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