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(
  35       EXPECT_TRANSFORMATION_MATRIX_EQ(layer_impl->draw_transform(),
  36                                       layer->draw_transform()));
  37   RETURN_IF_EXPECTATION_FAILS(EXPECT_EQ(layer_impl->contents_opaque(),
  38                                         layer->contents_opaque()));
  39   RETURN_IF_EXPECTATION_FAILS(EXPECT_EQ(layer_impl->scrollable(),
  40                                         layer->scrollable()));
  41   RETURN_IF_EXPECTATION_FAILS(EXPECT_FLOAT_EQ(layer_impl->opacity(),
  42                                               layer->opacity()));
  43   RETURN_IF_EXPECTATION_FAILS(EXPECT_EQ(layer_impl->have_wheel_event_handlers(),
  44                                         layer->have_wheel_event_handlers()));
  45   RETURN_IF_EXPECTATION_FAILS(
  46       EXPECT_EQ(layer_impl->have_scroll_event_handlers(),
  47                 layer->have_scroll_event_handlers()));
  48   RETURN_IF_EXPECTATION_FAILS(
  49       EXPECT_EQ(layer_impl->touch_event_handler_region(),
  50                 layer->touch_event_handler_region()));
  51
  52   for (size_t i = 0; i < layer_impl->children().size(); ++i) {
  53     RETURN_IF_EXPECTATION_FAILS(EXPECT_TRUE(LayerTreesMatch(
  54         layer_impl->children()[i], layer->children()[i].get())));
  55   }
  56
  57   return true;
  58 #undef RETURN_IF_EXPECTATION_FAILS
  59 }
  60
  61 }  // namespace
  62
  63 class LayerTreeJsonParserSanityCheck : public testing::Test {
  64 };
  65
  66 TEST_F(LayerTreeJsonParserSanityCheck, Basic) {
  67   FakeImplProxy proxy;
  68   TestSharedBitmapManager shared_bitmap_manager;
  69   TestTaskGraphRunner task_graph_runner;
  70   FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager,
  71                                   &task_graph_runner);
  72   LayerTreeImpl* tree = host_impl.active_tree();
  73
  74   scoped_ptr<LayerImpl> root_impl(LayerImpl::Create(tree, 1));
  75   scoped_ptr<LayerImpl> parent(LayerImpl::Create(tree, 2));
  76   scoped_ptr<LayerImpl> child(LayerImpl::Create(tree, 3));
  77
  78   root_impl->SetBounds(gfx::Size(100, 100));
  79   parent->SetBounds(gfx::Size(50, 50));
  80   child->SetBounds(gfx::Size(40, 40));
  81
  82   parent->SetPosition(gfx::Point(25, 25));
  83
  84   child->SetHaveWheelEventHandlers(true);
  85   child->SetHaveScrollEventHandlers(true);
  86
  87   parent->AddChild(child.Pass());
  88   root_impl->AddChild(parent.Pass());
  89   tree->SetRootLayer(root_impl.Pass());
  90
  91   std::string json = host_impl.LayerTreeAsJson();
  92   scoped_refptr<Layer> root = ParseTreeFromJson(json, NULL);
  93   ASSERT_TRUE(root.get());
  94   EXPECT_TRUE(LayerTreesMatch(host_impl.RootLayer(), root.get()));
  95 }
  96
  97 TEST_F(LayerTreeJsonParserSanityCheck, EventHandlerRegions) {
  98   FakeImplProxy proxy;
  99   TestSharedBitmapManager shared_bitmap_manager;
 100   TestTaskGraphRunner task_graph_runner;
 101   FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager,
 102                                   &task_graph_runner);
 103   LayerTreeImpl* tree = host_impl.active_tree();
 104
 105   scoped_ptr<LayerImpl> root_impl(LayerImpl::Create(tree, 1));
 106   scoped_ptr<LayerImpl> touch_layer(LayerImpl::Create(tree, 2));
 107
 108   root_impl->SetBounds(gfx::Size(100, 100));
 109   touch_layer->SetBounds(gfx::Size(50, 50));
 110
 111   Region touch_region;
 112   touch_region.Union(gfx::Rect(10, 10, 20, 30));
 113   touch_region.Union(gfx::Rect(40, 10, 20, 20));
 114   touch_layer->SetTouchEventHandlerRegion(touch_region);
 115
 116   root_impl->AddChild(touch_layer.Pass());
 117   tree->SetRootLayer(root_impl.Pass());
 118
 119   std::string json = host_impl.LayerTreeAsJson();
 120   scoped_refptr<Layer> root = ParseTreeFromJson(json, NULL);
 121   ASSERT_TRUE(root.get());
 122   EXPECT_TRUE(LayerTreesMatch(host_impl.RootLayer(), root.get()));
 123 }
 124
 125 }  // namespace cc