picture_image_layer_impl_unittest.cc revision c2e0dbddbe15c98d52c4786dac06cb8952a8ae6d 
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/layers/picture_image_layer_impl.h"
6
7#include "cc/test/fake_impl_proxy.h"
8#include "cc/test/fake_layer_tree_host_impl.h"
9#include "cc/test/fake_output_surface.h"
10#include "cc/test/fake_picture_layer_tiling_client.h"
11#include "cc/test/impl_side_painting_settings.h"
12#include "cc/trees/layer_tree_impl.h"
13#include "testing/gtest/include/gtest/gtest.h"
14
15namespace cc {
16namespace {
17
18class TestablePictureImageLayerImpl : public PictureImageLayerImpl {
19 public:
20  TestablePictureImageLayerImpl(LayerTreeImpl* tree_impl, int id)
21      : PictureImageLayerImpl(tree_impl, id) {
22  }
23  friend class PictureImageLayerImplTest;
24};
25
26class PictureImageLayerImplTest : public testing::Test {
27 public:
28  PictureImageLayerImplTest()
29      : host_impl_(ImplSidePaintingSettings(), &proxy_) {
30    tiling_client_.SetTileSize(ImplSidePaintingSettings().default_tile_size);
31    host_impl_.CreatePendingTree();
32    host_impl_.InitializeRenderer(CreateFakeOutputSurface());
33  }
34
35  scoped_ptr<TestablePictureImageLayerImpl> CreateLayer(int id) {
36    TestablePictureImageLayerImpl* layer =
37        new TestablePictureImageLayerImpl(host_impl_.pending_tree(), id);
38    layer->SetBounds(gfx::Size(100, 200));
39    layer->tilings_.reset(new PictureLayerTilingSet(&tiling_client_,
40                                                    layer->bounds()));
41    layer->pile_ = tiling_client_.pile();
42    return make_scoped_ptr(layer);
43  }
44
45  void UpdateDrawProperties() {
46    host_impl_.pending_tree()->UpdateDrawProperties();
47  }
48
49 private:
50  FakeImplProxy proxy_;
51  FakeLayerTreeHostImpl host_impl_;
52  FakePictureLayerTilingClient tiling_client_;
53};
54
55TEST_F(PictureImageLayerImplTest, CalculateContentsScale) {
56  scoped_ptr<TestablePictureImageLayerImpl> layer(CreateLayer(1));
57  layer->SetDrawsContent(true);
58
59  float contents_scale_x;
60  float contents_scale_y;
61  gfx::Size content_bounds;
62  layer->CalculateContentsScale(2.f, false,
63                                &contents_scale_x, &contents_scale_y,
64                                &content_bounds);
65  EXPECT_FLOAT_EQ(1.f, contents_scale_x);
66  EXPECT_FLOAT_EQ(1.f, contents_scale_y);
67  EXPECT_EQ(layer->bounds(), content_bounds);
68}
69
70TEST_F(PictureImageLayerImplTest, AreVisibleResourcesReady) {
71  scoped_ptr<TestablePictureImageLayerImpl> layer(CreateLayer(1));
72  layer->SetBounds(gfx::Size(100, 200));
73  layer->SetDrawsContent(true);
74
75  UpdateDrawProperties();
76
77  float contents_scale_x;
78  float contents_scale_y;
79  gfx::Size content_bounds;
80  layer->CalculateContentsScale(2.f, false,
81                                &contents_scale_x, &contents_scale_y,
82                                &content_bounds);
83  layer->UpdateTilePriorities();
84
85  EXPECT_TRUE(layer->AreVisibleResourcesReady());
86}
87
88}  // namespace
89}  // namespace cc
90