62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
// 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_THREADING_SEQUENCED_WORKER_POOL_UNITTEST_H_
|
|
#define BASE_THREADING_SEQUENCED_WORKER_POOL_UNITTEST_H_
|
|
|
|
#include <cstddef>
|
|
#include <string>
|
|
|
|
#include "base/basictypes.h"
|
|
#include "base/callback.h"
|
|
#include "base/compiler_specific.h"
|
|
#include "base/memory/ref_counted.h"
|
|
#include "base/synchronization/lock.h"
|
|
#include "base/threading/sequenced_worker_pool.h"
|
|
|
|
namespace base {
|
|
|
|
class MessageLoop;
|
|
|
|
// Wrapper around SequencedWorkerPool for testing that blocks destruction
|
|
// until the pool is actually destroyed. This is so that a
|
|
// SequencedWorkerPool from one test doesn't outlive its test and cause
|
|
// strange races with other tests that touch global stuff (like histograms and
|
|
// logging). However, this requires that nothing else on this thread holds a
|
|
// ref to the pool when the SequencedWorkerPoolOwner is destroyed.
|
|
class SequencedWorkerPoolOwner : public SequencedWorkerPool::TestingObserver {
|
|
public:
|
|
SequencedWorkerPoolOwner(size_t max_threads,
|
|
const std::string& thread_name_prefix);
|
|
|
|
virtual ~SequencedWorkerPoolOwner();
|
|
|
|
// Don't change the returned pool's testing observer.
|
|
const scoped_refptr<SequencedWorkerPool>& pool();
|
|
|
|
// The given callback will be called on WillWaitForShutdown().
|
|
void SetWillWaitForShutdownCallback(const Closure& callback);
|
|
|
|
int has_work_call_count() const;
|
|
|
|
private:
|
|
// SequencedWorkerPool::TestingObserver implementation.
|
|
virtual void OnHasWork() OVERRIDE;
|
|
virtual void WillWaitForShutdown() OVERRIDE;
|
|
virtual void OnDestruct() OVERRIDE;
|
|
|
|
MessageLoop* const constructor_message_loop_;
|
|
scoped_refptr<SequencedWorkerPool> pool_;
|
|
Closure will_wait_for_shutdown_callback_;
|
|
|
|
mutable Lock has_work_lock_;
|
|
int has_work_call_count_;
|
|
|
|
DISALLOW_COPY_AND_ASSIGN(SequencedWorkerPoolOwner);
|
|
};
|
|
|
|
} // namespace base
|
|
|
|
#endif // BASE_THREADING_SEQUENCED_WORKER_POOL_UNITTEST_H_
|