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