destruction_guard_test.cpp
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00034 
00036 
00037 #include <gtest/gtest.h>
00038 #include <actionlib/destruction_guard.h>
00039 #include <boost/thread.hpp>
00040 #include <boost/bind.hpp>
00041 
00042 using namespace actionlib;
00043 
00044 class TestRunner : public testing::Test
00045 {
00046 public:
00047   TestRunner()
00048   : done_protecting_(false)
00049   {
00050   }
00051 
00052   void protectingThread()
00053   {
00054     DestructionGuard::ScopedProtector protector_1(guard_);
00055     EXPECT_TRUE(protector_1.isProtected());
00056 
00057     DestructionGuard::ScopedProtector protector_2(guard_);
00058     EXPECT_TRUE(protector_2.isProtected());
00059 
00060     // Let the main thread know that we've successfully created to protectors
00061     {
00062       boost::mutex::scoped_lock lock(mutex_);
00063       done_protecting_ = true;
00064       cond_.notify_all();
00065     }
00066 
00067     // Don't destruct the protectors immeadiately. Sleep for a little bit, and then destruct.
00068     //  This will force the main thread to have to wait in it's destruct() call
00069     printf("protecting thread is sleeping\n");
00070     usleep(5000000);
00071     printf("protecting thread is exiting\n");
00072   }
00073 
00074 protected:
00075   DestructionGuard guard_;
00076 
00077   bool done_protecting_;
00078   boost::mutex mutex_;
00079   boost::condition cond_;
00080 };
00081 
00082 
00083 TEST_F(TestRunner, threaded_test) {
00084   boost::thread spin_thread(boost::bind(&TestRunner::protectingThread, this));
00085 
00086   {
00087     boost::mutex::scoped_lock lock(mutex_);
00088     while (!done_protecting_) {
00089       cond_.timed_wait(lock, boost::posix_time::milliseconds(100.0f));
00090     }
00091   }
00092 
00093   printf("About to destruct\n");
00094   guard_.destruct();
00095   printf("Done destructing\n");
00096 
00097   // Already 'destructed', so protector should fail
00098   DestructionGuard::ScopedProtector protector(guard_);
00099   EXPECT_FALSE(protector.isProtected());
00100 
00101   spin_thread.join();
00102 }
00103 
00104 
00105 TEST(DestructionGuard, easy_test) {
00106   DestructionGuard guard;
00107 
00108   {
00109     DestructionGuard::ScopedProtector protector_1(guard);
00110     EXPECT_TRUE(protector_1.isProtected());
00111 
00112     DestructionGuard::ScopedProtector protector_2(guard);
00113     EXPECT_TRUE(protector_2.isProtected());
00114   }
00115 
00116   guard.destruct();
00117 
00118   {
00119     DestructionGuard::ScopedProtector protector_3(guard);
00120     EXPECT_FALSE(protector_3.isProtected());
00121   }
00122 }
00123 
00124 
00125 int main(int argc, char ** argv)
00126 {
00127   testing::InitGoogleTest(&argc, argv);
00128 
00129 
00130   return RUN_ALL_TESTS();
00131 }


actionlib
Author(s): Eitan Marder-Eppstein, Vijay Pradeep
autogenerated on Thu Sep 28 2017 02:51:16