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/command_line.h"
   6 #include "base/memory/discardable_memory.h"
   7 #include "base/memory/scoped_vector.h"
   8 #include "content/public/browser/content_browser_client.h"
   9 #include "content/public/common/content_client.h"
  10 #include "content/public/common/content_switches.h"
  11 #include "content/public/renderer/content_renderer_client.h"
  12 #include "content/renderer/render_process_impl.h"
  13 #include "content/renderer/render_thread_impl.h"
  14 #include "content/test/mock_render_process.h"
  15 #include "testing/gtest/include/gtest/gtest.h"
  16
  17 namespace content {
  18 namespace {
  19
  20 class RenderThreadImplBrowserTest : public testing::Test {
  21  public:
  22   virtual ~RenderThreadImplBrowserTest() {}
  23 };
  24
  25 class DummyListener : public IPC::Listener {
  26  public:
  27   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE {
  28     return true;
  29   }
  30 };
  31
  32 void CheckRenderThreadInputHandlerManager(RenderThreadImpl* thread) {
  33   ASSERT_TRUE(thread->input_handler_manager());
  34 }
  35
  36 // Check that InputHandlerManager outlives compositor thread because it uses
  37 // raw pointers to post tasks.
  38 // Disabled under LeakSanitizer due to memory leaks. http://crbug.com/348994
  39 #if defined(LEAK_SANITIZER)
  40 #define MAYBE_InputHandlerManagerDestroyedAfterCompositorThread \
  41   DISABLED_InputHandlerManagerDestroyedAfterCompositorThread
  42 #else
  43 #define MAYBE_InputHandlerManagerDestroyedAfterCompositorThread \
  44   InputHandlerManagerDestroyedAfterCompositorThread
  45 #endif
  46 TEST_F(RenderThreadImplBrowserTest,
  47     MAYBE_InputHandlerManagerDestroyedAfterCompositorThread) {
  48   ContentClient content_client;
  49   ContentBrowserClient content_browser_client;
  50   ContentRendererClient content_renderer_client;
  51   SetContentClient(&content_client);
  52   SetBrowserClientForTesting(&content_browser_client);
  53   SetRendererClientForTesting(&content_renderer_client);
  54   base::MessageLoopForIO message_loop_;
  55
  56   std::string channel_id = IPC::Channel::GenerateVerifiedChannelID(
  57       std::string());
  58   DummyListener dummy_listener;
  59   scoped_ptr<IPC::Channel> channel(
  60       IPC::Channel::CreateServer(channel_id, &dummy_listener));
  61   ASSERT_TRUE(channel->Connect());
  62
  63   scoped_ptr<MockRenderProcess> mock_process(new MockRenderProcess);
  64   // Owned by mock_process.
  65   RenderThreadImpl* thread = new RenderThreadImpl(channel_id);
  66   thread->EnsureWebKitInitialized();
  67
  68   ASSERT_TRUE(thread->input_handler_manager());
  69
  70   thread->compositor_message_loop_proxy()->PostTask(
  71       FROM_HERE,
  72       base::Bind(&CheckRenderThreadInputHandlerManager, thread));
  73 }
  74
  75 // Checks that emulated discardable memory is discarded when the last widget
  76 // is hidden.
  77 // Disabled under LeakSanitizer due to memory leaks.
  78 #if defined(LEAK_SANITIZER)
  79 #define MAYBE_EmulatedDiscardableMemoryDiscardedWhenWidgetsHidden \
  80   DISABLED_EmulatedDiscardableMemoryDiscardedWhenWidgetsHidden
  81 #else
  82 #define MAYBE_EmulatedDiscardableMemoryDiscardedWhenWidgetsHidden \
  83   EmulatedDiscardableMemoryDiscardedWhenWidgetsHidden
  84 #endif
  85 TEST_F(RenderThreadImplBrowserTest,
  86        MAYBE_EmulatedDiscardableMemoryDiscardedWhenWidgetsHidden) {
  87   ContentClient content_client;
  88   ContentBrowserClient content_browser_client;
  89   ContentRendererClient content_renderer_client;
  90   SetContentClient(&content_client);
  91   SetBrowserClientForTesting(&content_browser_client);
  92   SetRendererClientForTesting(&content_renderer_client);
  93   base::MessageLoopForIO message_loop_;
  94
  95   std::string channel_id =
  96       IPC::Channel::GenerateVerifiedChannelID(std::string());
  97   DummyListener dummy_listener;
  98   scoped_ptr<IPC::Channel> channel(
  99       IPC::Channel::CreateServer(channel_id, &dummy_listener));
 100   ASSERT_TRUE(channel->Connect());
 101
 102   scoped_ptr<MockRenderProcess> mock_process(new MockRenderProcess);
 103   // Owned by mock_process.
 104   RenderThreadImpl* thread = new RenderThreadImpl(channel_id);
 105   thread->EnsureWebKitInitialized();
 106   thread->WidgetCreated();
 107
 108   // Allocate 128MB of discardable memory.
 109   ScopedVector<base::DiscardableMemory> discardable_memory;
 110   for (int i = 0; i < 32; ++i) {
 111     discardable_memory.push_back(
 112         base::DiscardableMemory::CreateLockedMemoryWithType(
 113             base::DISCARDABLE_MEMORY_TYPE_EMULATED, 4 * 1024 * 1024).release());
 114     ASSERT_TRUE(discardable_memory.back());
 115     discardable_memory.back()->Unlock();
 116   }
 117
 118   // Hide all widgets.
 119   thread->WidgetHidden();
 120
 121   // Count how much memory is left, should be at most one block.
 122   int blocks_left = 0;
 123   for (auto iter = discardable_memory.begin(); iter != discardable_memory.end();
 124        ++iter) {
 125     if ((*iter)->Lock() == base::DISCARDABLE_MEMORY_LOCK_STATUS_SUCCESS)
 126       ++blocks_left;
 127   }
 128   EXPECT_LE(blocks_left, 1);
 129
 130   thread->WidgetDestroyed();
 131 }
 132
 133 }  // namespace
 134 }  // namespace content