chromium/third_party/abseil-cpp/absl/synchronization/internal/per_thread_sem_test.cc

// 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/synchronization/internal/per_thread_sem.h"

#include <atomic>
#include <condition_variable>  // NOLINT(build/c++11)
#include <functional>
#include <limits>
#include <mutex>               // NOLINT(build/c++11)
#include <string>
#include <thread>              // NOLINT(build/c++11)

#include "gtest/gtest.h"
#include "absl/base/config.h"
#include "absl/base/internal/cycleclock.h"
#include "absl/base/internal/thread_identity.h"
#include "absl/strings/str_cat.h"
#include "absl/time/clock.h"
#include "absl/time/time.h"

// In this test we explicitly avoid the use of synchronization
// primitives which might use PerThreadSem, most notably absl::Mutex.

namespace absl {
ABSL_NAMESPACE_BEGIN
namespace synchronization_internal {

class SimpleSemaphore { … };

struct ThreadData { … };

// Need friendship with PerThreadSem.
class PerThreadSemTest : public testing::Test { … };

namespace {

TEST_F(PerThreadSemTest, WithoutTimeout) { … }

TEST_F(PerThreadSemTest, WithTimeout) { … }

TEST_F(PerThreadSemTest, Timeouts) { … }

TEST_F(PerThreadSemTest, ThreadIdentityReuse) { … }

}  // namespace

}  // namespace synchronization_internal
ABSL_NAMESPACE_END
}  // namespace absl