fc8dc48020
git-subtree-dir: third_party/abseil_cpp git-subtree-mainline:ffb2ae54begit-subtree-split:768eb2ca28
60 lines
1.7 KiB
C++
60 lines
1.7 KiB
C++
// Copyright 2017 The Abseil Authors.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// https://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#include "absl/base/config.h"
|
|
|
|
#include <cstdint>
|
|
|
|
#include "gtest/gtest.h"
|
|
#include "absl/synchronization/internal/thread_pool.h"
|
|
|
|
namespace {
|
|
|
|
TEST(ConfigTest, Endianness) {
|
|
union {
|
|
uint32_t value;
|
|
uint8_t data[sizeof(uint32_t)];
|
|
} number;
|
|
number.data[0] = 0x00;
|
|
number.data[1] = 0x01;
|
|
number.data[2] = 0x02;
|
|
number.data[3] = 0x03;
|
|
#if defined(ABSL_IS_LITTLE_ENDIAN) && defined(ABSL_IS_BIG_ENDIAN)
|
|
#error Both ABSL_IS_LITTLE_ENDIAN and ABSL_IS_BIG_ENDIAN are defined
|
|
#elif defined(ABSL_IS_LITTLE_ENDIAN)
|
|
EXPECT_EQ(UINT32_C(0x03020100), number.value);
|
|
#elif defined(ABSL_IS_BIG_ENDIAN)
|
|
EXPECT_EQ(UINT32_C(0x00010203), number.value);
|
|
#else
|
|
#error Unknown endianness
|
|
#endif
|
|
}
|
|
|
|
#if defined(ABSL_HAVE_THREAD_LOCAL)
|
|
TEST(ConfigTest, ThreadLocal) {
|
|
static thread_local int mine_mine_mine = 16;
|
|
EXPECT_EQ(16, mine_mine_mine);
|
|
{
|
|
absl::synchronization_internal::ThreadPool pool(1);
|
|
pool.Schedule([&] {
|
|
EXPECT_EQ(16, mine_mine_mine);
|
|
mine_mine_mine = 32;
|
|
EXPECT_EQ(32, mine_mine_mine);
|
|
});
|
|
}
|
|
EXPECT_EQ(16, mine_mine_mine);
|
|
}
|
|
#endif
|
|
|
|
} // namespace
|