cc/heads_up_display_unittest.cc

   1 // Copyright 2012 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 "config.h"
   6
   7 #include "cc/heads_up_display_layer.h"
   8 #include "cc/layer.h"
   9 #include "cc/layer_tree_host.h"
  10 #include "cc/test/layer_tree_test_common.h"
  11
  12 using namespace cc;
  13 using namespace WebKitTests;
  14
  15 namespace {
  16
  17 class HeadsUpDisplayTest : public ThreadedTest {
  18 protected:
  19     virtual void initializeSettings(LayerTreeSettings& settings) OVERRIDE
  20     {
  21         // Enable the HUD without requiring text.
  22         settings.showPropertyChangedRects = true;
  23     }
  24 };
  25
  26 class DrawsContentLayer : public Layer {
  27 public:
  28     static scoped_refptr<DrawsContentLayer> create() { return make_scoped_refptr(new DrawsContentLayer()); }
  29     virtual bool drawsContent() const OVERRIDE { return true; }
  30
  31 private:
  32     DrawsContentLayer() : Layer() { }
  33     virtual ~DrawsContentLayer()
  34     {
  35     }
  36 };
  37
  38 class HudWithRootLayerChange : public HeadsUpDisplayTest {
  39 public:
  40     HudWithRootLayerChange()
  41         : m_rootLayer1(DrawsContentLayer::create())
  42         , m_rootLayer2(DrawsContentLayer::create())
  43         , m_numCommits(0)
  44     {
  45     }
  46
  47     virtual void beginTest() OVERRIDE
  48     {
  49         m_rootLayer1->setBounds(gfx::Size(30, 30));
  50         m_rootLayer2->setBounds(gfx::Size(30, 30));
  51
  52         postSetNeedsCommitToMainThread();
  53     }
  54
  55     virtual void didCommit() OVERRIDE
  56     {
  57         ++m_numCommits;
  58
  59         ASSERT_TRUE(m_layerTreeHost->hudLayer());
  60
  61         switch (m_numCommits) {
  62         case 1:
  63             // Change directly to a new root layer.
  64             m_layerTreeHost->setRootLayer(m_rootLayer1);
  65             break;
  66         case 2:
  67             EXPECT_EQ(m_rootLayer1.get(), m_layerTreeHost->hudLayer()->parent());
  68             // Unset the root layer.
  69             m_layerTreeHost->setRootLayer(0);
  70             break;
  71         case 3:
  72             EXPECT_EQ(0, m_layerTreeHost->hudLayer()->parent());
  73             // Change back to the previous root layer.
  74             m_layerTreeHost->setRootLayer(m_rootLayer1);
  75             break;
  76         case 4:
  77             EXPECT_EQ(m_rootLayer1.get(), m_layerTreeHost->hudLayer()->parent());
  78             // Unset the root layer.
  79             m_layerTreeHost->setRootLayer(0);
  80             break;
  81         case 5:
  82             EXPECT_EQ(0, m_layerTreeHost->hudLayer()->parent());
  83             // Change to a new root layer from a null root.
  84             m_layerTreeHost->setRootLayer(m_rootLayer2);
  85             break;
  86         case 6:
  87             EXPECT_EQ(m_rootLayer2.get(), m_layerTreeHost->hudLayer()->parent());
  88             // Change directly back to the last root layer/
  89             m_layerTreeHost->setRootLayer(m_rootLayer1);
  90             break;
  91         case 7:
  92             EXPECT_EQ(m_rootLayer1.get(), m_layerTreeHost->hudLayer()->parent());
  93             endTest();
  94             break;
  95         }
  96     }
  97
  98     virtual void afterTest() OVERRIDE
  99     {
 100     }
 101
 102 private:
 103     scoped_refptr<DrawsContentLayer> m_rootLayer1;
 104     scoped_refptr<DrawsContentLayer> m_rootLayer2;
 105     int m_numCommits;
 106 };
 107
 108 TEST_F(HudWithRootLayerChange, runMultiThread)
 109 {
 110     runTest(true);
 111 }
 112
 113 }  // anonymous namespace