113 lines
3.1 KiB
C++
113 lines
3.1 KiB
C++
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/threading/worker_pool.h"
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#include "base/bind.h"
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#include "base/bind_helpers.h"
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#include "base/location.h"
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#include "base/message_loop/message_loop.h"
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#include "base/run_loop.h"
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#include "base/synchronization/waitable_event.h"
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#include "base/test/test_timeouts.h"
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#include "base/threading/thread_checker_impl.h"
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#include "base/time/time.h"
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#include "testing/gtest/include/gtest/gtest.h"
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#include "testing/platform_test.h"
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typedef PlatformTest WorkerPoolTest;
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namespace base {
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namespace {
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class PostTaskAndReplyTester
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: public base::RefCountedThreadSafe<PostTaskAndReplyTester> {
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public:
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PostTaskAndReplyTester() : finished_(false), test_event_(false, false) {}
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void RunTest() {
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ASSERT_TRUE(thread_checker_.CalledOnValidThread());
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WorkerPool::PostTaskAndReply(
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FROM_HERE,
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base::Bind(&PostTaskAndReplyTester::OnWorkerThread, this),
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base::Bind(&PostTaskAndReplyTester::OnOriginalThread, this),
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false);
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test_event_.Wait();
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}
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void OnWorkerThread() {
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// We're not on the original thread.
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EXPECT_FALSE(thread_checker_.CalledOnValidThread());
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test_event_.Signal();
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}
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void OnOriginalThread() {
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EXPECT_TRUE(thread_checker_.CalledOnValidThread());
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finished_ = true;
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}
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bool finished() const {
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return finished_;
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}
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private:
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friend class base::RefCountedThreadSafe<PostTaskAndReplyTester>;
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~PostTaskAndReplyTester() {}
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bool finished_;
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WaitableEvent test_event_;
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// The Impl version performs its checks even in release builds.
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ThreadCheckerImpl thread_checker_;
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};
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} // namespace
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TEST_F(WorkerPoolTest, PostTask) {
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WaitableEvent test_event(false, false);
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WaitableEvent long_test_event(false, false);
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WorkerPool::PostTask(FROM_HERE,
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base::Bind(&WaitableEvent::Signal,
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base::Unretained(&test_event)),
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false);
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WorkerPool::PostTask(FROM_HERE,
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base::Bind(&WaitableEvent::Signal,
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base::Unretained(&long_test_event)),
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true);
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test_event.Wait();
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long_test_event.Wait();
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}
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#if defined(OS_WIN) || defined(OS_LINUX)
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// Flaky on Windows and Linux (http://crbug.com/130337)
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#define MAYBE_PostTaskAndReply DISABLED_PostTaskAndReply
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#else
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#define MAYBE_PostTaskAndReply PostTaskAndReply
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#endif
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TEST_F(WorkerPoolTest, MAYBE_PostTaskAndReply) {
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MessageLoop message_loop;
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scoped_refptr<PostTaskAndReplyTester> tester(new PostTaskAndReplyTester());
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tester->RunTest();
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const TimeDelta kMaxDuration = TestTimeouts::tiny_timeout();
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TimeTicks start = TimeTicks::Now();
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while (!tester->finished() && TimeTicks::Now() - start < kMaxDuration) {
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#if defined(OS_IOS)
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// Ensure that the other thread has a chance to run even on a single-core
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// device.
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pthread_yield_np();
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#endif
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RunLoop().RunUntilIdle();
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}
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EXPECT_TRUE(tester->finished());
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}
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} // namespace base
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