base/config_test.cc
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1 // Copyright 2017 The Abseil Authors.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // https://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #include "absl/base/config.h"
16 
17 #include <cstdint>
18 
19 #include "gtest/gtest.h"
21 
22 namespace {
23 
24 TEST(ConfigTest, Endianness) {
25  union {
26  uint32_t value;
27  uint8_t data[sizeof(uint32_t)];
28  } number;
29  number.data[0] = 0x00;
30  number.data[1] = 0x01;
31  number.data[2] = 0x02;
32  number.data[3] = 0x03;
33 #if defined(ABSL_IS_LITTLE_ENDIAN) && defined(ABSL_IS_BIG_ENDIAN)
34 #error Both ABSL_IS_LITTLE_ENDIAN and ABSL_IS_BIG_ENDIAN are defined
35 #elif defined(ABSL_IS_LITTLE_ENDIAN)
36  EXPECT_EQ(UINT32_C(0x03020100), number.value);
37 #elif defined(ABSL_IS_BIG_ENDIAN)
38  EXPECT_EQ(UINT32_C(0x00010203), number.value);
39 #else
40 #error Unknown endianness
41 #endif
42 }
43 
44 #if defined(ABSL_HAVE_THREAD_LOCAL)
45 TEST(ConfigTest, ThreadLocal) {
46  static thread_local int mine_mine_mine = 16;
47  EXPECT_EQ(16, mine_mine_mine);
48  {
50  pool.Schedule([&] {
51  EXPECT_EQ(16, mine_mine_mine);
52  mine_mine_mine = 32;
53  EXPECT_EQ(32, mine_mine_mine);
54  });
55  }
56  EXPECT_EQ(16, mine_mine_mine);
57 }
58 #endif
59 
60 } // namespace
size_t value
static char data[kDataSize]
Definition: city_test.cc:31
TEST(Symbolize, Unimplemented)


abseil_cpp
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autogenerated on Mon Feb 28 2022 21:31:18