chromium/base/synchronization/atomic_flag_unittest.cc

// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/synchronization/atomic_flag.h"

#include "base/check_op.h"
#include "base/functional/bind.h"
#include "base/synchronization/waitable_event.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/gtest_util.h"
#include "base/threading/platform_thread.h"
#include "base/threading/thread.h"
#include "build/build_config.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace base {

namespace {

void ExpectSetFlagDeath(AtomicFlag* flag) { … }

// Busy waits (to explicitly avoid using synchronization constructs that would
// defeat the purpose of testing atomics) until |tested_flag| is set and then
// verifies that non-atomic |*expected_after_flag| is true and sets |*done_flag|
// before returning if it's non-null.
void BusyWaitUntilFlagIsSet(AtomicFlag* tested_flag, bool* expected_after_flag,
                            AtomicFlag* done_flag) { … }

}  // namespace

TEST(AtomicFlagTest, SimpleSingleThreadedTest) { … }

TEST(AtomicFlagTest, DoubleSetTest) { … }

TEST(AtomicFlagTest, ReadFromDifferentThread) { … }

TEST(AtomicFlagTest, SetOnDifferentSequenceDeathTest) { … }

}  // namespace base