src/third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridgeTest.cpp

   1 /*
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   3  *
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   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1.  Redistributions of source code must retain the above copyright
   8  *     notice, this list of conditions and the following disclaimer.
   9  * 2.  Redistributions in binary form must reproduce the above copyright
  10  *     notice, this list of conditions and the following disclaimer in the
  11  *     documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  16  * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  17  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  18  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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  20  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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  22  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  23  */
  24
  25 #include "config.h"
  26
  27 #include "platform/graphics/Canvas2DLayerBridge.h"
  28
  29 #include "SkDeferredCanvas.h"
  30 #include "SkSurface.h"
  31 #include "platform/graphics/ImageBuffer.h"
  32 #include "platform/graphics/test/MockWebGraphicsContext3D.h"
  33 #include "public/platform/Platform.h"
  34 #include "public/platform/WebExternalBitmap.h"
  35 #include "public/platform/WebGraphicsContext3DProvider.h"
  36 #include "public/platform/WebThread.h"
  37 #include "third_party/skia/include/core/SkDevice.h"
  38 #include "wtf/RefPtr.h"
  39
  40 #include <gmock/gmock.h>
  41 #include <gtest/gtest.h>
  42
  43 using namespace blink;
  44 using testing::InSequence;
  45 using testing::Return;
  46 using testing::Test;
  47
  48 namespace {
  49
  50 class MockCanvasContext : public MockWebGraphicsContext3D {
  51 public:
  52     MOCK_METHOD0(flush, void(void));
  53     MOCK_METHOD0(createTexture, unsigned(void));
  54     MOCK_METHOD1(deleteTexture, void(unsigned));
  55 };
  56
  57 class MockWebGraphicsContext3DProvider : public WebGraphicsContext3DProvider {
  58 public:
  59     MockWebGraphicsContext3DProvider(WebGraphicsContext3D* context3d)
  60         : m_context3d(context3d) { }
  61
  62     WebGraphicsContext3D* context3d()
  63     {
  64         return m_context3d;
  65     }
  66
  67     GrContext* grContext()
  68     {
  69         return 0;
  70     }
  71
  72 private:
  73     WebGraphicsContext3D* m_context3d;
  74 };
  75
  76 class Canvas2DLayerBridgePtr {
  77 public:
  78     Canvas2DLayerBridgePtr(PassRefPtr<Canvas2DLayerBridge> layerBridge)
  79         : m_layerBridge(layerBridge) { }
  80
  81     ~Canvas2DLayerBridgePtr()
  82     {
  83         m_layerBridge->beginDestruction();
  84     }
  85
  86     Canvas2DLayerBridge* operator->() { return m_layerBridge.get(); }
  87     Canvas2DLayerBridge* get() { return m_layerBridge.get(); }
  88
  89 private:
  90     RefPtr<Canvas2DLayerBridge> m_layerBridge;
  91 };
  92
  93 class NullWebExternalBitmap : public WebExternalBitmap {
  94 public:
  95     virtual WebSize size()
  96     {
  97         return WebSize();
  98     }
  99
 100     virtual void setSize(WebSize)
 101     {
 102     }
 103
 104     virtual uint8* pixels()
 105     {
 106         return 0;
 107     }
 108 };
 109
 110 } // namespace
 111
 112 class Canvas2DLayerBridgeTest : public Test {
 113 protected:
 114     void fullLifecycleTest()
 115     {
 116         MockCanvasContext mainMock;
 117         OwnPtr<MockWebGraphicsContext3DProvider> mainMockProvider = adoptPtr(new MockWebGraphicsContext3DProvider(&mainMock));
 118         RefPtr<SkSurface> surface = adoptRef(SkSurface::NewRasterPMColor(300, 150));
 119         OwnPtr<SkDeferredCanvas> canvas = adoptPtr(SkDeferredCanvas::Create(surface.get()));
 120
 121         ::testing::Mock::VerifyAndClearExpectations(&mainMock);
 122
 123         {
 124             Canvas2DLayerBridgePtr bridge(adoptRef(new Canvas2DLayerBridge(mainMockProvider.release(), canvas.release(), surface, 0, NonOpaque)));
 125
 126             ::testing::Mock::VerifyAndClearExpectations(&mainMock);
 127
 128             EXPECT_CALL(mainMock, flush());
 129             unsigned textureId = bridge->getBackingTexture();
 130             EXPECT_EQ(textureId, 0u);
 131
 132             ::testing::Mock::VerifyAndClearExpectations(&mainMock);
 133         } // bridge goes out of scope here
 134
 135         ::testing::Mock::VerifyAndClearExpectations(&mainMock);
 136     }
 137
 138     void prepareMailboxWithBitmapTest()
 139     {
 140         MockCanvasContext mainMock;
 141         RefPtr<SkSurface> surface = adoptRef(SkSurface::NewRasterPMColor(300, 150));
 142         OwnPtr<SkDeferredCanvas> canvas = adoptPtr(SkDeferredCanvas::Create(surface.get()));
 143         OwnPtr<MockWebGraphicsContext3DProvider> mainMockProvider = adoptPtr(new MockWebGraphicsContext3DProvider(&mainMock));
 144         Canvas2DLayerBridgePtr bridge(adoptRef(new Canvas2DLayerBridge(mainMockProvider.release(), canvas.release(), surface, 0, NonOpaque)));
 145         bridge->m_lastImageId = 1;
 146
 147         NullWebExternalBitmap bitmap;
 148         bridge->prepareMailbox(0, &bitmap);
 149         EXPECT_EQ(0u, bridge->m_lastImageId);
 150     }
 151 };
 152
 153 namespace {
 154
 155 TEST_F(Canvas2DLayerBridgeTest, testFullLifecycleSingleThreaded)
 156 {
 157     fullLifecycleTest();
 158 }
 159
 160 TEST_F(Canvas2DLayerBridgeTest, prepareMailboxWithBitmapTest)
 161 {
 162     prepareMailboxWithBitmapTest();
 163 }
 164
 165 } // namespace