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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "content/public/browser/content_browser_client.h"
      6 #include "content/public/common/content_client.h"
      7 #include "content/public/renderer/content_renderer_client.h"
      8 #include "content/renderer/render_process_impl.h"
      9 #include "content/renderer/render_thread_impl.h"
     10 #include "content/renderer/scheduler_proxy_task_runner.h"
     11 #include "content/test/mock_render_process.h"
     12 #include "testing/gtest/include/gtest/gtest.h"
     13 
     14 namespace content {
     15 namespace {
     16 
     17 void TestTask(int value, int* result) {
     18   *result = (*result << 4) | value;
     19 }
     20 
     21 }  // namespace
     22 
     23 class DummyListener : public IPC::Listener {
     24  public:
     25   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE {
     26     return true;
     27   }
     28 };
     29 
     30 TEST(SchedulerProxyTaskRunnerBrowserTest, TestTaskPosting) {
     31   ContentClient content_client;
     32   ContentBrowserClient content_browser_client;
     33   ContentRendererClient content_renderer_client;
     34   SetContentClient(&content_client);
     35   SetBrowserClientForTesting(&content_browser_client);
     36   SetRendererClientForTesting(&content_renderer_client);
     37   base::MessageLoopForIO message_loop;
     38 
     39   std::string channel_id =
     40       IPC::Channel::GenerateVerifiedChannelID(std::string());
     41   DummyListener dummy_listener;
     42   scoped_ptr<IPC::Channel> channel(
     43       IPC::Channel::CreateServer(channel_id, &dummy_listener));
     44   EXPECT_TRUE(channel->Connect());
     45 
     46   scoped_ptr<MockRenderProcess> mock_process(new MockRenderProcess);
     47   // Owned by mock_process.
     48   RenderThreadImpl* thread = new RenderThreadImpl(channel_id);
     49   thread->EnsureWebKitInitialized();
     50 
     51   scoped_refptr<base::SingleThreadTaskRunner> compositor_task_runner =
     52       thread->main_thread_compositor_task_runner();
     53 
     54   EXPECT_TRUE(compositor_task_runner->BelongsToCurrentThread());
     55 
     56   int compositor_order = 0;
     57   compositor_task_runner->PostTask(FROM_HERE,
     58                                    base::Bind(&TestTask, 1, &compositor_order));
     59   compositor_task_runner->PostTask(FROM_HERE,
     60                                    base::Bind(&TestTask, 2, &compositor_order));
     61   compositor_task_runner->PostTask(FROM_HERE,
     62                                    base::Bind(&TestTask, 3, &compositor_order));
     63   compositor_task_runner->PostTask(FROM_HERE,
     64                                    base::Bind(&TestTask, 4, &compositor_order));
     65 
     66   message_loop.RunUntilIdle();
     67 
     68   EXPECT_EQ(0x1234, compositor_order);
     69 }
     70 
     71 }  // namespace content
     72