content/renderer/render_thread_impl_browsertest.cc

   1 // Copyright 2013 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 "base/callback.h"
   6 #include "base/command_line.h"
   7 #include "base/location.h"
   8 #include "base/memory/discardable_memory.h"
   9 #include "base/memory/scoped_vector.h"
  10 #include "base/single_thread_task_runner.h"
  11 #include "base/strings/string_number_conversions.h"
  12 #include "base/thread_task_runner_handle.h"
  13 #include "content/common/in_process_child_thread_params.h"
  14 #include "content/common/resource_messages.h"
  15 #include "content/common/websocket_messages.h"
  16 #include "content/public/browser/content_browser_client.h"
  17 #include "content/public/common/content_client.h"
  18 #include "content/public/common/content_switches.h"
  19 #include "content/public/renderer/content_renderer_client.h"
  20 #include "content/renderer/render_process_impl.h"
  21 #include "content/renderer/render_thread_impl.h"
  22 #include "content/test/mock_render_process.h"
  23 #include "content/test/render_thread_impl_browser_test_ipc_helper.h"
  24 #include "gpu/GLES2/gl2extchromium.h"
  25 #include "testing/gtest/include/gtest/gtest.h"
  26
  27 // IPC messages for testing ----------------------------------------------------
  28
  29 #define IPC_MESSAGE_IMPL
  30 #include "ipc/ipc_message_macros.h"
  31
  32 #undef IPC_MESSAGE_START
  33 #define IPC_MESSAGE_START TestMsgStart
  34 IPC_MESSAGE_CONTROL0(TestMsg_QuitRunLoop)
  35
  36 // -----------------------------------------------------------------------------
  37
  38 // These tests leak memory, this macro disables the test when under the
  39 // LeakSanitizer.
  40 #ifdef LEAK_SANITIZER
  41 #define WILL_LEAK(NAME) DISABLED_##NAME
  42 #else
  43 #define WILL_LEAK(NAME) NAME
  44 #endif
  45
  46 namespace content {
  47 namespace {
  48
  49 // FIXME: It would be great if there was a reusable mock SingleThreadTaskRunner
  50 class TestTaskCounter : public base::SingleThreadTaskRunner {
  51  public:
  52   TestTaskCounter() : count_(0) {}
  53
  54   // SingleThreadTaskRunner implementation.
  55   bool PostDelayedTask(const tracked_objects::Location&,
  56                        const base::Closure&,
  57                        base::TimeDelta) override {
  58     base::AutoLock auto_lock(lock_);
  59     count_++;
  60     return true;
  61   }
  62
  63   bool PostNonNestableDelayedTask(const tracked_objects::Location&,
  64                                   const base::Closure&,
  65                                   base::TimeDelta) override {
  66     base::AutoLock auto_lock(lock_);
  67     count_++;
  68     return true;
  69   }
  70
  71   bool RunsTasksOnCurrentThread() const override { return true; }
  72
  73   int NumTasksPosted() const {
  74     base::AutoLock auto_lock(lock_);
  75     return count_;
  76   }
  77
  78  private:
  79   ~TestTaskCounter() override {}
  80
  81   mutable base::Lock lock_;
  82   int count_;
  83 };
  84
  85 #if defined(COMPILER_MSVC)
  86 // See explanation for other RenderViewHostImpl which is the same issue.
  87 #pragma warning(push)
  88 #pragma warning(disable: 4250)
  89 #endif
  90
  91 class RenderThreadImplForTest : public RenderThreadImpl {
  92  public:
  93   RenderThreadImplForTest(const InProcessChildThreadParams& params,
  94                           scoped_refptr<TestTaskCounter> test_task_counter)
  95       : RenderThreadImpl(params), test_task_counter_(test_task_counter) {}
  96
  97   ~RenderThreadImplForTest() override {}
  98
  99   void SetResourceDispatchTaskQueue(
 100       const scoped_refptr<base::SingleThreadTaskRunner>&) override {
 101     // Use our TestTaskCounter instead.
 102     RenderThreadImpl::SetResourceDispatchTaskQueue(test_task_counter_);
 103   }
 104
 105   using ChildThreadImpl::OnMessageReceived;
 106
 107  private:
 108   scoped_refptr<TestTaskCounter> test_task_counter_;
 109 };
 110
 111 #if defined(COMPILER_MSVC)
 112 #pragma warning(pop)
 113 #endif
 114
 115 void QuitTask(base::MessageLoop* message_loop) {
 116   message_loop->QuitWhenIdle();
 117 }
 118
 119 class QuitOnTestMsgFilter : public IPC::MessageFilter {
 120  public:
 121   explicit QuitOnTestMsgFilter(base::MessageLoop* message_loop)
 122       : message_loop_(message_loop) {}
 123
 124   // IPC::MessageFilter overrides:
 125   bool OnMessageReceived(const IPC::Message& message) override {
 126     message_loop_->task_runner()->PostTask(
 127         FROM_HERE, base::Bind(&QuitTask, message_loop_));
 128     return true;
 129   }
 130
 131   bool GetSupportedMessageClasses(
 132       std::vector<uint32>* supported_message_classes) const override {
 133     supported_message_classes->push_back(TestMsgStart);
 134     return true;
 135   }
 136
 137  private:
 138   ~QuitOnTestMsgFilter() override {}
 139
 140   base::MessageLoop* message_loop_;
 141 };
 142
 143 class RenderThreadImplBrowserTest : public testing::Test {
 144  public:
 145   void SetUp() override {
 146     content_client_.reset(new ContentClient());
 147     content_browser_client_.reset(new ContentBrowserClient());
 148     content_renderer_client_.reset(new ContentRendererClient());
 149     SetContentClient(content_client_.get());
 150     SetBrowserClientForTesting(content_browser_client_.get());
 151     SetRendererClientForTesting(content_renderer_client_.get());
 152
 153     test_helper_.reset(new RenderThreadImplBrowserIPCTestHelper());
 154
 155     mock_process_.reset(new MockRenderProcess);
 156     test_task_counter_ = make_scoped_refptr(new TestTaskCounter());
 157
 158     // RenderThreadImpl expects the browser to pass these flags.
 159     base::CommandLine* cmd = base::CommandLine::ForCurrentProcess();
 160     base::CommandLine::StringVector old_argv = cmd->argv();
 161
 162     cmd->AppendSwitchASCII(switches::kNumRasterThreads, "1");
 163     cmd->AppendSwitchASCII(switches::kContentImageTextureTarget,
 164                            base::UintToString(GL_TEXTURE_2D));
 165
 166     thread_ = new RenderThreadImplForTest(
 167         InProcessChildThreadParams(test_helper_->GetChannelId(),
 168                                    test_helper_->GetIOTaskRunner()),
 169         test_task_counter_);
 170     cmd->InitFromArgv(old_argv);
 171
 172     thread_->EnsureWebKitInitialized();
 173
 174     test_msg_filter_ = make_scoped_refptr(
 175         new QuitOnTestMsgFilter(test_helper_->GetMessageLoop()));
 176     thread_->AddFilter(test_msg_filter_.get());
 177   }
 178
 179   scoped_refptr<TestTaskCounter> test_task_counter_;
 180   scoped_ptr<ContentClient> content_client_;
 181   scoped_ptr<ContentBrowserClient> content_browser_client_;
 182   scoped_ptr<ContentRendererClient> content_renderer_client_;
 183   scoped_ptr<RenderThreadImplBrowserIPCTestHelper> test_helper_;
 184   scoped_ptr<MockRenderProcess> mock_process_;
 185   scoped_refptr<QuitOnTestMsgFilter> test_msg_filter_;
 186   RenderThreadImplForTest* thread_;  // Owned by mock_process_.
 187   std::string channel_id_;
 188 };
 189
 190 void CheckRenderThreadInputHandlerManager(RenderThreadImpl* thread) {
 191   ASSERT_TRUE(thread->input_handler_manager());
 192 }
 193
 194 // Check that InputHandlerManager outlives compositor thread because it uses
 195 // raw pointers to post tasks.
 196 // Disabled under LeakSanitizer due to memory leaks. http://crbug.com/348994
 197 TEST_F(RenderThreadImplBrowserTest,
 198        WILL_LEAK(InputHandlerManagerDestroyedAfterCompositorThread)) {
 199   ASSERT_TRUE(thread_->input_handler_manager());
 200
 201   thread_->compositor_task_runner()->PostTask(
 202       FROM_HERE, base::Bind(&CheckRenderThreadInputHandlerManager, thread_));
 203 }
 204
 205 // Disabled under LeakSanitizer due to memory leaks.
 206 TEST_F(RenderThreadImplBrowserTest,
 207        WILL_LEAK(ResourceDispatchIPCTasksGoThroughScheduler)) {
 208   test_helper_->Sender()->Send(new ResourceHostMsg_FollowRedirect(0));
 209   test_helper_->Sender()->Send(new TestMsg_QuitRunLoop());
 210
 211   test_helper_->GetMessageLoop()->Run();
 212   EXPECT_EQ(1, test_task_counter_->NumTasksPosted());
 213 }
 214
 215 // Disabled under LeakSanitizer due to memory leaks.
 216 TEST_F(RenderThreadImplBrowserTest,
 217        WILL_LEAK(NonResourceDispatchIPCTasksDontGoThroughScheduler)) {
 218   // NOTE other than not being a resource message, the actual message is
 219   // unimportant.
 220   test_helper_->Sender()->Send(new WebSocketMsg_NotifyFailure(1, ""));
 221   test_helper_->Sender()->Send(new TestMsg_QuitRunLoop());
 222
 223   test_helper_->GetMessageLoop()->Run();
 224
 225   EXPECT_EQ(0, test_task_counter_->NumTasksPosted());
 226 }
 227
 228 }  // namespace
 229 }  // namespace content