e5ee78978060f7f57f78d85301d4900ec3e67563
[platform/framework/web/crosswalk.git] / src / cc / layers / io_surface_layer_impl_unittest.cc
1 // Copyright 2014 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/io_surface_layer_impl.h"
6
7 #include "cc/test/layer_test_common.h"
8 #include "testing/gtest/include/gtest/gtest.h"
9
10 namespace cc {
11 namespace {
12
13 TEST(IOSurfaceLayerImplTest, Occlusion) {
14   gfx::Size layer_size(1000, 1000);
15   gfx::Size viewport_size(1000, 1000);
16
17   LayerTestCommon::LayerImplTest impl;
18
19   IOSurfaceLayerImpl* io_surface_layer_impl =
20       impl.AddChildToRoot<IOSurfaceLayerImpl>();
21   io_surface_layer_impl->SetBounds(layer_size);
22   io_surface_layer_impl->SetContentBounds(layer_size);
23   io_surface_layer_impl->SetDrawsContent(true);
24
25   impl.CalcDrawProps(viewport_size);
26
27   {
28     SCOPED_TRACE("No occlusion");
29     gfx::Rect occluded;
30     impl.AppendQuadsWithOcclusion(io_surface_layer_impl, occluded);
31
32     LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(),
33                                                  gfx::Rect(layer_size));
34     EXPECT_EQ(1u, impl.quad_list().size());
35   }
36
37   {
38     SCOPED_TRACE("Full occlusion");
39     gfx::Rect occluded(io_surface_layer_impl->visible_content_rect());
40     impl.AppendQuadsWithOcclusion(io_surface_layer_impl, occluded);
41
42     LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), gfx::Rect());
43     EXPECT_EQ(impl.quad_list().size(), 0u);
44   }
45
46   {
47     SCOPED_TRACE("Partial occlusion");
48     gfx::Rect occluded(200, 0, 800, 1000);
49     impl.AppendQuadsWithOcclusion(io_surface_layer_impl, occluded);
50
51     size_t partially_occluded_count = 0;
52     LayerTestCommon::VerifyQuadsCoverRectWithOcclusion(
53         impl.quad_list(),
54         gfx::Rect(layer_size),
55         occluded,
56         &partially_occluded_count);
57     // The layer outputs one quad, which is partially occluded.
58     EXPECT_EQ(1u, impl.quad_list().size());
59     EXPECT_EQ(1u, partially_occluded_count);
60   }
61 }
62
63 }  // namespace
64 }  // namespace cc