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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.
#ifndef BASE_TEST_NULL_TASK_RUNNER_H_
#define BASE_TEST_NULL_TASK_RUNNER_H_
#include "base/callback.h"
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/single_thread_task_runner.h"
namespace base {
// Helper class for tests that need to provide an implementation of a
// *TaskRunner class but don't actually care about tasks being run.
class NullTaskRunner : public base::SingleThreadTaskRunner {
public:
NullTaskRunner();
bool PostDelayedTask(const Location& from_here,
base::OnceClosure task,
base::TimeDelta delay) override;
bool PostNonNestableDelayedTask(const Location& from_here,
base::OnceClosure task,
base::TimeDelta delay) override;
// Always returns true to avoid triggering DCHECKs.
bool RunsTasksInCurrentSequence() const override;
protected:
~NullTaskRunner() override;
DISALLOW_COPY_AND_ASSIGN(NullTaskRunner);
};
} // namespace base
#endif // BASE_TEST_NULL_TASK_RUNNER_H_
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