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(
  54         EXPECT_TRUE(LayerTreesMatch(layer_impl->children()[i],
  55                                     layer->children()[i])));
  56   }
  57
  58   return true;
  59 #undef RETURN_IF_EXPECTATION_FAILS
  60 }
  61
  62 }  // namespace
  63
  64 class LayerTreeJsonParserSanityCheck : public testing::Test {
  65 };
  66
  67 TEST_F(LayerTreeJsonParserSanityCheck, Basic) {
  68   FakeImplProxy proxy;
  69   TestSharedBitmapManager shared_bitmap_manager;
  70   FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
  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);
  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   FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
 100   LayerTreeImpl* tree = host_impl.active_tree();
 101
 102   scoped_ptr<LayerImpl> root_impl(LayerImpl::Create(tree, 1));
 103   scoped_ptr<LayerImpl> touch_layer(LayerImpl::Create(tree, 2));
 104
 105   root_impl->SetBounds(gfx::Size(100, 100));
 106   touch_layer->SetBounds(gfx::Size(50, 50));
 107
 108   Region touch_region;
 109   touch_region.Union(gfx::Rect(10, 10, 20, 30));
 110   touch_region.Union(gfx::Rect(40, 10, 20, 20));
 111   touch_layer->SetTouchEventHandlerRegion(touch_region);
 112
 113   root_impl->AddChild(touch_layer.Pass());
 114   tree->SetRootLayer(root_impl.Pass());
 115
 116   std::string json = host_impl.LayerTreeAsJson();
 117   scoped_refptr<Layer> root = ParseTreeFromJson(json, NULL);
 118   ASSERT_TRUE(root);
 119   EXPECT_TRUE(LayerTreesMatch(host_impl.RootLayer(), root.get()));
 120 }
 121
 122 }  // namespace cc