Expose WorkerPool to blink

third_party/WebKit/Source/platform/threading/BackgroundTaskRunnerTest.cpp

+// Copyright 2015 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.
+
+#include "config.h"
+#include "platform/threading/BackgroundTaskRunner.h"
+
+#include "platform/ThreadSafeFunctional.h"
+#include "public/platform/Platform.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+
+namespace {
+
+using namespace blink;
+
+void PingPongTask(WebWaitableEvent* doneEvent)
+{
+    doneEvent->signal();
+}
+
+class BackgroundTaskRunnerTest : public testing::Test {
+};
+
+TEST_F(BackgroundTaskRunnerTest, RunShortTaskOnBackgroundThread)
+{
+    OwnPtr<WebWaitableEvent> doneEvent = adoptPtr(Platform::current()->createWaitableEvent());
+    BackgroundTaskRunner::postOnBackgroundThread(threadSafeBind(&PingPongTask, AllowCrossThreadAccess(doneEvent.get())), BackgroundTaskRunner::TaskSizeShortRunningTask);
+    // Test passes by not hanging on the following wait().
+    doneEvent->wait();
+}
+
+TEST_F(BackgroundTaskRunnerTest, RunLongTaskOnBackgroundThread)
+{
+    OwnPtr<WebWaitableEvent> doneEvent = adoptPtr(Platform::current()->createWaitableEvent());
+    BackgroundTaskRunner::postOnBackgroundThread(threadSafeBind(&PingPongTask, AllowCrossThreadAccess(doneEvent.get())), BackgroundTaskRunner::TaskSizeLongRunningTask);
+    // Test passes by not hanging on the following wait().
+    doneEvent->wait();
+}
+
+} // unnamed namespace