cc/test/layer_tree_json_parser_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/test/layer_tree_json_parser.h"
   6
   7 #include "cc/layers/layer.h"
   8 #include "cc/test/fake_impl_proxy.h"
   9 #include "cc/test/fake_layer_tree_host.h"
  10 #include "cc/test/fake_layer_tree_host_impl.h"
  11 #include "cc/test/geometry_test_utils.h"
  12 #include "cc/test/test_task_graph_runner.h"
  13 #include "testing/gtest/include/gtest/gtest.h"
  14
  15 namespace cc {
  16
  17 namespace {
  18
  19 bool LayerTreesMatch(LayerImpl* const layer_impl,
  20                      Layer* const layer) {
  21 #define RETURN_IF_EXPECTATION_FAILS(exp) \
  22   do { \
  23     exp; \
  24     if (testing::UnitTest::GetInstance()->current_test_info()-> \
  25             result()->Failed()) \
  26       return false; \
  27   } while (0)
  28
  29   RETURN_IF_EXPECTATION_FAILS(EXPECT_EQ(layer_impl->children().size(),
  30                                         layer->children().size()));
  31   RETURN_IF_EXPECTATION_FAILS(EXPECT_EQ(layer_impl->bounds(), layer->bounds()));
  32   RETURN_IF_EXPECTATION_FAILS(
  33       EXPECT_EQ(layer_impl->position(), layer->position()));
  34   RETURN_IF_EXPECTATION_FAILS(EXPECT_TRANSFORMATION_MATRIX_EQ(
  35       layer_impl->transform(), layer->transform()));
  36   RETURN_IF_EXPECTATION_FAILS(EXPECT_EQ(layer_impl->contents_opaque(),
  37                                         layer->contents_opaque()));
  38   RETURN_IF_EXPECTATION_FAILS(EXPECT_EQ(layer_impl->scrollable(),
  39                                         layer->scrollable()));
  40   RETURN_IF_EXPECTATION_FAILS(EXPECT_FLOAT_EQ(layer_impl->opacity(),
  41                                               layer->opacity()));
  42   RETURN_IF_EXPECTATION_FAILS(EXPECT_EQ(layer_impl->have_wheel_event_handlers(),
  43                                         layer->have_wheel_event_handlers()));
  44   RETURN_IF_EXPECTATION_FAILS(
  45       EXPECT_EQ(layer_impl->have_scroll_event_handlers(),
  46                 layer->have_scroll_event_handlers()));
  47   RETURN_IF_EXPECTATION_FAILS(
  48       EXPECT_EQ(layer_impl->touch_event_handler_region(),
  49                 layer->touch_event_handler_region()));
  50
  51   for (size_t i = 0; i < layer_impl->children().size(); ++i) {
  52     RETURN_IF_EXPECTATION_FAILS(EXPECT_TRUE(LayerTreesMatch(
  53         layer_impl->children()[i], layer->children()[i].get())));
  54   }
  55
  56   return true;
  57 #undef RETURN_IF_EXPECTATION_FAILS
  58 }
  59
  60 }  // namespace
  61
  62 class LayerTreeJsonParserSanityCheck : public testing::Test {
  63 };
  64
  65 TEST_F(LayerTreeJsonParserSanityCheck, Basic) {
  66   FakeImplProxy proxy;
  67   TestSharedBitmapManager shared_bitmap_manager;
  68   TestTaskGraphRunner task_graph_runner;
  69   FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager,
  70                                   &task_graph_runner);
  71   LayerTreeImpl* tree = host_impl.active_tree();
  72
  73   scoped_ptr<LayerImpl> root_impl(LayerImpl::Create(tree, 1));
  74   scoped_ptr<LayerImpl> parent(LayerImpl::Create(tree, 2));
  75   scoped_ptr<LayerImpl> child(LayerImpl::Create(tree, 3));
  76
  77   root_impl->SetBounds(gfx::Size(100, 100));
  78   parent->SetBounds(gfx::Size(50, 50));
  79   child->SetBounds(gfx::Size(40, 40));
  80
  81   parent->SetPosition(gfx::Point(25, 25));
  82
  83   child->SetHaveWheelEventHandlers(true);
  84   child->SetHaveScrollEventHandlers(true);
  85
  86   parent->AddChild(child.Pass());
  87   root_impl->AddChild(parent.Pass());
  88   tree->SetRootLayer(root_impl.Pass());
  89
  90   std::string json = host_impl.LayerTreeAsJson();
  91   scoped_refptr<Layer> root = ParseTreeFromJson(json, NULL);
  92   ASSERT_TRUE(root.get());
  93   EXPECT_TRUE(LayerTreesMatch(host_impl.RootLayer(), root.get()));
  94 }
  95
  96 TEST_F(LayerTreeJsonParserSanityCheck, EventHandlerRegions) {
  97   FakeImplProxy proxy;
  98   TestSharedBitmapManager shared_bitmap_manager;
  99   TestTaskGraphRunner task_graph_runner;
 100   FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager,
 101                                   &task_graph_runner);
 102   LayerTreeImpl* tree = host_impl.active_tree();
 103
 104   scoped_ptr<LayerImpl> root_impl(LayerImpl::Create(tree, 1));
 105   scoped_ptr<LayerImpl> touch_layer(LayerImpl::Create(tree, 2));
 106
 107   root_impl->SetBounds(gfx::Size(100, 100));
 108   touch_layer->SetBounds(gfx::Size(50, 50));
 109
 110   Region touch_region;
 111   touch_region.Union(gfx::Rect(10, 10, 20, 30));
 112   touch_region.Union(gfx::Rect(40, 10, 20, 20));
 113   touch_layer->SetTouchEventHandlerRegion(touch_region);
 114
 115   root_impl->AddChild(touch_layer.Pass());
 116   tree->SetRootLayer(root_impl.Pass());
 117
 118   std::string json = host_impl.LayerTreeAsJson();
 119   scoped_refptr<Layer> root = ParseTreeFromJson(json, NULL);
 120   ASSERT_TRUE(root.get());
 121   EXPECT_TRUE(LayerTreesMatch(host_impl.RootLayer(), root.get()));
 122 }
 123
 124 }  // namespace cc