content/renderer/scheduler_proxy_task_runner_browsertest.cc

   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