webrtc/rtc_base/task_queue_for_test.h
Sebastian Jansson 3ba5b9e5c6 Allow construction of TaskQueueForTest with TaskQueueBase
Bug: webrtc:10365
Change-Id: I1f19cdc2032e57bb552a98cb9fb8dc03282713bf
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/127892
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Sebastian Jansson <srte@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27220}
2019-03-21 11:22:21 +00:00

63 lines
2.2 KiB
C++

/*
* Copyright 2018 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef RTC_BASE_TASK_QUEUE_FOR_TEST_H_
#define RTC_BASE_TASK_QUEUE_FOR_TEST_H_
#include <utility>
#include "absl/strings/string_view.h"
#include "rtc_base/checks.h"
#include "rtc_base/event.h"
#include "rtc_base/task_queue.h"
#include "rtc_base/task_utils/to_queued_task.h"
#include "rtc_base/thread_annotations.h"
namespace webrtc {
class RTC_LOCKABLE TaskQueueForTest : public rtc::TaskQueue {
public:
using rtc::TaskQueue::TaskQueue;
explicit TaskQueueForTest(absl::string_view name = "TestQueue",
Priority priority = Priority::NORMAL);
TaskQueueForTest(const TaskQueueForTest&) = delete;
TaskQueueForTest& operator=(const TaskQueueForTest&) = delete;
~TaskQueueForTest() = default;
// A convenience, test-only method that blocks the current thread while
// a task executes on the task queue.
// This variant is specifically for posting custom QueuedTask derived
// implementations that tests do not want to pass ownership of over to the
// task queue (i.e. the Run() method always returns |false|.).
template <class Closure>
void SendTask(Closure* task) {
RTC_DCHECK(!IsCurrent());
rtc::Event event;
PostTask(ToQueuedTask(
[&task] { RTC_CHECK_EQ(false, static_cast<QueuedTask*>(task)->Run()); },
[&event] { event.Set(); }));
event.Wait(rtc::Event::kForever);
}
// A convenience, test-only method that blocks the current thread while
// a task executes on the task queue.
template <class Closure>
void SendTask(Closure&& task) {
RTC_DCHECK(!IsCurrent());
rtc::Event event;
PostTask(
ToQueuedTask(std::forward<Closure>(task), [&event] { event.Set(); }));
event.Wait(rtc::Event::kForever);
}
};
} // namespace webrtc
#endif // RTC_BASE_TASK_QUEUE_FOR_TEST_H_