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// Copyright (c) 2011 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.
#ifndef BASE_TEST_THREAD_TEST_HELPER_H_
#define BASE_TEST_THREAD_TEST_HELPER_H_
#include "base/compiler_specific.h"
#include "base/memory/ref_counted.h"
#include "base/message_loop/message_loop_proxy.h"
#include "base/synchronization/waitable_event.h"
namespace base {
// Helper class that executes code on a given thread while blocking on the
// invoking thread. To use, derive from this class and overwrite RunTest. An
// alternative use of this class is to use it directly. It will then block
// until all pending tasks on a given thread have been executed.
class ThreadTestHelper : public RefCountedThreadSafe<ThreadTestHelper> {
public:
explicit ThreadTestHelper(
const scoped_refptr<MessageLoopProxy>& target_thread);
// True if RunTest() was successfully executed on the target thread.
bool Run() WARN_UNUSED_RESULT;
virtual void RunTest();
protected:
friend class RefCountedThreadSafe<ThreadTestHelper>;
virtual ~ThreadTestHelper();
// Use this method to store the result of RunTest().
void set_test_result(bool test_result) { test_result_ = test_result; }
private:
void RunInThread();
bool test_result_;
scoped_refptr<MessageLoopProxy> target_thread_;
WaitableEvent done_event_;
DISALLOW_COPY_AND_ASSIGN(ThreadTestHelper);
};
} // namespace base
#endif // BASE_TEST_THREAD_TEST_HELPER_H_
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