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 "testing/gtest/include/gtest/gtest.h"
  13
  14 namespace cc {
  15
  16 namespace {
  17
  18 bool LayerTreesMatch(LayerImpl* const layer_impl,
  19                      Layer* const layer) {
  20 #define RETURN_IF_EXPECTATION_FAILS(exp) \
  21   do { \
  22     exp; \
  23     if (testing::UnitTest::GetInstance()->current_test_info()-> \
  24             result()->Failed()) \
  25       return false; \
  26   } while (0)
  27
  28   RETURN_IF_EXPECTATION_FAILS(EXPECT_EQ(layer_impl->children().size(),
  29                                         layer->children().size()));
  30   RETURN_IF_EXPECTATION_FAILS(EXPECT_SIZE_EQ(layer_impl->bounds(),
  31                                              layer->bounds()));
  32   RETURN_IF_EXPECTATION_FAILS(EXPECT_POINT_EQ(layer_impl->position(),
  33                                               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   FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
  70   LayerTreeImpl* tree = host_impl.active_tree();
  71
  72   scoped_ptr<LayerImpl> root_impl(LayerImpl::Create(tree, 1));
  73   scoped_ptr<LayerImpl> parent(LayerImpl::Create(tree, 2));
  74   scoped_ptr<LayerImpl> child(LayerImpl::Create(tree, 3));
  75
  76   root_impl->SetBounds(gfx::Size(100, 100));
  77   parent->SetBounds(gfx::Size(50, 50));
  78   child->SetBounds(gfx::Size(40, 40));
  79
  80   parent->SetPosition(gfx::Point(25, 25));
  81
  82   child->SetHaveWheelEventHandlers(true);
  83   child->SetHaveScrollEventHandlers(true);
  84
  85   parent->AddChild(child.Pass());
  86   root_impl->AddChild(parent.Pass());
  87   tree->SetRootLayer(root_impl.Pass());
  88
  89   std::string json = host_impl.LayerTreeAsJson();
  90   scoped_refptr<Layer> root = ParseTreeFromJson(json, NULL);
  91   ASSERT_TRUE(root.get());
  92   EXPECT_TRUE(LayerTreesMatch(host_impl.RootLayer(), root.get()));
  93 }
  94
  95 TEST_F(LayerTreeJsonParserSanityCheck, EventHandlerRegions) {
  96   FakeImplProxy proxy;
  97   TestSharedBitmapManager shared_bitmap_manager;
  98   FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
  99   LayerTreeImpl* tree = host_impl.active_tree();
 100
 101   scoped_ptr<LayerImpl> root_impl(LayerImpl::Create(tree, 1));
 102   scoped_ptr<LayerImpl> touch_layer(LayerImpl::Create(tree, 2));
 103
 104   root_impl->SetBounds(gfx::Size(100, 100));
 105   touch_layer->SetBounds(gfx::Size(50, 50));
 106
 107   Region touch_region;
 108   touch_region.Union(gfx::Rect(10, 10, 20, 30));
 109   touch_region.Union(gfx::Rect(40, 10, 20, 20));
 110   touch_layer->SetTouchEventHandlerRegion(touch_region);
 111
 112   root_impl->AddChild(touch_layer.Pass());
 113   tree->SetRootLayer(root_impl.Pass());
 114
 115   std::string json = host_impl.LayerTreeAsJson();
 116   scoped_refptr<Layer> root = ParseTreeFromJson(json, NULL);
 117   ASSERT_TRUE(root.get());
 118   EXPECT_TRUE(LayerTreesMatch(host_impl.RootLayer(), root.get()));
 119 }
 120
 121 }  // namespace cc