TestStaticBackgroundTaskQueue.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "gtest/gtest.h"

#include "mozilla/StaticBackgroundTaskQueue.h"

#include "mozilla/SyncRunnable.h"

#include "nsThreadUtils.h"

namespace TestStaticBackgroundTaskQueue {

using namespace mozilla;

static already_AddRefed<nsISerialEventTarget> GetTestQueue() {

  static StaticBackgroundTaskQueue sQueue("TestStaticBackgroundTaskQueue");

  return sQueue.Get();

TEST(StaticBackgroundTaskQueue, GetAndDispatch)

  nsCOMPtr<nsISerialEventTarget> queue = GetTestQueue();

  ASSERT_TRUE(queue);

  nsCOMPtr<nsISerialEventTarget> queue2 = GetTestQueue();

  ASSERT_EQ(queue, queue2);

  ASSERT_TRUE(NS_IsMainThread());

  ASSERT_FALSE(queue->IsOnCurrentThread());

  bool didRun = false;

  RefPtr<SyncRunnable> syncWithThread = new SyncRunnable(

      NS_NewRunnableFunction("TestStaticBackgroundTaskQueue", [&] {

        EXPECT_FALSE(NS_IsMainThread());

        EXPECT_TRUE(queue->IsOnCurrentThread());

        didRun = true;

      }));

  ASSERT_TRUE(NS_SUCCEEDED(syncWithThread->DispatchToThread(queue)));

  ASSERT_TRUE(didRun);

}  // namespace TestStaticBackgroundTaskQueue