //
3913  // VC++ doesn't define _set_abort_behavior() prior to the version 8.0.
3914  // Users of prior VC versions shall suffer the agony and pain of
3915  // clicking through the countless debug dialogs.
3916  // TODO(vladl@google.com): find a way to suppress the abort dialog() in the
3917  // debug mode when compiled with VC 7.1 or lower.
3918  if (!GTEST_FLAG(break_on_failure))
3919  _set_abort_behavior(
3920  0x0, // Clear the following flags:
3921  _WRITE_ABORT_MSG | _CALL_REPORTFAULT); // pop-up window, core dump.
3922 # endif
3923  }
3924 #endif // GTEST_HAS_SEH
3925 
3927  impl(),
3929  "auxiliary test code (environments or event listeners)") ? 0 : 1;
3930 }
3931 
3932 // Returns the working directory when the first TEST() or TEST_F() was
3933 // executed.
3934 const char* UnitTest::original_working_dir() const {
3935  return impl_->original_working_dir_.c_str();
3936 }
3937 
3938 // Returns the TestCase object for the test that's currently running,
3939 // or NULL if no test is running.
3941  GTEST_LOCK_EXCLUDED_(mutex_) {
3942  internal::MutexLock lock(&mutex_);
3943  return impl_->current_test_case();
3944 }
3945 
3946 // Returns the TestInfo object for the test that's currently running,
3947 // or NULL if no test is running.
3949  GTEST_LOCK_EXCLUDED_(mutex_) {
3950  internal::MutexLock lock(&mutex_);
3951  return impl_->current_test_info();
3952 }
3953 
3954 // Returns the random seed used at the start of the current test run.
3955 int UnitTest::random_seed() const { return impl_->random_seed(); }
3956 
3957 #if GTEST_HAS_PARAM_TEST
3958 // Returns ParameterizedTestCaseRegistry object used to keep track of
3959 // value-parameterized tests and instantiate and register them.
3962  GTEST_LOCK_EXCLUDED_(mutex_) {
3963  return impl_->parameterized_test_registry();
3964 }
3965 #endif // GTEST_HAS_PARAM_TEST
3966 
3967 // Creates an empty UnitTest.
3969  impl_ = new internal::UnitTestImpl(this);
3970 }
3971 
3972 // Destructor of UnitTest.
3974  delete impl_;
3975 }
3976 
3977 // Pushes a trace defined by SCOPED_TRACE() on to the per-thread
3978 // Google Test trace stack.
3980  GTEST_LOCK_EXCLUDED_(mutex_) {
3981  internal::MutexLock lock(&mutex_);
3982  impl_->gtest_trace_stack().push_back(trace);
3983 }
3984 
3985 // Pops a trace from the per-thread Google Test trace stack.
3987  GTEST_LOCK_EXCLUDED_(mutex_) {
3988  internal::MutexLock lock(&mutex_);
3989  impl_->gtest_trace_stack().pop_back();
3990 }
3991 
3992 namespace internal {
3993 
3995  : parent_(parent),
3996 #ifdef _MSC_VER
3997 # pragma warning(push) // Saves the current warning state.
3998 # pragma warning(disable:4355) // Temporarily disables warning 4355
3999  // (using this in initializer).
4000  default_global_test_part_result_reporter_(this),
4001  default_per_thread_test_part_result_reporter_(this),
4002 # pragma warning(pop) // Restores the warning state again.
4003 #else
4004  default_global_test_part_result_reporter_(this),
4005  default_per_thread_test_part_result_reporter_(this),
4006 #endif // _MSC_VER
4007  global_test_part_result_repoter_(
4008  &default_global_test_part_result_reporter_),
4009  per_thread_test_part_result_reporter_(
4010  &default_per_thread_test_part_result_reporter_),
4011 #if GTEST_HAS_PARAM_TEST
4012  parameterized_test_registry_(),
4013  parameterized_tests_registered_(false),
4014 #endif // GTEST_HAS_PARAM_TEST
4015  last_death_test_case_(-1),
4016  current_test_case_(NULL),
4017  current_test_info_(NULL),
4018  ad_hoc_test_result_(),
4019  os_stack_trace_getter_(NULL),
4020  post_flag_parse_init_performed_(false),
4021  random_seed_(0), // Will be overridden by the flag before first use.
4022  random_(0), // Will be reseeded before first use.
4023  start_timestamp_(0),
4024  elapsed_time_(0),
4025 #if GTEST_HAS_DEATH_TEST
4026  death_test_factory_(new DefaultDeathTestFactory),
4027 #endif
4028  // Will be overridden by the flag before first use.
4029  catch_exceptions_(false) {
4030  listeners()->SetDefaultResultPrinter(new PrettyUnitTestResultPrinter);
4031 }
4032 
4034  // Deletes every TestCase.
4035  ForEach(test_cases_, internal::Delete<TestCase>);
4036 
4037  // Deletes every Environment.
4038  ForEach(environments_, internal::Delete<Environment>);
4039 
4040  delete os_stack_trace_getter_;
4041 }
4042 
4043 // Adds a TestProperty to the current TestResult object when invoked in a
4044 // context of a test, to current test case's ad_hoc_test_result when invoke
4045 // from SetUpTestCase/TearDownTestCase, or to the global property set
4046 // otherwise. If the result already contains a property with the same key,
4047 // the value will be updated.
4048 void UnitTestImpl::RecordProperty(const TestProperty& test_property) {
4049  std::string xml_element;
4050  TestResult* test_result; // TestResult appropriate for property recording.
4051 
4052  if (current_test_info_ != NULL) {
4053  xml_element = "testcase";
4054  test_result = &(current_test_info_->result_);
4055  } else if (current_test_case_ != NULL) {
4056  xml_element = "testsuite";
4057  test_result = &(current_test_case_->ad_hoc_test_result_);
4058  } else {
4059  xml_element = "testsuites";
4060  test_result = &ad_hoc_test_result_;
4061  }
4062  test_result->RecordProperty(xml_element, test_property);
4063 }
4064 
4065 #if GTEST_HAS_DEATH_TEST
4066 // Disables event forwarding if the control is currently in a death test
4067 // subprocess. Must not be called before InitGoogleTest.
4068 void UnitTestImpl::SuppressTestEventsIfInSubprocess() {
4069  if (internal_run_death_test_flag_.get() != NULL)
4070  listeners()->SuppressEventForwarding();
4071 }
4072 #endif // GTEST_HAS_DEATH_TEST
4073 
4074 // Initializes event listeners performing XML output as specified by
4075 // UnitTestOptions. Must not be called before InitGoogleTest.
4077  const std::string& output_format = UnitTestOptions::GetOutputFormat();
4078  if (output_format == "xml") {
4079  listeners()->SetDefaultXmlGenerator(new XmlUnitTestResultPrinter(
4081  } else if (output_format != "") {
4082  printf("WARNING: unrecognized output format \"%s\" ignored.\n",
4083  output_format.c_str());
4084  fflush(stdout);
4085  }
4086 }
4087 
4088 #if GTEST_CAN_STREAM_RESULTS_
4089 // Initializes event listeners for streaming test results in string form.
4090 // Must not be called before InitGoogleTest.
4091 void UnitTestImpl::ConfigureStreamingOutput() {
4092  const std::string& target = GTEST_FLAG(stream_result_to);
4093  if (!target.empty()) {
4094  const size_t pos = target.find(':');
4095  if (pos != std::string::npos) {
4096  listeners()->Append(new StreamingListener(target.substr(0, pos),
4097  target.substr(pos+1)));
4098  } else {
4099  printf("WARNING: unrecognized streaming target \"%s\" ignored.\n",
4100  target.c_str());
4101  fflush(stdout);
4102  }
4103  }
4104 }
4105 #endif // GTEST_CAN_STREAM_RESULTS_
4106 
4107 // Performs initialization dependent upon flag values obtained in
4108 // ParseGoogleTestFlagsOnly. Is called from InitGoogleTest after the call to
4109 // ParseGoogleTestFlagsOnly. In case a user neglects to call InitGoogleTest
4110 // this function is also called from RunAllTests. Since this function can be
4111 // called more than once, it has to be idempotent.
4113  // Ensures that this function does not execute more than once.
4114  if (!post_flag_parse_init_performed_) {
4115  post_flag_parse_init_performed_ = true;
4116 
4117 #if GTEST_HAS_DEATH_TEST
4118  InitDeathTestSubprocessControlInfo();
4119  SuppressTestEventsIfInSubprocess();
4120 #endif // GTEST_HAS_DEATH_TEST
4121 
4122  // Registers parameterized tests. This makes parameterized tests
4123  // available to the UnitTest reflection API without running
4124  // RUN_ALL_TESTS.
4125  RegisterParameterizedTests();
4126 
4127  // Configures listeners for XML output. This makes it possible for users
4128  // to shut down the default XML output before invoking RUN_ALL_TESTS.
4129  ConfigureXmlOutput();
4130 
4131 #if GTEST_CAN_STREAM_RESULTS_
4132  // Configures listeners for streaming test results to the specified server.
4133  ConfigureStreamingOutput();
4134 #endif // GTEST_CAN_STREAM_RESULTS_
4135  }
4136 }
4137 
4138 // A predicate that checks the name of a TestCase against a known
4139 // value.
4140 //
4141 // This is used for implementation of the UnitTest class only. We put
4142 // it in the anonymous namespace to prevent polluting the outer
4143 // namespace.
4144 //
4145 // TestCaseNameIs is copyable.
4146 class TestCaseNameIs {
4147  public:
4148  // Constructor.
4150  : name_(name) {}
4151 
4152  // Returns true iff the name of test_case matches name_.
4153  bool operator()(const TestCase* test_case) const {
4154  return test_case != NULL && strcmp(test_case->name(), name_.c_str()) == 0;
4155  }
4156 
4157  private:
4159 };
4160 
4161 // Finds and returns a TestCase with the given name. If one doesn't
4162 // exist, creates one and returns it. It's the CALLER'S
4163 // RESPONSIBILITY to ensure that this function is only called WHEN THE
4164 // TESTS ARE NOT SHUFFLED.
4165 //
4166 // Arguments:
4167 //
4168 // test_case_name: name of the test case
4169 // type_param: the name of the test case's type parameter, or NULL if
4170 // this is not a typed or a type-parameterized test case.
4171 // set_up_tc: pointer to the function that sets up the test case
4172 // tear_down_tc: pointer to the function that tears down the test case
4173 TestCase* UnitTestImpl::GetTestCase(const char* test_case_name,
4174  const char* type_param,
4175  Test::SetUpTestCaseFunc set_up_tc,
4176  Test::TearDownTestCaseFunc tear_down_tc) {
4177  // Can we find a TestCase with the given name?
4178  const std::vector<TestCase*>::const_iterator test_case =
4179  std::find_if(test_cases_.begin(), test_cases_.end(),
4180  TestCaseNameIs(test_case_name));
4181 
4182  if (test_case != test_cases_.end())
4183  return *test_case;
4184 
4185  // No. Let's create one.
4186  TestCase* const new_test_case =
4187  new TestCase(test_case_name, type_param, set_up_tc, tear_down_tc);
4188 
4189  // Is this a death test case?
4190  if (internal::UnitTestOptions::MatchesFilter(test_case_name,
4191  kDeathTestCaseFilter)) {
4192  // Yes. Inserts the test case after the last death test case
4193  // defined so far. This only works when the test cases haven't
4194  // been shuffled. Otherwise we may end up running a death test
4195  // after a non-death test.
4196  ++last_death_test_case_;
4197  test_cases_.insert(test_cases_.begin() + last_death_test_case_,
4198  new_test_case);
4199  } else {
4200  // No. Appends to the end of the list.
4201  test_cases_.push_back(new_test_case);
4202  }
4203 
4204  test_case_indices_.push_back(static_cast<int>(test_case_indices_.size()));
4205  return new_test_case;
4206 }
4207 
4208 // Helpers for setting up / tearing down the given environment. They
4209 // are for use in the ForEach() function.
4210 static void SetUpEnvironment(Environment* env) { env->SetUp(); }
4211 static void TearDownEnvironment(Environment* env) { env->TearDown(); }
4212 
4213 // Runs all tests in this UnitTest object, prints the result, and
4214 // returns true if all tests are successful. If any exception is
4215 // thrown during a test, the test is considered to be failed, but the
4216 // rest of the tests will still be run.
4217 //
4218 // When parameterized tests are enabled, it expands and registers
4219 // parameterized tests first in RegisterParameterizedTests().
4220 // All other functions called from RunAllTests() may safely assume that
4221 // parameterized tests are ready to be counted and run.
4223  // Makes sure InitGoogleTest() was called.
4224  if (!GTestIsInitialized()) {
4225  printf("%s",
4226  "\nThis test program did NOT call ::testing::InitGoogleTest "
4227  "before calling RUN_ALL_TESTS(). Please fix it.\n");
4228  return false;
4229  }
4230 
4231  // Do not run any test if the --help flag was specified.
4232  if (g_help_flag)
4233  return true;
4234 
4235  // Repeats the call to the post-flag parsing initialization in case the
4236  // user didn't call InitGoogleTest.
4237  PostFlagParsingInit();
4238 
4239  // Even if sharding is not on, test runners may want to use the
4240  // GTEST_SHARD_STATUS_FILE to query whether the test supports the sharding
4241  // protocol.
4243 
4244  // True iff we are in a subprocess for running a thread-safe-style
4245  // death test.
4246  bool in_subprocess_for_death_test = false;
4247 
4248 #if GTEST_HAS_DEATH_TEST
4249  in_subprocess_for_death_test = (internal_run_death_test_flag_.get() != NULL);
4250 #endif // GTEST_HAS_DEATH_TEST
4251 
4252  const bool should_shard = ShouldShard(kTestTotalShards, kTestShardIndex,
4253  in_subprocess_for_death_test);
4254 
4255  // Compares the full test names with the filter to decide which
4256  // tests to run.
4257  const bool has_tests_to_run = FilterTests(should_shard
4258  ? HONOR_SHARDING_PROTOCOL
4259  : IGNORE_SHARDING_PROTOCOL) > 0;
4260 
4261  // Lists the tests and exits if the --gtest_list_tests flag was specified.
4262  if (GTEST_FLAG(list_tests)) {
4263  // This must be called *after* FilterTests() has been called.
4264  ListTestsMatchingFilter();
4265  return true;
4266  }
4267 
4268  random_seed_ = GTEST_FLAG(shuffle) ?
4269  GetRandomSeedFromFlag(GTEST_FLAG(random_seed)) : 0;
4270 
4271  // True iff at least one test has failed.
4272  bool failed = false;
4273 
4274  TestEventListener* repeater = listeners()->repeater();
4275 
4276  start_timestamp_ = GetTimeInMillis();
4277  repeater->OnTestProgramStart(*parent_);
4278 
4279  // How many times to repeat the tests? We don't want to repeat them
4280  // when we are inside the subprocess of a death test.
4281  const int repeat = in_subprocess_for_death_test ? 1 : GTEST_FLAG(repeat);
4282  // Repeats forever if the repeat count is negative.
4283  const bool forever = repeat < 0;
4284  for (int i = 0; forever || i != repeat; i++) {
4285  // We want to preserve failures generated by ad-hoc test
4286  // assertions executed before RUN_ALL_TESTS().
4287  ClearNonAdHocTestResult();
4288 
4290 
4291  // Shuffles test cases and tests if requested.
4292  if (has_tests_to_run && GTEST_FLAG(shuffle)) {
4293  random()->Reseed(random_seed_);
4294  // This should be done before calling OnTestIterationStart(),
4295  // such that a test event listener can see the actual test order
4296  // in the event.
4297  ShuffleTests();
4298  }
4299 
4300  // Tells the unit test event listeners that the tests are about to start.
4301  repeater->OnTestIterationStart(*parent_, i);
4302 
4303  // Runs each test case if there is at least one test to run.
4304  if (has_tests_to_run) {
4305  // Sets up all environments beforehand.
4306  repeater->OnEnvironmentsSetUpStart(*parent_);
4307  ForEach(environments_, SetUpEnvironment);
4308  repeater->OnEnvironmentsSetUpEnd(*parent_);
4309 
4310  // Runs the tests only if there was no fatal failure during global
4311  // set-up.
4312  if (!Test::HasFatalFailure()) {
4313  for (int test_index = 0; test_index < total_test_case_count();
4314  test_index++) {
4315  GetMutableTestCase(test_index)->Run();
4316  }
4317  }
4318 
4319  // Tears down all environments in reverse order afterwards.
4320  repeater->OnEnvironmentsTearDownStart(*parent_);
4321  std::for_each(environments_.rbegin(), environments_.rend(),
4323  repeater->OnEnvironmentsTearDownEnd(*parent_);
4324  }
4325 
4326  elapsed_time_ = GetTimeInMillis() - start;
4327 
4328  // Tells the unit test event listener that the tests have just finished.
4329  repeater->OnTestIterationEnd(*parent_, i);
4330 
4331  // Gets the result and clears it.
4332  if (!Passed()) {
4333  failed = true;
4334  }
4335 
4336  // Restores the original test order after the iteration. This
4337  // allows the user to quickly repro a failure that happens in the
4338  // N-th iteration without repeating the first (N - 1) iterations.
4339  // This is not enclosed in "if (GTEST_FLAG(shuffle)) { ... }", in
4340  // case the user somehow changes the value of the flag somewhere
4341  // (it's always safe to unshuffle the tests).
4342  UnshuffleTests();
4343 
4344  if (GTEST_FLAG(shuffle)) {
4345  // Picks a new random seed for each iteration.
4346  random_seed_ = GetNextRandomSeed(random_seed_);
4347  }
4348  }
4349 
4350  repeater->OnTestProgramEnd(*parent_);
4351 
4352  return !failed;
4353 }
4354 
4355 // Reads the GTEST_SHARD_STATUS_FILE environment variable, and creates the file
4356 // if the variable is present. If a file already exists at this location, this
4357 // function will write over it. If the variable is present, but the file cannot
4358 // be created, prints an error and exits.
4360  const char* const test_shard_file = posix::GetEnv(kTestShardStatusFile);
4361  if (test_shard_file != NULL) {
4362  FILE* const file = posix::FOpen(test_shard_file, "w");
4363  if (file == NULL) {
4365  "Could not write to the test shard status file \"%s\" "
4366  "specified by the %s environment variable.\n",
4367  test_shard_file, kTestShardStatusFile);
4368  fflush(stdout);
4369  exit(EXIT_FAILURE);
4370  }
4371  fclose(file);
4372  }
4373 }
4374 
4375 // Checks whether sharding is enabled by examining the relevant
4376 // environment variable values. If the variables are present,
4377 // but inconsistent (i.e., shard_index >= total_shards), prints
4378 // an error and exits. If in_subprocess_for_death_test, sharding is
4379 // disabled because it must only be applied to the original test
4380 // process. Otherwise, we could filter out death tests we intended to execute.
4381 bool ShouldShard(const char* total_shards_env,
4382  const char* shard_index_env,
4383  bool in_subprocess_for_death_test) {
4384  if (in_subprocess_for_death_test) {
4385  return false;
4386  }
4387 
4388  const Int32 total_shards = Int32FromEnvOrDie(total_shards_env, -1);
4389  const Int32 shard_index = Int32FromEnvOrDie(shard_index_env, -1);
4390 
4391  if (total_shards == -1 && shard_index == -1) {
4392  return false;
4393  } else if (total_shards == -1 && shard_index != -1) {
4394  const Message msg = Message()
4395  << "Invalid environment variables: you have "
4396  << kTestShardIndex << " = " << shard_index
4397  << ", but have left " << kTestTotalShards << " unset.\n";
4398  ColoredPrintf(COLOR_RED, msg.GetString().c_str());
4399  fflush(stdout);
4400  exit(EXIT_FAILURE);
4401  } else if (total_shards != -1 && shard_index == -1) {
4402  const Message msg = Message()
4403  << "Invalid environment variables: you have "
4404  << kTestTotalShards << " = " << total_shards
4405  << ", but have left " << kTestShardIndex << " unset.\n";
4406  ColoredPrintf(COLOR_RED, msg.GetString().c_str());
4407  fflush(stdout);
4408  exit(EXIT_FAILURE);
4409  } else if (shard_index < 0 || shard_index >= total_shards) {
4410  const Message msg = Message()
4411  << "Invalid environment variables: we require 0 <= "
4412  << kTestShardIndex << " < " << kTestTotalShards
4413  << ", but you have " << kTestShardIndex << "=" << shard_index
4414  << ", " << kTestTotalShards << "=" << total_shards << ".\n";
4415  ColoredPrintf(COLOR_RED, msg.GetString().c_str());
4416  fflush(stdout);
4417  exit(EXIT_FAILURE);
4418  }
4419 
4420  return total_shards > 1;
4421 }
4422 
4423 // Parses the environment variable var as an Int32. If it is unset,
4424 // returns default_val. If it is not an Int32, prints an error
4425 // and aborts.
4426 Int32 Int32FromEnvOrDie(const char* var, Int32 default_val) {
4427  const char* str_val = posix::GetEnv(var);
4428  if (str_val == NULL) {
4429  return default_val;
4430  }
4431 
4432  Int32 result;
4433  if (!ParseInt32(Message() << "The value of environment variable " << var,
4434  str_val, &result)) {
4435  exit(EXIT_FAILURE);
4436  }
4437  return result;
4438 }
4439 
4440 // Given the total number of shards, the shard index, and the test id,
4441 // returns true iff the test should be run on this shard. The test id is
4442 // some arbitrary but unique non-negative integer assigned to each test
4443 // method. Assumes that 0 <= shard_index < total_shards.
4444 bool ShouldRunTestOnShard(int total_shards, int shard_index, int test_id) {
4445  return (test_id % total_shards) == shard_index;
4446 }
4447 
4448 // Compares the name of each test with the user-specified filter to
4449 // decide whether the test should be run, then records the result in
4450 // each TestCase and TestInfo object.
4451 // If shard_tests == true, further filters tests based on sharding
4452 // variables in the environment - see
4453 // http://code.google.com/p/googletest/wiki/GoogleTestAdvancedGuide.
4454 // Returns the number of tests that should run.
4455 int UnitTestImpl::FilterTests(ReactionToSharding shard_tests) {
4456  const Int32 total_shards = shard_tests == HONOR_SHARDING_PROTOCOL ?
4457  Int32FromEnvOrDie(kTestTotalShards, -1) : -1;
4458  const Int32 shard_index = shard_tests == HONOR_SHARDING_PROTOCOL ?
4459  Int32FromEnvOrDie(kTestShardIndex, -1) : -1;
4460 
4461  // num_runnable_tests are the number of tests that will
4462  // run across all shards (i.e., match filter and are not disabled).
4463  // num_selected_tests are the number of tests to be run on
4464  // this shard.
4465  int num_runnable_tests = 0;
4466  int num_selected_tests = 0;
4467  for (size_t i = 0; i < test_cases_.size(); i++) {
4468  TestCase* const test_case = test_cases_[i];
4469  const std::string &test_case_name = test_case->name();
4470  test_case->set_should_run(false);
4471 
4472  for (size_t j = 0; j < test_case->test_info_list().size(); j++) {
4473  TestInfo* const test_info = test_case->test_info_list()[j];
4474  const std::string test_name(test_info->name());
4475  // A test is disabled if test case name or test name matches
4476  // kDisableTestFilter.
4477  const bool is_disabled =
4479  kDisableTestFilter) ||
4481  kDisableTestFilter);
4482  test_info->is_disabled_ = is_disabled;
4483 
4484  const bool matches_filter =
4486  test_name);
4487  test_info->matches_filter_ = matches_filter;
4488 
4489  const bool is_runnable =
4490  (GTEST_FLAG(also_run_disabled_tests) || !is_disabled) &&
4491  matches_filter;
4492 
4493  const bool is_selected = is_runnable &&
4494  (shard_tests == IGNORE_SHARDING_PROTOCOL ||
4495  ShouldRunTestOnShard(total_shards, shard_index,
4496  num_runnable_tests));
4497 
4498  num_runnable_tests += is_runnable;
4499  num_selected_tests += is_selected;
4500 
4501  test_info->should_run_ = is_selected;
4502  test_case->set_should_run(test_case->should_run() || is_selected);
4503  }
4504  }
4505  return num_selected_tests;
4506 }
4507 
4508 // Prints the given C-string on a single line by replacing all '\n'
4509 // characters with string "\\n". If the output takes more than
4510 // max_length characters, only prints the first max_length characters
4511 // and "...".
4512 static void PrintOnOneLine(const char* str, int max_length) {
4513  if (str != NULL) {
4514  for (int i = 0; *str != '\0'; ++str) {
4515  if (i >= max_length) {
4516  printf("...");
4517  break;
4518  }
4519  if (*str == '\n') {
4520  printf("\\n");
4521  i += 2;
4522  } else {
4523  printf("%c", *str);
4524  ++i;
4525  }
4526  }
4527  }
4528 }
4529 
4530 // Prints the names of the tests matching the user-specified filter flag.
4532  // Print at most this many characters for each type/value parameter.
4533  const int kMaxParamLength = 250;
4534 
4535  for (size_t i = 0; i < test_cases_.size(); i++) {
4536  const TestCase* const test_case = test_cases_[i];
4537  bool printed_test_case_name = false;
4538 
4539  for (size_t j = 0; j < test_case->test_info_list().size(); j++) {
4540  const TestInfo* const test_info =
4541  test_case->test_info_list()[j];
4542  if (test_info->matches_filter_) {
4543  if (!printed_test_case_name) {
4544  printed_test_case_name = true;
4545  printf("%s.", test_case->name());
4546  if (test_case->type_param() != NULL) {
4547  printf(" # %s = ", kTypeParamLabel);
4548  // We print the type parameter on a single line to make
4549  // the output easy to parse by a program.
4550  PrintOnOneLine(test_case->type_param(), kMaxParamLength);
4551  }
4552  printf("\n");
4553  }
4554  printf(" %s", test_info->name());
4555  if (test_info->value_param() != NULL) {
4556  printf(" # %s = ", kValueParamLabel);
4557  // We print the value parameter on a single line to make the
4558  // output easy to parse by a program.
4559  PrintOnOneLine(test_info->value_param(), kMaxParamLength);
4560  }
4561  printf("\n");
4562  }
4563  }
4564  }
4565  fflush(stdout);
4566 }
4567 
4568 // Sets the OS stack trace getter.
4569 //
4570 // Does nothing if the input and the current OS stack trace getter are
4571 // the same; otherwise, deletes the old getter and makes the input the
4572 // current getter.
4574  OsStackTraceGetterInterface* getter) {
4575  if (os_stack_trace_getter_ != getter) {
4576  delete os_stack_trace_getter_;
4577  os_stack_trace_getter_ = getter;
4578  }
4579 }
4580 
4581 // Returns the current OS stack trace getter if it is not NULL;
4582 // otherwise, creates an OsStackTraceGetter, makes it the current
4583 // getter, and returns it.
4585  if (os_stack_trace_getter_ == NULL) {
4586  os_stack_trace_getter_ = new OsStackTraceGetter;
4587  }
4588 
4589  return os_stack_trace_getter_;
4590 }
4591 
4592 // Returns the TestResult for the test that's currently running, or
4593 // the TestResult for the ad hoc test if no test is running.
4595  return current_test_info_ ?
4596  &(current_test_info_->result_) : &ad_hoc_test_result_;
4597 }
4598 
4599 // Shuffles all test cases, and the tests within each test case,
4600 // making sure that death tests are still run first.
4602  // Shuffles the death test cases.
4603  ShuffleRange(random(), 0, last_death_test_case_ + 1, &test_case_indices_);
4604 
4605  // Shuffles the non-death test cases.
4606  ShuffleRange(random(), last_death_test_case_ + 1,
4607  static_cast<int>(test_cases_.size()), &test_case_indices_);
4608 
4609  // Shuffles the tests inside each test case.
4610  for (size_t i = 0; i < test_cases_.size(); i++) {
4611  test_cases_[i]->ShuffleTests(random());
4612  }
4613 }
4614 
4615 // Restores the test cases and tests to their order before the first shuffle.
4617  for (size_t i = 0; i < test_cases_.size(); i++) {
4618  // Unshuffles the tests in each test case.
4619  test_cases_[i]->UnshuffleTests();
4620  // Resets the index of each test case.
4621  test_case_indices_[i] = static_cast<int>(i);
4622  }
4623 }
4624 
4625 // Returns the current OS stack trace as an std::string.
4626 //
4627 // The maximum number of stack frames to be included is specified by
4628 // the gtest_stack_trace_depth flag. The skip_count parameter
4629 // specifies the number of top frames to be skipped, which doesn't
4630 // count against the number of frames to be included.
4631 //
4632 // For example, if Foo() calls Bar(), which in turn calls
4633 // GetCurrentOsStackTraceExceptTop(..., 1), Foo() will be included in
4634 // the trace but Bar() and GetCurrentOsStackTraceExceptTop() won't.
4636  int skip_count) {
4637  // We pass skip_count + 1 to skip this wrapper function in addition
4638  // to what the user really wants to skip.
4639  return GetUnitTestImpl()->CurrentOsStackTraceExceptTop(skip_count + 1);
4640 }
4641 
4642 // Used by the GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_ macro to
4643 // suppress unreachable code warnings.
4644 namespace {
4645 class ClassUniqueToAlwaysTrue {};
4646 }
4647 
4648 bool IsTrue(bool condition) { return condition; }
4649 
4650 bool AlwaysTrue() {
4651 #if GTEST_HAS_EXCEPTIONS
4652  // This condition is always false so AlwaysTrue() never actually throws,
4653  // but it makes the compiler think that it may throw.
4654  if (IsTrue(false))
4655  throw ClassUniqueToAlwaysTrue();
4656 #endif // GTEST_HAS_EXCEPTIONS
4657  return true;
4658 }
4659 
4660 // If *pstr starts with the given prefix, modifies *pstr to be right
4661 // past the prefix and returns true; otherwise leaves *pstr unchanged
4662 // and returns false. None of pstr, *pstr, and prefix can be NULL.
4663 bool SkipPrefix(const char* prefix, const char** pstr) {
4664  const size_t prefix_len = strlen(prefix);
4665  if (strncmp(*pstr, prefix, prefix_len) == 0) {
4666  *pstr += prefix_len;
4667  return true;
4668  }
4669  return false;
4670 }
4671 
4672 // Parses a string as a command line flag. The string should have
4673 // the format "--flag=value". When def_optional is true, the "=value"
4674 // part can be omitted.
4675 //
4676 // Returns the value of the flag, or NULL if the parsing failed.
4677 const char* ParseFlagValue(const char* str,
4678  const char* flag,
4679  bool def_optional) {
4680  // str and flag must not be NULL.
4681  if (str == NULL || flag == NULL) return NULL;
4682 
4683  // The flag must start with "--" followed by GTEST_FLAG_PREFIX_.
4684  const std::string flag_str = std::string("--") + GTEST_FLAG_PREFIX_ + flag;
4685  const size_t flag_len = flag_str.length();
4686  if (strncmp(str, flag_str.c_str(), flag_len) != 0) return NULL;
4687 
4688  // Skips the flag name.
4689  const char* flag_end = str + flag_len;
4690 
4691  // When def_optional is true, it's OK to not have a "=value" part.
4692  if (def_optional && (flag_end[0] == '\0')) {
4693  return flag_end;
4694  }
4695 
4696  // If def_optional is true and there are more characters after the
4697  // flag name, or if def_optional is false, there must be a '=' after
4698  // the flag name.
4699  if (flag_end[0] != '=') return NULL;
4700 
4701  // Returns the string after "=".
4702  return flag_end + 1;
4703 }
4704 
4705 // Parses a string for a bool flag, in the form of either
4706 // "--flag=value" or "--flag".
4707 //
4708 // In the former case, the value is taken as true as long as it does
4709 // not start with '0', 'f', or 'F'.
4710 //
4711 // In the latter case, the value is taken as true.
4712 //
4713 // On success, stores the value of the flag in *value, and returns
4714 // true. On failure, returns false without changing *value.
4715 bool ParseBoolFlag(const char* str, const char* flag, bool* value) {
4716  // Gets the value of the flag as a string.
4717  const char* const value_str = ParseFlagValue(str, flag, true);
4718 
4719  // Aborts if the parsing failed.
4720  if (value_str == NULL) return false;
4721 
4722  // Converts the string value to a bool.
4723  *value = !(*value_str == '0' || *value_str == 'f' || *value_str == 'F');
4724  return true;
4725 }
4726 
4727 // Parses a string for an Int32 flag, in the form of
4728 // "--flag=value".
4729 //
4730 // On success, stores the value of the flag in *value, and returns
4731 // true. On failure, returns false without changing *value.
4732 bool ParseInt32Flag(const char* str, const char* flag, Int32* value) {
4733  // Gets the value of the flag as a string.
4734  const char* const value_str = ParseFlagValue(str, flag, false);
4735 
4736  // Aborts if the parsing failed.
4737  if (value_str == NULL) return false;
4738 
4739  // Sets *value to the value of the flag.
4740  return ParseInt32(Message() << "The value of flag --" << flag,
4741  value_str, value);
4742 }
4743 
4744 // Parses a string for a string flag, in the form of
4745 // "--flag=value".
4746 //
4747 // On success, stores the value of the flag in *value, and returns
4748 // true. On failure, returns false without changing *value.
4749 bool ParseStringFlag(const char* str, const char* flag, std::string* value) {
4750  // Gets the value of the flag as a string.
4751  const char* const value_str = ParseFlagValue(str, flag, false);
4752 
4753  // Aborts if the parsing failed.
4754  if (value_str == NULL) return false;
4755 
4756  // Sets *value to the value of the flag.
4757  *value = value_str;
4758  return true;
4759 }
4760 
4761 // Determines whether a string has a prefix that Google Test uses for its
4762 // flags, i.e., starts with GTEST_FLAG_PREFIX_ or GTEST_FLAG_PREFIX_DASH_.
4763 // If Google Test detects that a command line flag has its prefix but is not
4764 // recognized, it will print its help message. Flags starting with
4765 // GTEST_INTERNAL_PREFIX_ followed by "internal_" are considered Google Test
4766 // internal flags and do not trigger the help message.
4767 static bool HasGoogleTestFlagPrefix(const char* str) {
4768  return (SkipPrefix("--", &str) ||
4769  SkipPrefix("-", &str) ||
4770  SkipPrefix("/", &str)) &&
4771  !SkipPrefix(GTEST_FLAG_PREFIX_ "internal_", &str) &&
4772  (SkipPrefix(GTEST_FLAG_PREFIX_, &str) ||
4774 }
4775 
4776 // Prints a string containing code-encoded text. The following escape
4777 // sequences can be used in the string to control the text color:
4778 //
4779 // @@ prints a single '@' character.
4780 // @R changes the color to red.
4781 // @G changes the color to green.
4782 // @Y changes the color to yellow.
4783 // @D changes to the default terminal text color.
4784 //
4785 // TODO(wan@google.com): Write tests for this once we add stdout
4786 // capturing to Google Test.
4787 static void PrintColorEncoded(const char* str) {
4788  GTestColor color = COLOR_DEFAULT; // The current color.
4789 
4790  // Conceptually, we split the string into segments divided by escape
4791  // sequences. Then we print one segment at a time. At the end of
4792  // each iteration, the str pointer advances to the beginning of the
4793  // next segment.
4794  for (;;) {
4795  const char* p = strchr(str, '@');
4796  if (p == NULL) {
4797  ColoredPrintf(color, "%s", str);
4798  return;
4799  }
4800 
4801  ColoredPrintf(color, "%s", std::string(str, p).c_str());
4802 
4803  const char ch = p[1];
4804  str = p + 2;
4805  if (ch == '@') {
4806  ColoredPrintf(color, "@");
4807  } else if (ch == 'D') {
4808  color = COLOR_DEFAULT;
4809  } else if (ch == 'R') {
4810  color = COLOR_RED;
4811  } else if (ch == 'G') {
4812  color = COLOR_GREEN;
4813  } else if (ch == 'Y') {
4814  color = COLOR_YELLOW;
4815  } else {
4816  --str;
4817  }
4818  }
4819 }
4820 
4821 static const char kColorEncodedHelpMessage[] =
4822 "This program contains tests written using " GTEST_NAME_ ". You can use the\n"
4823 "following command line flags to control its behavior:\n"
4824 "\n"
4825 "Test Selection:\n"
4826 " @G--" GTEST_FLAG_PREFIX_ "list_tests@D\n"
4827 " List the names of all tests instead of running them. The name of\n"
4828 " TEST(Foo, Bar) is \"Foo.Bar\".\n"
4829 " @G--" GTEST_FLAG_PREFIX_ "filter=@YPOSTIVE_PATTERNS"
4830  "[@G-@YNEGATIVE_PATTERNS]@D\n"
4831 " Run only the tests whose name matches one of the positive patterns but\n"
4832 " none of the negative patterns. '?' matches any single character; '*'\n"
4833 " matches any substring; ':' separates two patterns.\n"
4834 " @G--" GTEST_FLAG_PREFIX_ "also_run_disabled_tests@D\n"
4835 " Run all disabled tests too.\n"
4836 "\n"
4837 "Test Execution:\n"
4838 " @G--" GTEST_FLAG_PREFIX_ "repeat=@Y[COUNT]@D\n"
4839 " Run the tests repeatedly; use a negative count to repeat forever.\n"
4840 " @G--" GTEST_FLAG_PREFIX_ "shuffle@D\n"
4841 " Randomize tests' orders on every iteration.\n"
4842 " @G--" GTEST_FLAG_PREFIX_ "random_seed=@Y[NUMBER]@D\n"
4843 " Random number seed to use for shuffling test orders (between 1 and\n"
4844 " 99999, or 0 to use a seed based on the current time).\n"
4845 "\n"
4846 "Test Output:\n"
4847 " @G--" GTEST_FLAG_PREFIX_ "color=@Y(@Gyes@Y|@Gno@Y|@Gauto@Y)@D\n"
4848 " Enable/disable colored output. The default is @Gauto@D.\n"
4849 " -@G-" GTEST_FLAG_PREFIX_ "print_time=0@D\n"
4850 " Don't print the elapsed time of each test.\n"
4851 " @G--" GTEST_FLAG_PREFIX_ "output=xml@Y[@G:@YDIRECTORY_PATH@G"
4852  GTEST_PATH_SEP_ "@Y|@G:@YFILE_PATH]@D\n"
4853 " Generate an XML report in the given directory or with the given file\n"
4854 " name. @YFILE_PATH@D defaults to @Gtest_details.xml@D.\n"
4855 #if GTEST_CAN_STREAM_RESULTS_
4856 " @G--" GTEST_FLAG_PREFIX_ "stream_result_to=@YHOST@G:@YPORT@D\n"
4857 " Stream test results to the given server.\n"
4858 #endif // GTEST_CAN_STREAM_RESULTS_
4859 "\n"
4860 "Assertion Behavior:\n"
4861 #if GTEST_HAS_DEATH_TEST && !GTEST_OS_WINDOWS
4862 " @G--" GTEST_FLAG_PREFIX_ "death_test_style=@Y(@Gfast@Y|@Gthreadsafe@Y)@D\n"
4863 " Set the default death test style.\n"
4864 #endif // GTEST_HAS_DEATH_TEST && !GTEST_OS_WINDOWS
4865 " @G--" GTEST_FLAG_PREFIX_ "break_on_failure@D\n"
4866 " Turn assertion failures into debugger break-points.\n"
4867 " @G--" GTEST_FLAG_PREFIX_ "throw_on_failure@D\n"
4868 " Turn assertion failures into C++ exceptions.\n"
4869 " @G--" GTEST_FLAG_PREFIX_ "catch_exceptions=0@D\n"
4870 " Do not report exceptions as test failures. Instead, allow them\n"
4871 " to crash the program or throw a pop-up (on Windows).\n"
4872 "\n"
4873 "Except for @G--" GTEST_FLAG_PREFIX_ "list_tests@D, you can alternatively set "
4874  "the corresponding\n"
4875 "environment variable of a flag (all letters in upper-case). For example, to\n"
4876 "disable colored text output, you can either specify @G--" GTEST_FLAG_PREFIX_
4877  "color=no@D or set\n"
4878 "the @G" GTEST_FLAG_PREFIX_UPPER_ "COLOR@D environment variable to @Gno@D.\n"
4879 "\n"
4880 "For more information, please read the " GTEST_NAME_ " documentation at\n"
4881 "@G" GTEST_PROJECT_URL_ "@D. If you find a bug in " GTEST_NAME_ "\n"
4882 "(not one in your own code or tests), please report it to\n"
4883 "@G<" GTEST_DEV_EMAIL_ ">@D.\n";
4884 
4885 // Parses the command line for Google Test flags, without initializing
4886 // other parts of Google Test. The type parameter CharType can be
4887 // instantiated to either char or wchar_t.
4888 template <typename CharType>
4889 void ParseGoogleTestFlagsOnlyImpl(int* argc, CharType** argv) {
4890  for (int i = 1; i < *argc; i++) {
4891  const std::string arg_string = StreamableToString(argv[i]);
4892  const char* const arg = arg_string.c_str();
4893 
4897 
4898  // Do we see a Google Test flag?
4900  &GTEST_FLAG(also_run_disabled_tests)) ||
4902  &GTEST_FLAG(break_on_failure)) ||
4904  &GTEST_FLAG(catch_exceptions)) ||
4905  ParseStringFlag(arg, kColorFlag, &GTEST_FLAG(color)) ||
4907  &GTEST_FLAG(death_test_style)) ||
4909  &GTEST_FLAG(death_test_use_fork)) ||
4910  ParseStringFlag(arg, kFilterFlag, &GTEST_FLAG(filter)) ||
4912  &GTEST_FLAG(internal_run_death_test)) ||
4913  ParseBoolFlag(arg, kListTestsFlag, &GTEST_FLAG(list_tests)) ||
4915  ParseBoolFlag(arg, kPrintTimeFlag, &GTEST_FLAG(print_time)) ||
4916  ParseInt32Flag(arg, kRandomSeedFlag, &GTEST_FLAG(random_seed)) ||
4917  ParseInt32Flag(arg, kRepeatFlag, &GTEST_FLAG(repeat)) ||
4918  ParseBoolFlag(arg, kShuffleFlag, &GTEST_FLAG(shuffle)) ||
4920  &GTEST_FLAG(stack_trace_depth)) ||
4922  &GTEST_FLAG(stream_result_to)) ||
4924  &GTEST_FLAG(throw_on_failure))
4925  ) {
4926  // Yes. Shift the remainder of the argv list left by one. Note
4927  // that argv has (*argc + 1) elements, the last one always being
4928  // NULL. The following loop moves the trailing NULL element as
4929  // well.
4930  for (int j = i; j != *argc; j++) {
4931  argv[j] = argv[j + 1];
4932  }
4933 
4934  // Decrements the argument count.
4935  (*argc)--;
4936 
4937  // We also need to decrement the iterator as we just removed
4938  // an element.
4939  i--;
4940  } else if (arg_string == "--help" || arg_string == "-h" ||
4941  arg_string == "-?" || arg_string == "/?" ||
4942  HasGoogleTestFlagPrefix(arg)) {
4943  // Both help flag and unrecognized Google Test flags (excluding
4944  // internal ones) trigger help display.
4945  g_help_flag = true;
4946  }
4947  }
4948 
4949  if (g_help_flag) {
4950  // We print the help here instead of in RUN_ALL_TESTS(), as the
4951  // latter may not be called at all if the user is using Google
4952  // Test with another testing framework.
4953  PrintColorEncoded(kColorEncodedHelpMessage);
4954  }
4955 }
4956 
4957 // Parses the command line for Google Test flags, without initializing
4958 // other parts of Google Test.
4959 void ParseGoogleTestFlagsOnly(int* argc, char** argv) {
4960  ParseGoogleTestFlagsOnlyImpl(argc, argv);
4961 }
4962 void ParseGoogleTestFlagsOnly(int* argc, wchar_t** argv) {
4963  ParseGoogleTestFlagsOnlyImpl(argc, argv);
4964 }
4965 
4966 // The internal implementation of InitGoogleTest().
4967 //
4968 // The type parameter CharType can be instantiated to either char or
4969 // wchar_t.
4970 template <typename CharType>
4971 void InitGoogleTestImpl(int* argc, CharType** argv) {
4972  g_init_gtest_count++;
4973 
4974  // We don't want to run the initialization code twice.
4975  if (g_init_gtest_count != 1) return;
4976 
4977  if (*argc <= 0) return;
4978 
4980 
4981 #if GTEST_HAS_DEATH_TEST
4982 
4983  g_argvs.clear();
4984  for (int i = 0; i != *argc; i++) {
4985  g_argvs.push_back(StreamableToString(argv[i]));
4986  }
4987 
4988 #endif // GTEST_HAS_DEATH_TEST
4989 
4990  ParseGoogleTestFlagsOnly(argc, argv);
4992 }
4993 
4994 } // namespace internal
4995 
4996 // Initializes Google Test. This must be called before calling
4997 // RUN_ALL_TESTS(). In particular, it parses a command line for the
4998 // flags that Google Test recognizes. Whenever a Google Test flag is
4999 // seen, it is removed from argv, and *argc is decremented.
5000 //
5001 // No value is returned. Instead, the Google Test flag variables are
5002 // updated.
5003 //
5004 // Calling the function for the second time has no user-visible effect.
5005 void InitGoogleTest(int* argc, char** argv) {
5006  internal::InitGoogleTestImpl(argc, argv);
5007 }
5008 
5009 // This overloaded version can be used in Windows programs compiled in
5010 // UNICODE mode.
5011 void InitGoogleTest(int* argc, wchar_t** argv) {
5012  internal::InitGoogleTestImpl(argc, argv);
5013 }
5014 
5015 } // namespace testing
GTEST_API_ bool g_help_flag
int failed_test_count() const
void SetDefaultResultPrinter(TestEventListener *listener)
TestPartResultReporterInterface * GetTestPartResultReporterForCurrentThread()
UnitTestImpl * GetUnitTestImpl()
internal::SetUpTestCaseFunc SetUpTestCaseFunc
const char * type_param() const
bool IsTrue(bool condition)
void RecordProperty(const std::string &xml_element, const TestProperty &test_property)
const char * original_working_dir() const
void ReportFailureInUnknownLocation(TestPartResult::Type result_type, const std::string &message)
int GetRandomSeedFromFlag(Int32 random_seed_flag)
ScopedPrematureExitFile(const char *premature_exit_filepath)
Result HandleExceptionsInMethodIfSupported(T *object, Result(T::*method)(), const char *location)
GTEST_DEFINE_int32_(random_seed, internal::Int32FromGTestEnv("random_seed", 0),"Random number seed to use when shuffling test orders. Must be in range ""[1, 99999], or 0 to use a seed based on the current time.")
static bool HasFatalFailure()
virtual void OnTestIterationStart(const UnitTest &unit_test, int iteration)
TimeInMillis elapsed_time() const
static bool HasGoogleTestFlagPrefix(const char *str)
#define GTEST_DISALLOW_COPY_AND_ASSIGN_(type)
static int SumOverTestCaseList(const std::vector< TestCase * > &case_list, int(TestCase::*method)() const)
GTEST_API_ std::string FormatEpochTimeInMillisAsIso8601(TimeInMillis ms)
static const char kDisableTestFilter[]
E GetElementOr(const std::vector< E > &v, int i, E default_value)
virtual void OnEnvironmentsSetUpStart(const UnitTest &unit_test)
AssertionResult AssertionFailure()
const char kAlsoRunDisabledTestsFlag[]
int * count
UInt32 ChopLowBits(UInt32 *bits, int n)
ROSCPP_DECL void start()
virtual void OnEnvironmentsTearDownStart(const UnitTest &unit_test)=0
virtual void ReportTestPartResult(const TestPartResult &result)
const TestInfo * GetTestInfo(int i) const
static FilePath ConcatPaths(const FilePath &directory, const FilePath &relative_path)
static const char * TestPartResultTypeToString(TestPartResult::Type type)
static std::string EscapeXmlAttribute(const std::string &str)
static std::string EscapeXml(const std::string &str, bool is_attribute)
const char kListTestsFlag[]
void PrintFullTestCommentIfPresent(const TestInfo &test_info)
#define GTEST_API_
TestPartResultReporterInterface * GetGlobalTestPartResultReporter()
IntFormatSpec< int, TypeSpec<'x'> > hex(int value)
SingleFailureChecker(const TestPartResultArray *results, TestPartResult::Type type, const string &substr)
::std::string PrintToString(const T &value)
const char kStreamResultToFlag[]
TypeWithSize< 4 >::Int Int32
const char Message[]
Definition: strings.h:102
FILE * FOpen(const char *path, const char *mode)
#define EXPECT_PRED_FORMAT3(pred_format, v1, v2, v3)
TestCase(const char *name, const char *a_type_param, Test::SetUpTestCaseFunc set_up_tc, Test::TearDownTestCaseFunc tear_down_tc)
int GetNextRandomSeed(int seed)
static void ClearTestResult(TestInfo *test_info)
const char kFilterFlag[]
bool BoolFromGTestEnv(const char *flag, bool default_value)
GTEST_API_ int g_init_gtest_count
GTEST_API_::std::string FormatFileLocation(const char *file, int line)
static bool EndsWithCaseInsensitive(const std::string &str, const std::string &suffix)
virtual void ReportTestPartResult(const TestPartResult &result)
GTEST_API_ bool ShouldUseColor(bool stdout_is_tty)
static void PrintXmlTestCase(::std::ostream *stream, const TestCase &test_case)
ScopedFakeTestPartResultReporter(TestPartResultArray *result)
AssertionResult CmpHelperSTRCASENE(const char *s1_expression, const char *s2_expression, const char *s1, const char *s2)
TypeWithSize< 4 >::UInt UInt32
TestEventListener * Release(TestEventListener *listener)
Definition: test.py:1
GTEST_API_ bool ShouldRunTestOnShard(int total_shards, int shard_index, int test_id)
static const char * GetDefaultFilter()
bool operator()(const TestCase *test_case) const
static bool TestPartNonfatallyFailed(const TestPartResult &result)
TestEventListener * repeater()
#define GTEST_REVERSE_REPEATER_METHOD_(Name, Type)
bool ParseInt32(const Message &src_text, const char *str, Int32 *value)
std::vector< TestInfo * > & test_info_list()
virtual void OnTestIterationStart(const UnitTest &unit_test, int iteration)=0
void SetGlobalTestPartResultReporter(TestPartResultReporterInterface *reporter)
bool connect(ros_opcua_srvs::Connect::Request &req, ros_opcua_srvs::Connect::Response &res)
void RecordProperty(const std::string &key, const std::string &value)
std::string StringStreamToString(::std::stringstream *ss)
static void PrintXmlUnitTest(::std::ostream *stream, const UnitTest &unit_test)
void ColoredPrintf(GTestColor color, const char *fmt,...)
Result HandleSehExceptionsInMethodIfSupported(T *object, Result(T::*method)(), const char *location)
static const char *const kReservedTestSuiteAttributes[]
GTEST_DEFINE_bool_(also_run_disabled_tests, internal::BoolFromGTestEnv("also_run_disabled_tests", false),"Run disabled tests too, in addition to the tests normally being run.")
virtual void OnEnvironmentsSetUpStart(const UnitTest &unit_test)=0
#define ADD_FAILURE()
AssertionResult DoubleNearPredFormat(const char *expr1, const char *expr2, const char *abs_error_expr, double val1, double val2, double abs_error)
static std::string GetAbsolutePathToOutputFile()
virtual void UponLeavingGTest() GTEST_LOCK_EXCLUDED_(mutex_)
Message & operator<<(const T &val)
bool SkipPrefix(const char *prefix, const char **pstr)
GTEST_API_ std::string FormatTimeInMillisAsSeconds(TimeInMillis ms)
virtual void OnTestStart(const TestInfo &test_info)=0
static bool ValidateTestProperty(const std::string &xml_element, const TestProperty &test_property)
void operator=(const Message &message) const
virtual void OnTestCaseEnd(const TestCase &test_case)
int reportable_disabled_test_count() const
const TestPartResult & GetTestPartResult(int i) const
const TestProperty & GetTestProperty(int i) const
internal::TearDownTestCaseFunc TearDownTestCaseFunc
bool IsUtf16SurrogatePair(wchar_t first, wchar_t second)
void Append(TestEventListener *listener)
GTEST_API_ bool ShouldShard(const char *total_shards_str, const char *shard_index_str, bool in_subprocess_for_death_test)
static void SetUpEnvironment(Environment *env)
GTEST_API_ std::string CodePointToUtf8(UInt32 code_point)
#define GTEST_PATH_SEP_
const char kBreakOnFailureFlag[]
static const char kTestTotalShards[]
TestInfo * MakeAndRegisterTestInfo(const char *test_case_name, const char *name, const char *type_param, const char *value_param, TypeId fixture_class_id, SetUpTestCaseFunc set_up_tc, TearDownTestCaseFunc tear_down_tc, TestFactoryBase *factory)
static bool PatternMatchesString(const char *pattern, const char *str)
std::string FormatForComparisonFailureMessage(const T1 &value, const T2 &)
bool ParseBoolFlag(const char *str, const char *flag, bool *value)
name
Definition: setup.py:38
#define GTEST_FLAG(name)
static std::string FormatByte(unsigned char value)
int reportable_test_count() const
spdlog::log_clock::time_point now()
Definition: os.h:64
int disabled_test_count() const
int total_test_count() const
AssertionResult HasOneFailure(const char *, const char *, const char *, const TestPartResultArray &results, TestPartResult::Type type, const string &substr)
const UInt32 kMaxCodePoint3
static std::vector< std::string > GetReservedAttributesForElement(const std::string &xml_element)
void ReportInvalidTestCaseType(const char *test_case_name, const char *file, int line)
void PushGTestTrace(const internal::TraceInfo &trace) GTEST_LOCK_EXCLUDED_(mutex_)
static std::string FormatHexInt(int value)
virtual void OnTestIterationEnd(const UnitTest &unit_test, int iteration)
#define GTEST_HAS_GETTIMEOFDAY_
const char kRandomSeedFlag[]
TimeInMillis start_timestamp() const
std::string StreamableToString(const T &streamable)
virtual void SetUp()
AssertionResult(const AssertionResult &other)
const char kShuffleFlag[]
static const char kTestShardStatusFile[]
bool HasNonfatalFailure() const
#define GTEST_FLAG_PREFIX_DASH_
const char * StringFromGTestEnv(const char *flag, const char *default_value)
const internal::TypeId fixture_class_id_
void AddTestInfo(TestInfo *test_info)
virtual string CurrentStackTrace(int max_depth, int skip_count) GTEST_LOCK_EXCLUDED_(mutex_)
AssertionResult CmpHelperEQ(const char *expected_expression, const char *actual_expression, BiggestInt expected, BiggestInt actual)
void set_os_stack_trace_getter(OsStackTraceGetterInterface *getter)
const char kColorFlag[]
static std::string TestPropertiesAsXmlAttributes(const TestResult &result)
static std::string FormatCountableNoun(int count, const char *singular_form, const char *plural_form)
GTEST_API_ GTEST_DEFINE_STATIC_MUTEX_(g_linked_ptr_mutex)
GTEST_IMPL_CMP_HELPER_(NE,!=)
int test_case_to_run_count() const
virtual void OnTestIterationEnd(const UnitTest &unit_test, int iteration)
virtual void OnTestIterationEnd(const UnitTest &unit_test, int iteration)=0
description
Definition: setup.py:43
int test_to_run_count() const
virtual void OnTestProgramEnd(const UnitTest &unit_test)=0
TestCase * GetMutableTestCase(int i)
OsStackTraceGetterInterface * os_stack_trace_getter()
AssertionResult AssertionSuccess()
message
Definition: server.py:50
std::tm localtime(const std::time_t &time_tt)
Definition: os.h:80
static bool CaseInsensitiveWideCStringEquals(const wchar_t *lhs, const wchar_t *rhs)
const UInt32 kMaxCodePoint1
TestEventListeners & listeners()
void SetDefaultXmlGenerator(TestEventListener *listener)
virtual void ReportTestPartResult(const TestPartResult &result)
void AddTestInfo(Test::SetUpTestCaseFunc set_up_tc, Test::TearDownTestCaseFunc tear_down_tc, TestInfo *test_info)
static const char kValueParamLabel[]
static const char kDeathTestCaseFilter[]
UInt32 Generate(UInt32 range)
static bool CStringEquals(const char *lhs, const char *rhs)
int reportable_test_count() const
void RecordProperty(const TestProperty &test_property)
FilePath RemoveFileName() const
void SetTestPartResultReporterForCurrentThread(TestPartResultReporterInterface *reporter)
TestInfo(const std::string &test_case_name, const std::string &name, const char *a_type_param, const char *a_value_param, internal::TypeId fixture_class_id, internal::TestFactoryBase *factory)
static const char *const kReservedTestSuitesAttributes[]
AssertHelper(TestPartResult::Type type, const char *file, int line, const char *message)
int successful_test_count() const
std::string GetCurrentOsStackTraceExceptTop(UnitTest *, int skip_count)
static bool WideCStringEquals(const wchar_t *lhs, const wchar_t *rhs)
GTEST_API_ const TypeId kTestTypeIdInGoogleTest
static bool GTestIsInitialized()
const std::string & string() const
bool CaseInsensitiveCStringEquals(const char *lhs, const char *rhs)
#define GTEST_PROJECT_URL_
const TestCase * GetTestCase(int i) const
TestInfo * GetMutableTestInfo(int i)
virtual void TearDown()
static bool CaseInsensitiveCStringEquals(const char *lhs, const char *rhs)
static void PrintColorEncoded(const char *str)
AssertionResult FloatingPointLE(const char *expr1, const char *expr2, RawType val1, RawType val2)
void AddTestPartResult(const TestPartResult &test_part_result)
const TestCase * current_test_case() const
internal::ParameterizedTestCaseRegistry & parameterized_test_registry() GTEST_LOCK_EXCLUDED_(mutex_)
static std::string FormatTestCaseCount(int test_case_count)
int StrCaseCmp(const char *s1, const char *s2)
virtual void OnTestCaseStart(const TestCase &test_case)
bool HasFatalFailure() const
UInt32 CreateCodePointFromUtf16SurrogatePair(wchar_t first, wchar_t second)
static void OutputXmlAttribute(std::ostream *stream, const std::string &element_name, const std::string &name, const std::string &value)
ScopedTrace(const char *file, int line, const Message &message)
bool ParseStringFlag(const char *str, const char *flag, std::string *value)
const char * value_param() const
std::string GetString() const
int failed_test_count() const
static const char kUniversalFilter[]
AssertionResult IsSubstring(const char *needle_expr, const char *haystack_expr, const char *needle, const char *haystack)
GTEST_API_ FilePath GetCurrentExecutableName()
int test_to_run_count() const
GTEST_API_ TimeInMillis GetTimeInMillis()
bool Failed() const
AssertionResult CmpHelperSTRCASEEQ(const char *expected_expression, const char *actual_expression, const char *expected, const char *actual)
int total_test_case_count() const
static void PrintOnOneLine(const char *str, int max_length)
static std::string FormatTestCount(int test_count)
static std::string RemoveInvalidXmlCharacters(const std::string &str)
void ShuffleTests(internal::Random *random)
bool Passed() const
const char * test_case_name() const
static bool TestPartFatallyFailed(const TestPartResult &result)
const TestCase * GetTestCase(int i) const
const TestPartResult & GetTestPartResult(int index) const
const TestInfo * current_test_info() const GTEST_LOCK_EXCLUDED_(mutex_)
const char kRepeatFlag[]
static const char *const kReservedTestCaseAttributes[]
static std::string EscapeXmlText(const char *str)
virtual void OnEnvironmentsTearDownEnd(const UnitTest &unit_test)=0
static FilePath GenerateUniqueFileName(const FilePath &directory, const FilePath &base_name, const char *extension)
GTEST_API_ std::string WideStringToUtf8(const wchar_t *str, int num_chars)
const char * ParseFlagValue(const char *str, const char *flag, bool def_optional)
GTEST_API_::std::string FormatCompilerIndependentFileLocation(const char *file, int line)
internal::scoped_ptr< ::std::string > message_
AssertionResult CmpHelperSTRNE(const char *s1_expression, const char *s2_expression, const char *s1, const char *s2)
const TestResult & ad_hoc_test_result() const
const char kStackTraceMarker[]
static void PrintTestPartResult(const TestPartResult &test_part_result)
int test_property_count() const
wchar_t type_
Definition: format.cc:302
void ShuffleRange(internal::Random *random, int begin, int end, std::vector< E > *v)
void PopGTestTrace() GTEST_LOCK_EXCLUDED_(mutex_)
std::string AppendUserMessage(const std::string &gtest_msg, const Message &user_msg)
static const char kDefaultOutputFile[]
Environment * AddEnvironment(Environment *env)
static void StreamWideCharsToMessage(const wchar_t *wstr, size_t length, Message *msg)
static bool ShouldRunTestCase(const TestCase *test_case)
int reportable_disabled_test_count() const
virtual void OnTestIterationEnd(const UnitTest &unit_test, int iteration)
int CountIf(const Container &c, Predicate predicate)
int disabled_test_count() const
internal::NamedArg< char > arg(StringRef name, const T &arg)
Definition: format.h:3918
void AddTestPartResult(TestPartResult::Type result_type, const char *file_name, int line_number, const std::string &message, const std::string &os_stack_trace) GTEST_LOCK_EXCLUDED_(mutex_)
internal::UnitTestImpl * impl()
const char kStackTraceDepthFlag[]
const char * GetAnsiColorCode(GTestColor color)
const char kCatchExceptionsFlag[]
#define GTEST_REPEATER_METHOD_(Name, Type)
void InitGoogleTestImpl(int *argc, CharType **argv)
int Run() GTEST_MUST_USE_RESULT_
void ParseGoogleTestFlagsOnlyImpl(int *argc, CharType **argv)
int FilterTests(ReactionToSharding shard_tests)
AssertionResult EqFailure(const char *expected_expression, const char *actual_expression, const std::string &expected_value, const std::string &actual_value, bool ignoring_case)
TestEventListener * Release(TestEventListener *listener)
static std::string FormatWordList(const std::vector< std::string > &words)
GTEST_API_ void ParseGoogleTestFlagsOnly(int *argc, char **argv)
#define GTEST_NAME_
static bool HasSameFixtureClass()
void Shuffle(internal::Random *random, std::vector< E > *v)
virtual void OnTestCaseStart(const TestCase &test_case)=0
std::string GetBoolAssertionFailureMessage(const AssertionResult &assertion_result, const char *expression_text, const char *actual_predicate_value, const char *expected_predicate_value)
int successful_test_count() const
int total_test_count() const
static const char kTestShardIndex[]
virtual void OnEnvironmentsTearDownEnd(const UnitTest &)
static bool TestCasePassed(const TestCase *test_case)
virtual void OnEnvironmentsSetUpEnd(const UnitTest &unit_test)=0
#define GTEST_FLAG_PREFIX_
static const char kColorEncodedHelpMessage[]
int total_part_count() const
AssertionResult operator!() const
static const char *const kElidedFramesMarker
static void TearDownEnvironment(Environment *env)
virtual void OnTestProgramStart(const UnitTest &unit_test)=0
std::string name_
AssertionResult DoubleLE(const char *expr1, const char *expr2, double val1, double val2)
const UInt32 kMaxCodePoint4
void InitGoogleTest(int *argc, char **argv)
int failed_test_case_count() const
int successful_test_case_count() const
Int32 Int32FromGTestEnv(const char *flag, Int32 default_value)
virtual void OnTestStart(const TestInfo &test_info)
TimeInMillis elapsed_time() const
FMT_API int fprintf(std::FILE *f, CStringRef format, ArgList args)
Definition: format.cc:891
std::string g_executable_path
const TestResult * result() const
Definition: format.cc:81
AssertionResult IsNotSubstring(const char *needle_expr, const char *haystack_expr, const char *needle, const char *haystack)
static UnitTest * GetInstance()
#define GTEST_DEV_EMAIL_
AssertionResult CmpHelperSTREQ(const char *expected_expression, const char *actual_expression, const char *expected, const char *actual)
GTEST_DEFINE_string_(internal_run_death_test,"","Indicates the file, line number, temporal index of ""the single death test to run, and a file descriptor to ""which a success code may be sent, all separated by ""the '|' characters. This flag is specified if and only if the current ""process is a sub-process launched for running a thread-safe ""death test. FOR INTERNAL USE ONLY.")
int random_seed() const
const UInt32 kMaxCodePoint2
static void PrintTestName(const char *test_case, const char *test)
const char * type_param() const
TypeWithSize< 8 >::Int TimeInMillis
static void OutputXmlTestInfo(::std::ostream *stream, const char *test_case_name, const TestInfo &test_info)
static bool TestCaseFailed(const TestCase *test_case)
void ForEach(const Container &c, Functor functor)
FilePath RemoveDirectoryName() const
static void RecordProperty(const std::string &key, const std::string &value)
const TestResult & ad_hoc_test_result() const
#define GTEST_CHECK_(condition)
static bool FilterMatchesTest(const std::string &test_case_name, const std::string &test_name)
const char * GetEnv(const char *name)
GTEST_API_ Int32 Int32FromEnvOrDie(const char *env_var, Int32 default_val)
virtual void TestBody()=0
static std::string FormatIntWidth2(int value)
void WriteToShardStatusFileIfNeeded()
#define GTEST_FLAG_PREFIX_UPPER_
static std::string ShowWideCString(const wchar_t *wide_c_str)
virtual void OnTestIterationStart(const UnitTest &unit_test, int iteration)
static void PrintFailedTests(const UnitTest &unit_test)
const char kOutputFlag[]
#define GTEST_LOG_(severity)
virtual void OnTestPartResult(const TestPartResult &result)
static bool MatchesFilter(const std::string &name, const char *filter)
std::vector< std::string > ArrayAsVector(const char *const (&array)[kSize])
const TestCase * current_test_case() const GTEST_LOCK_EXCLUDED_(mutex_)
virtual void OnEnvironmentsTearDownStart(const UnitTest &unit_test)
static bool HasNonfatalFailure()
const char kPrintTimeFlag[]
const char kThrowOnFailureFlag[]
bool ValidateTestPropertyName(const std::string &property_name, const std::vector< std::string > &reserved_names)
void Append(TestEventListener *listener)
static std::string PrintTestPartResultToString(const TestPartResult &test_part_result)
GTEST_API_ bool ParseInt32Flag(const char *str, const char *flag, Int32 *value)
virtual void OnTestEnd(const TestInfo &test_info)
#define GTEST_LOCK_EXCLUDED_(locks)
AssertionResult FloatLE(const char *expr1, const char *expr2, float val1, float val2)
std::string CurrentOsStackTraceExceptTop(int skip_count) GTEST_NO_INLINE_
void printf(BasicWriter< Char > &w, BasicCStringRef< Char > format, ArgList args)
Definition: format.h:3723
static void OutputXmlCDataSection(::std::ostream *stream, const char *data)
TimeInMillis elapsed_time() const
static const char kTypeParamLabel[]


ros_opcua_impl_freeopcua
Author(s): Denis Štogl
autogenerated on Tue Jan 19 2021 03:06:24