src/third_party/WebKit/Source/web/tests/Canvas2DLayerBridgeTest.cpp

   1 /*
   2  * Copyright (C) 2011 Google Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   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;
  19  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  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 "public/platform/Platform.h"
  33 #include "public/platform/WebThread.h"
  34 #include "third_party/skia/include/core/SkDevice.h"
  35 #include "web/tests/MockWebGraphicsContext3D.h"
  36 #include "wtf/RefPtr.h"
  37
  38 #include <gmock/gmock.h>
  39 #include <gtest/gtest.h>
  40
  41 using namespace WebCore;
  42 using namespace blink;
  43 using testing::InSequence;
  44 using testing::Return;
  45 using testing::Test;
  46
  47 namespace {
  48
  49 class MockCanvasContext : public MockWebGraphicsContext3D {
  50 public:
  51     MOCK_METHOD0(flush, void(void));
  52     MOCK_METHOD0(createTexture, unsigned(void));
  53     MOCK_METHOD1(deleteTexture, void(unsigned));
  54 };
  55
  56 class Canvas2DLayerBridgePtr {
  57 public:
  58     Canvas2DLayerBridgePtr(PassRefPtr<Canvas2DLayerBridge> layerBridge)
  59         : m_layerBridge(layerBridge) { }
  60
  61     ~Canvas2DLayerBridgePtr()
  62     {
  63         m_layerBridge->beginDestruction();
  64     }
  65
  66     Canvas2DLayerBridge* operator->() { return m_layerBridge.get(); }
  67     Canvas2DLayerBridge* get() { return m_layerBridge.get(); }
  68
  69 private:
  70     RefPtr<Canvas2DLayerBridge> m_layerBridge;
  71 };
  72
  73 } // namespace
  74
  75 class Canvas2DLayerBridgeTest : public Test {
  76 protected:
  77     void fullLifecycleTest()
  78     {
  79         MockCanvasContext mainMock;
  80         RefPtr<GraphicsContext3D> mainContext = GraphicsContext3D::createContextSupport(&mainMock);
  81
  82         OwnPtr<SkDeferredCanvas> canvas = adoptPtr(SkDeferredCanvas::Create(SkSurface::NewRasterPMColor(300, 150)));
  83
  84         ::testing::Mock::VerifyAndClearExpectations(&mainMock);
  85
  86         {
  87             Canvas2DLayerBridgePtr bridge(adoptRef(new Canvas2DLayerBridge(mainContext.release(), canvas.release(), 0, NonOpaque)));
  88
  89             ::testing::Mock::VerifyAndClearExpectations(&mainMock);
  90
  91             EXPECT_CALL(mainMock, flush());
  92             unsigned textureId = bridge->getBackingTexture();
  93             EXPECT_EQ(textureId, 0u);
  94
  95             ::testing::Mock::VerifyAndClearExpectations(&mainMock);
  96         } // bridge goes out of scope here
  97
  98         ::testing::Mock::VerifyAndClearExpectations(&mainMock);
  99     }
 100 };
 101
 102 namespace {
 103
 104 TEST_F(Canvas2DLayerBridgeTest, testFullLifecycleSingleThreaded)
 105 {
 106     fullLifecycleTest();
 107 }
 108
 109 } // namespace