cc/layers/ui_resource_layer_unittest.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 "cc/layers/ui_resource_layer.h"
   6
   7 #include "base/thread_task_runner_handle.h"
   8 #include "cc/resources/prioritized_resource_manager.h"
   9 #include "cc/resources/resource_provider.h"
  10 #include "cc/resources/resource_update_queue.h"
  11 #include "cc/resources/scoped_ui_resource.h"
  12 #include "cc/test/fake_layer_tree_host.h"
  13 #include "cc/test/fake_layer_tree_host_client.h"
  14 #include "cc/test/fake_output_surface.h"
  15 #include "cc/test/fake_output_surface_client.h"
  16 #include "cc/test/geometry_test_utils.h"
  17 #include "cc/trees/layer_tree_host.h"
  18 #include "cc/trees/occlusion_tracker.h"
  19 #include "cc/trees/single_thread_proxy.h"
  20 #include "testing/gmock/include/gmock/gmock.h"
  21 #include "testing/gtest/include/gtest/gtest.h"
  22 #include "third_party/skia/include/core/SkBitmap.h"
  23
  24 using ::testing::Mock;
  25 using ::testing::_;
  26 using ::testing::AtLeast;
  27 using ::testing::AnyNumber;
  28
  29 namespace cc {
  30 namespace {
  31
  32 class TestUIResourceLayer : public UIResourceLayer {
  33  public:
  34   static scoped_refptr<TestUIResourceLayer> Create(
  35       const LayerSettings& settings) {
  36     return make_scoped_refptr(new TestUIResourceLayer(settings));
  37   }
  38
  39   UIResourceId GetUIResourceId() {
  40     if (ui_resource_holder_)
  41       return ui_resource_holder_->id();
  42     return 0;
  43   }
  44
  45  protected:
  46   explicit TestUIResourceLayer(const LayerSettings& settings)
  47       : UIResourceLayer(settings) {
  48     SetIsDrawable(true);
  49   }
  50   ~TestUIResourceLayer() override {}
  51 };
  52
  53 class UIResourceLayerTest : public testing::Test {
  54  public:
  55   UIResourceLayerTest() : fake_client_(FakeLayerTreeHostClient::DIRECT_3D) {}
  56
  57  protected:
  58   void SetUp() override {
  59     layer_tree_host_ = FakeLayerTreeHost::Create(&fake_client_);
  60     layer_tree_host_->InitializeSingleThreaded(
  61         &fake_client_, base::ThreadTaskRunnerHandle::Get(), nullptr);
  62   }
  63
  64   void TearDown() override {
  65     Mock::VerifyAndClearExpectations(layer_tree_host_.get());
  66   }
  67
  68   FakeLayerTreeHostClient fake_client_;
  69   scoped_ptr<FakeLayerTreeHost> layer_tree_host_;
  70   LayerSettings layer_settings_;
  71 };
  72
  73 TEST_F(UIResourceLayerTest, SetBitmap) {
  74   scoped_refptr<UIResourceLayer> test_layer =
  75       TestUIResourceLayer::Create(layer_settings_);
  76   ASSERT_TRUE(test_layer.get());
  77   test_layer->SetBounds(gfx::Size(100, 100));
  78
  79   layer_tree_host_->SetRootLayer(test_layer);
  80   Mock::VerifyAndClearExpectations(layer_tree_host_.get());
  81   EXPECT_EQ(test_layer->layer_tree_host(), layer_tree_host_.get());
  82
  83   ResourceUpdateQueue queue;
  84   gfx::Rect screen_space_clip_rect;
  85   OcclusionTracker<Layer> occlusion_tracker(screen_space_clip_rect);
  86   test_layer->SavePaintProperties();
  87   test_layer->Update(&queue, &occlusion_tracker);
  88
  89   EXPECT_FALSE(test_layer->DrawsContent());
  90
  91   SkBitmap bitmap;
  92   bitmap.allocN32Pixels(10, 10);
  93   bitmap.setImmutable();
  94
  95   test_layer->SetBitmap(bitmap);
  96   test_layer->Update(&queue, &occlusion_tracker);
  97
  98   EXPECT_TRUE(test_layer->DrawsContent());
  99 }
 100
 101 TEST_F(UIResourceLayerTest, SetUIResourceId) {
 102   scoped_refptr<TestUIResourceLayer> test_layer =
 103       TestUIResourceLayer::Create(layer_settings_);
 104   ASSERT_TRUE(test_layer.get());
 105   test_layer->SetBounds(gfx::Size(100, 100));
 106
 107   layer_tree_host_->SetRootLayer(test_layer);
 108   Mock::VerifyAndClearExpectations(layer_tree_host_.get());
 109   EXPECT_EQ(test_layer->layer_tree_host(), layer_tree_host_.get());
 110
 111   ResourceUpdateQueue queue;
 112   gfx::Rect screen_space_clip_rect;
 113   OcclusionTracker<Layer> occlusion_tracker(screen_space_clip_rect);
 114   test_layer->SavePaintProperties();
 115   test_layer->Update(&queue, &occlusion_tracker);
 116
 117   EXPECT_FALSE(test_layer->DrawsContent());
 118
 119   bool is_opaque = false;
 120   scoped_ptr<ScopedUIResource> resource = ScopedUIResource::Create(
 121       layer_tree_host_.get(), UIResourceBitmap(gfx::Size(10, 10), is_opaque));
 122   test_layer->SetUIResourceId(resource->id());
 123   test_layer->Update(&queue, &occlusion_tracker);
 124
 125   EXPECT_TRUE(test_layer->DrawsContent());
 126
 127   // ID is preserved even when you set ID first and attach it to the tree.
 128   layer_tree_host_->SetRootLayer(nullptr);
 129   scoped_ptr<ScopedUIResource> shared_resource = ScopedUIResource::Create(
 130       layer_tree_host_.get(), UIResourceBitmap(gfx::Size(5, 5), is_opaque));
 131   test_layer->SetUIResourceId(shared_resource->id());
 132   layer_tree_host_->SetRootLayer(test_layer);
 133   EXPECT_EQ(shared_resource->id(), test_layer->GetUIResourceId());
 134   EXPECT_TRUE(test_layer->DrawsContent());
 135 }
 136
 137 TEST_F(UIResourceLayerTest, BitmapClearedOnSetUIResourceId) {
 138   scoped_refptr<UIResourceLayer> test_layer =
 139       TestUIResourceLayer::Create(layer_settings_);
 140   ASSERT_TRUE(test_layer.get());
 141   test_layer->SetBounds(gfx::Size(100, 100));
 142
 143   SkBitmap bitmap;
 144   bitmap.allocN32Pixels(10, 10);
 145   bitmap.setImmutable();
 146   ASSERT_FALSE(bitmap.isNull());
 147   ASSERT_TRUE(bitmap.pixelRef()->unique());
 148
 149   test_layer->SetBitmap(bitmap);
 150   ASSERT_FALSE(bitmap.pixelRef()->unique());
 151
 152   test_layer->SetUIResourceId(0);
 153   EXPECT_TRUE(bitmap.pixelRef()->unique());
 154 }
 155
 156 }  // namespace
 157 }  // namespace cc