Move WebGraphicsContext3D related tests from web/tests/ to platform/graphics/gpu/

Source/web/tests/DrawingBufferTest.cpp

Index: Source/web/tests/DrawingBufferTest.cpp
diff --git a/Source/web/tests/DrawingBufferTest.cpp b/Source/web/tests/DrawingBufferTest.cpp
deleted file mode 100644
index 0d0ac8f9a207533abcd9e65ec087f9b26f8f9476..0000000000000000000000000000000000000000
--- a/Source/web/tests/DrawingBufferTest.cpp
+++ /dev/null
@@ -1,247 +0,0 @@
-/*
- * Copyright (C) 2013 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-
-#include "platform/graphics/gpu/DrawingBuffer.h"
-
-#include "platform/graphics/ImageBuffer.h"
-#include "platform/graphics/UnacceleratedImageBufferSurface.h"
-#include "public/platform/Platform.h"
-#include "public/platform/WebExternalTextureMailbox.h"
-#include "web/tests/MockWebGraphicsContext3D.h"
-#include "wtf/RefPtr.h"
-
-#include <gmock/gmock.h>
-#include <gtest/gtest.h>
-
-using namespace WebCore;
-using namespace blink;
-using testing::Test;
-using testing::_;
-
-namespace {
-
-class FakeContextEvictionManager : public ContextEvictionManager {
-public:
-    void forciblyLoseOldestContext(const String& reason) { }
-    IntSize oldestContextSize() { return IntSize(); }
-};
-
-class WebGraphicsContext3DForTests : public MockWebGraphicsContext3D {
-public:
-    WebGraphicsContext3DForTests()
-        : MockWebGraphicsContext3D()
-        , m_boundTexture(0)
-        , m_currentMailboxByte(0) { }
-
-    virtual void bindTexture(WGC3Denum target, WebGLId texture)
-    {
-        if (target == GL_TEXTURE_2D) {
-            m_boundTexture = texture;
-        }
-    }
-
-    virtual void texImage2D(WGC3Denum target, WGC3Dint level, WGC3Denum internalformat, WGC3Dsizei width, WGC3Dsizei height, WGC3Dint border, WGC3Denum format, WGC3Denum type, const void* pixels)
-    {
-        if (target == GL_TEXTURE_2D && !level) {
-            m_textureSizes.set(m_boundTexture, IntSize(width, height));
-        }
-    }
-
-    virtual void genMailboxCHROMIUM(WGC3Dbyte* mailbox)
-    {
-        ++m_currentMailboxByte;
-        WebExternalTextureMailbox temp;
-        memset(mailbox, m_currentMailboxByte, sizeof(temp.name));
-    }
-
-    virtual void produceTextureCHROMIUM(WGC3Denum target, const WGC3Dbyte* mailbox)
-    {
-        ASSERT_EQ(target, static_cast<WGC3Denum>(GL_TEXTURE_2D));
-        m_mostRecentlyProducedSize = m_textureSizes.get(m_boundTexture);
-    }
-
-    IntSize mostRecentlyProducedSize()
-    {
-        return m_mostRecentlyProducedSize;
-    }
-
-private:
-    WebGLId m_boundTexture;
-    HashMap<WebGLId, IntSize> m_textureSizes;
-    WGC3Dbyte m_currentMailboxByte;
-    IntSize m_mostRecentlyProducedSize;
-};
-
-static const int initialWidth = 100;
-static const int initialHeight = 100;
-static const int alternateHeight = 50;
-
-} // namespace
-
-class DrawingBufferTest : public Test {
-protected:
-    virtual void SetUp()
-    {
-        RefPtr<FakeContextEvictionManager> contextEvictionManager = adoptRef(new FakeContextEvictionManager());
-        m_context = adoptPtr(new WebGraphicsContext3DForTests);
-        m_drawingBuffer = DrawingBuffer::create(m_context.get(), IntSize(initialWidth, initialHeight), DrawingBuffer::Preserve, contextEvictionManager.release());
-    }
-
-    WebGraphicsContext3DForTests* webContext()
-    {
-        return m_context.get();
-    }
-
-    OwnPtr<WebGraphicsContext3DForTests> m_context;
-    RefPtr<DrawingBuffer> m_drawingBuffer;
-};
-
-namespace {
-
-TEST_F(DrawingBufferTest, testPaintRenderingResultsToCanvas)
-{
-    OwnPtr<ImageBufferSurface> imageBufferSurface = adoptPtr(new UnacceleratedImageBufferSurface(IntSize(initialWidth, initialHeight)));
-    EXPECT_FALSE(!imageBufferSurface);
-    EXPECT_TRUE(imageBufferSurface->isValid());
-    OwnPtr<ImageBuffer> imageBuffer = ImageBuffer::create(imageBufferSurface.release());
-    EXPECT_FALSE(!imageBuffer);
-    EXPECT_FALSE(imageBuffer->isAccelerated());
-    EXPECT_FALSE(imageBuffer->bitmap().isNull());
-    m_drawingBuffer->paintRenderingResultsToCanvas(imageBuffer.get());
-    EXPECT_FALSE(imageBuffer->isAccelerated());
-    EXPECT_FALSE(imageBuffer->bitmap().isNull());
-}
-
-TEST_F(DrawingBufferTest, verifyNoNewBuffersAfterContextLostWithMailboxes)
-{
-    // Tell the buffer its contents changed and context was lost.
-    m_drawingBuffer->markContentsChanged();
-    m_drawingBuffer->releaseResources();
-
-    blink::WebExternalTextureMailbox mailbox;
-    EXPECT_FALSE(m_drawingBuffer->prepareMailbox(&mailbox, 0));
-}
-
-TEST_F(DrawingBufferTest, verifyResizingProperlyAffectsMailboxes)
-{
-    blink::WebExternalTextureMailbox mailbox;
-
-    IntSize initialSize(initialWidth, initialHeight);
-    IntSize alternateSize(initialWidth, alternateHeight);
-
-    // Produce one mailbox at size 100x100.
-    m_drawingBuffer->markContentsChanged();
-    EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox, 0));
-    EXPECT_EQ(initialSize, webContext()->mostRecentlyProducedSize());
-
-    // Resize to 100x50.
-    m_drawingBuffer->reset(IntSize(initialWidth, alternateHeight));
-    m_drawingBuffer->mailboxReleased(mailbox);
-
-    // Produce a mailbox at this size.
-    m_drawingBuffer->markContentsChanged();
-    EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox, 0));
-    EXPECT_EQ(alternateSize, webContext()->mostRecentlyProducedSize());
-
-    // Reset to initial size.
-    m_drawingBuffer->reset(IntSize(initialWidth, initialHeight));
-    m_drawingBuffer->mailboxReleased(mailbox);
-
-    // Prepare another mailbox and verify that it's the correct size.
-    m_drawingBuffer->markContentsChanged();
-    EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox, 0));
-    EXPECT_EQ(initialSize, webContext()->mostRecentlyProducedSize());
-
-    // Prepare one final mailbox and verify that it's the correct size.
-    m_drawingBuffer->mailboxReleased(mailbox);
-    m_drawingBuffer->markContentsChanged();
-    EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox, 0));
-    EXPECT_EQ(initialSize, webContext()->mostRecentlyProducedSize());
-}
-
-class TextureMailboxWrapper {
-public:
-    explicit TextureMailboxWrapper(const blink::WebExternalTextureMailbox& mailbox)
-        : m_mailbox(mailbox)
-    { }
-
-    bool operator==(const TextureMailboxWrapper& other) const
-    {
-        return !memcmp(m_mailbox.name, other.m_mailbox.name, sizeof(m_mailbox.name));
-    }
-
-private:
-    blink::WebExternalTextureMailbox m_mailbox;
-};
-
-TEST_F(DrawingBufferTest, verifyRecyclingMailboxesByFIFO)
-{
-    blink::WebExternalTextureMailbox mailbox1;
-    blink::WebExternalTextureMailbox mailbox2;
-    blink::WebExternalTextureMailbox mailbox3;
-
-    IntSize initialSize(initialWidth, initialHeight);
-
-    // Produce mailboxes.
-    m_drawingBuffer->markContentsChanged();
-    EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox1, 0));
-    m_drawingBuffer->markContentsChanged();
-    EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox2, 0));
-    m_drawingBuffer->markContentsChanged();
-    EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox3, 0));
-
-    // Release mailboxes by specific order; 2, 3, 1.
-    m_drawingBuffer->markContentsChanged();
-    m_drawingBuffer->mailboxReleased(mailbox2);
-    m_drawingBuffer->markContentsChanged();
-    m_drawingBuffer->mailboxReleased(mailbox3);
-    m_drawingBuffer->markContentsChanged();
-    m_drawingBuffer->mailboxReleased(mailbox1);
-
-    // The first recycled mailbox must be 2.
-    blink::WebExternalTextureMailbox recycledMailbox;
-    m_drawingBuffer->markContentsChanged();
-    EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&recycledMailbox, 0));
-    EXPECT_EQ(TextureMailboxWrapper(mailbox2), TextureMailboxWrapper(recycledMailbox));
-
-    // The second recycled mailbox must be 3.
-    m_drawingBuffer->markContentsChanged();
-    EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&recycledMailbox, 0));
-    EXPECT_EQ(TextureMailboxWrapper(mailbox3), TextureMailboxWrapper(recycledMailbox));
-
-    // The third recycled mailbox must be 1.
-    m_drawingBuffer->markContentsChanged();
-    EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&recycledMailbox, 0));
-    EXPECT_EQ(TextureMailboxWrapper(mailbox1), TextureMailboxWrapper(recycledMailbox));
-}
-
-} // namespace