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