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Unified Diff: Source/core/platform/graphics/ImageFrameGeneratorTest.cpp

Issue 99103006: Moving GraphicsContext and dependencies from core to platform. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Final patch - fixes Android Created 7 years ago
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Index: Source/core/platform/graphics/ImageFrameGeneratorTest.cpp
diff --git a/Source/core/platform/graphics/ImageFrameGeneratorTest.cpp b/Source/core/platform/graphics/ImageFrameGeneratorTest.cpp
deleted file mode 100644
index 8c248c70b6d50e369f1f455f35a3011e97732027..0000000000000000000000000000000000000000
--- a/Source/core/platform/graphics/ImageFrameGeneratorTest.cpp
+++ /dev/null
@@ -1,469 +0,0 @@
-/*
- * Copyright (C) 2012 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:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. 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.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS 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 APPLE OR ITS 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 "core/platform/graphics/ImageFrameGenerator.h"
-
-#include "core/platform/graphics/ImageDecodingStore.h"
-#include "core/platform/graphics/test/MockImageDecoder.h"
-#include "platform/SharedBuffer.h"
-#include "platform/Task.h"
-#include "public/platform/Platform.h"
-#include "public/platform/WebThread.h"
-#include <gtest/gtest.h>
-
-namespace WebCore {
-
-namespace {
-
-// Helper methods to generate standard sizes.
-SkISize fullSize() { return SkISize::Make(100, 100); }
-SkISize scaledSize() { return SkISize::Make(50, 50); }
-
-} // namespace
-
-class ImageFrameGeneratorTest : public ::testing::Test, public MockImageDecoderClient {
-public:
- virtual void SetUp() OVERRIDE
- {
- ImageDecodingStore::initializeOnce();
- m_data = SharedBuffer::create();
- m_generator = ImageFrameGenerator::create(fullSize(), m_data, true);
- useMockImageDecoderFactory();
- m_decodersDestroyed = 0;
- m_frameBufferRequestCount = 0;
- m_status = ImageFrame::FrameEmpty;
- }
-
- virtual void TearDown() OVERRIDE
- {
- ImageDecodingStore::shutdown();
- }
-
- virtual void decoderBeingDestroyed() OVERRIDE
- {
- ++m_decodersDestroyed;
- }
-
- virtual void frameBufferRequested() OVERRIDE
- {
- ++m_frameBufferRequestCount;
- }
-
- virtual ImageFrame::Status status() OVERRIDE
- {
- ImageFrame::Status currentStatus = m_status;
- m_status = m_nextFrameStatus;
- return currentStatus;
- }
-
- virtual size_t frameCount() OVERRIDE { return 1; }
- virtual int repetitionCount() const OVERRIDE { return cAnimationNone; }
- virtual float frameDuration() const OVERRIDE { return 0; }
-
-protected:
- void useMockImageDecoderFactory()
- {
- m_generator->setImageDecoderFactory(MockImageDecoderFactory::create(this, fullSize()));
- }
-
- PassOwnPtr<ScaledImageFragment> createCompleteImage(const SkISize& size)
- {
- SkBitmap bitmap;
- bitmap.setConfig(SkBitmap::kARGB_8888_Config, size.width(), size.height());
- bitmap.allocPixels();
- return ScaledImageFragment::createComplete(size, 0, bitmap);
- }
-
- void addNewData()
- {
- m_data->append("g", 1);
- m_generator->setData(m_data, false);
- }
-
- void setFrameStatus(ImageFrame::Status status) { m_status = m_nextFrameStatus = status; }
- void setNextFrameStatus(ImageFrame::Status status) { m_nextFrameStatus = status; }
-
- SkBitmap::Allocator* allocator() const { return m_generator->allocator(); }
- void setAllocator(PassOwnPtr<SkBitmap::Allocator> allocator)
- {
- m_generator->setAllocator(allocator);
- }
-
- PassOwnPtr<ScaledImageFragment> decode(size_t index)
- {
- ImageDecoder* decoder = 0;
- return m_generator->decode(index, &decoder);
- }
-
- RefPtr<SharedBuffer> m_data;
- RefPtr<ImageFrameGenerator> m_generator;
- int m_decodersDestroyed;
- int m_frameBufferRequestCount;
- ImageFrame::Status m_status;
- ImageFrame::Status m_nextFrameStatus;
-};
-
-TEST_F(ImageFrameGeneratorTest, cacheHit)
-{
- const ScaledImageFragment* fullImage = ImageDecodingStore::instance()->insertAndLockCache(
- m_generator.get(), createCompleteImage(fullSize()));
- EXPECT_EQ(fullSize(), fullImage->scaledSize());
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), fullImage);
-
- const ScaledImageFragment* tempImage = m_generator->decodeAndScale(fullSize());
- EXPECT_EQ(fullImage, tempImage);
- EXPECT_EQ(fullSize(), tempImage->scaledSize());
- EXPECT_TRUE(m_generator->hasAlpha(0));
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), tempImage);
- EXPECT_EQ(0, m_frameBufferRequestCount);
-}
-
-TEST_F(ImageFrameGeneratorTest, cacheMissWithScale)
-{
- const ScaledImageFragment* fullImage = ImageDecodingStore::instance()->insertAndLockCache(
- m_generator.get(), createCompleteImage(fullSize()));
- EXPECT_EQ(fullSize(), fullImage->scaledSize());
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), fullImage);
-
- // Cache miss because of scaled size not found.
- const ScaledImageFragment* scaledImage = m_generator->decodeAndScale(scaledSize());
- EXPECT_NE(fullImage, scaledImage);
- EXPECT_EQ(scaledSize(), scaledImage->scaledSize());
- EXPECT_TRUE(m_generator->hasAlpha(0));
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), scaledImage);
-
- // Cache hit.
- const ScaledImageFragment* tempImage = m_generator->decodeAndScale(scaledSize());
- EXPECT_EQ(scaledImage, tempImage);
- EXPECT_EQ(scaledSize(), tempImage->scaledSize());
- EXPECT_TRUE(m_generator->hasAlpha(0));
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), tempImage);
- EXPECT_EQ(0, m_frameBufferRequestCount);
-}
-
-TEST_F(ImageFrameGeneratorTest, cacheMissWithDecodeAndScale)
-{
- setFrameStatus(ImageFrame::FrameComplete);
-
- // Cache miss.
- const ScaledImageFragment* scaledImage = m_generator->decodeAndScale(scaledSize());
- EXPECT_EQ(1, m_frameBufferRequestCount);
- EXPECT_EQ(scaledSize(), scaledImage->scaledSize());
- EXPECT_FALSE(m_generator->hasAlpha(0));
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), scaledImage);
- EXPECT_EQ(1, m_decodersDestroyed);
-
- // Cache hit.
- const ScaledImageFragment* fullImage = m_generator->decodeAndScale(fullSize());
- EXPECT_NE(scaledImage, fullImage);
- EXPECT_EQ(fullSize(), fullImage->scaledSize());
- EXPECT_FALSE(m_generator->hasAlpha(0));
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), fullImage);
-
- // Cache hit.
- const ScaledImageFragment* tempImage = m_generator->decodeAndScale(scaledSize());
- EXPECT_EQ(scaledImage, tempImage);
- EXPECT_EQ(scaledSize(), tempImage->scaledSize());
- EXPECT_FALSE(m_generator->hasAlpha(0));
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), tempImage);
- EXPECT_EQ(1, m_frameBufferRequestCount);
-}
-
-TEST_F(ImageFrameGeneratorTest, cacheMissWithIncompleteDecode)
-{
- setFrameStatus(ImageFrame::FramePartial);
-
- const ScaledImageFragment* tempImage= m_generator->decodeAndScale(fullSize());
- EXPECT_FALSE(tempImage->isComplete());
- EXPECT_EQ(1, m_frameBufferRequestCount);
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), tempImage);
- EXPECT_EQ(2, ImageDecodingStore::instance()->cacheEntries());
- EXPECT_EQ(1, ImageDecodingStore::instance()->imageCacheEntries());
- EXPECT_EQ(1, ImageDecodingStore::instance()->decoderCacheEntries());
-
- addNewData();
- tempImage = m_generator->decodeAndScale(fullSize());
- EXPECT_FALSE(tempImage->isComplete());
- EXPECT_EQ(2, m_frameBufferRequestCount);
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), tempImage);
- EXPECT_EQ(3, ImageDecodingStore::instance()->cacheEntries());
- EXPECT_EQ(2, ImageDecodingStore::instance()->imageCacheEntries());
- EXPECT_EQ(1, ImageDecodingStore::instance()->decoderCacheEntries());
- EXPECT_EQ(0, m_decodersDestroyed);
-}
-
-TEST_F(ImageFrameGeneratorTest, cacheMissWithIncompleteDecodeAndScale)
-{
- setFrameStatus(ImageFrame::FramePartial);
-
- const ScaledImageFragment* tempImage= m_generator->decodeAndScale(scaledSize());
- EXPECT_FALSE(tempImage->isComplete());
- EXPECT_EQ(1, m_frameBufferRequestCount);
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), tempImage);
- EXPECT_EQ(3, ImageDecodingStore::instance()->cacheEntries());
- EXPECT_EQ(2, ImageDecodingStore::instance()->imageCacheEntries());
- EXPECT_EQ(1, ImageDecodingStore::instance()->decoderCacheEntries());
-
- addNewData();
- tempImage = m_generator->decodeAndScale(scaledSize());
- EXPECT_FALSE(tempImage->isComplete());
- EXPECT_EQ(2, m_frameBufferRequestCount);
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), tempImage);
- EXPECT_EQ(5, ImageDecodingStore::instance()->cacheEntries());
- EXPECT_EQ(4, ImageDecodingStore::instance()->imageCacheEntries());
- EXPECT_EQ(1, ImageDecodingStore::instance()->decoderCacheEntries());
- EXPECT_EQ(0, m_decodersDestroyed);
-}
-
-TEST_F(ImageFrameGeneratorTest, incompleteDecodeBecomesComplete)
-{
- setFrameStatus(ImageFrame::FramePartial);
-
- const ScaledImageFragment* tempImage = m_generator->decodeAndScale(fullSize());
- EXPECT_FALSE(tempImage->isComplete());
- EXPECT_EQ(1, m_frameBufferRequestCount);
- EXPECT_EQ(0, m_decodersDestroyed);
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), tempImage);
- EXPECT_EQ(2, ImageDecodingStore::instance()->cacheEntries());
- EXPECT_EQ(1, ImageDecodingStore::instance()->imageCacheEntries());
- EXPECT_EQ(1, ImageDecodingStore::instance()->decoderCacheEntries());
-
- setFrameStatus(ImageFrame::FrameComplete);
- addNewData();
-
- tempImage = m_generator->decodeAndScale(fullSize());
- EXPECT_TRUE(tempImage->isComplete());
- EXPECT_EQ(2, m_frameBufferRequestCount);
- EXPECT_EQ(1, m_decodersDestroyed);
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), tempImage);
- EXPECT_EQ(2, ImageDecodingStore::instance()->cacheEntries());
- EXPECT_EQ(2, ImageDecodingStore::instance()->imageCacheEntries());
- EXPECT_EQ(0, ImageDecodingStore::instance()->decoderCacheEntries());
-
- tempImage = m_generator->decodeAndScale(fullSize());
- EXPECT_TRUE(tempImage->isComplete());
- EXPECT_EQ(2, m_frameBufferRequestCount);
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), tempImage);
-}
-
-TEST_F(ImageFrameGeneratorTest, incompleteDecodeAndScaleBecomesComplete)
-{
- setFrameStatus(ImageFrame::FramePartial);
-
- const ScaledImageFragment* tempImage = m_generator->decodeAndScale(scaledSize());
- EXPECT_FALSE(tempImage->isComplete());
- EXPECT_EQ(1, m_frameBufferRequestCount);
- EXPECT_EQ(0, m_decodersDestroyed);
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), tempImage);
- EXPECT_EQ(3, ImageDecodingStore::instance()->cacheEntries());
- EXPECT_EQ(2, ImageDecodingStore::instance()->imageCacheEntries());
- EXPECT_EQ(1, ImageDecodingStore::instance()->decoderCacheEntries());
-
- setFrameStatus(ImageFrame::FrameComplete);
- addNewData();
-
- tempImage = m_generator->decodeAndScale(scaledSize());
- EXPECT_TRUE(tempImage->isComplete());
- EXPECT_EQ(2, m_frameBufferRequestCount);
- EXPECT_EQ(1, m_decodersDestroyed);
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), tempImage);
- EXPECT_EQ(4, ImageDecodingStore::instance()->cacheEntries());
- EXPECT_EQ(4, ImageDecodingStore::instance()->imageCacheEntries());
- EXPECT_EQ(0, ImageDecodingStore::instance()->decoderCacheEntries());
-
- tempImage = m_generator->decodeAndScale(scaledSize());
- EXPECT_TRUE(tempImage->isComplete());
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), tempImage);
-
- tempImage = m_generator->decodeAndScale(fullSize());
- EXPECT_TRUE(tempImage->isComplete());
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), tempImage);
-
- EXPECT_EQ(2, m_frameBufferRequestCount);
-}
-
-static void decodeThreadMain(ImageFrameGenerator* generator)
-{
- const ScaledImageFragment* tempImage = generator->decodeAndScale(fullSize());
- ImageDecodingStore::instance()->unlockCache(generator, tempImage);
-}
-
-TEST_F(ImageFrameGeneratorTest, incompleteDecodeBecomesCompleteMultiThreaded)
-{
- setFrameStatus(ImageFrame::FramePartial);
-
- const ScaledImageFragment* tempImage = m_generator->decodeAndScale(fullSize());
- EXPECT_FALSE(tempImage->isComplete());
- EXPECT_EQ(1, m_frameBufferRequestCount);
- EXPECT_EQ(0, m_decodersDestroyed);
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), tempImage);
- EXPECT_EQ(2, ImageDecodingStore::instance()->cacheEntries());
- EXPECT_EQ(1, ImageDecodingStore::instance()->imageCacheEntries());
- EXPECT_EQ(1, ImageDecodingStore::instance()->decoderCacheEntries());
-
- // Frame can now be decoded completely.
- setFrameStatus(ImageFrame::FrameComplete);
- addNewData();
- OwnPtr<blink::WebThread> thread = adoptPtr(blink::Platform::current()->createThread("DecodeThread"));
- thread->postTask(new Task(WTF::bind(&decodeThreadMain, m_generator.get())));
- thread.clear();
-
- EXPECT_EQ(2, m_frameBufferRequestCount);
- EXPECT_EQ(1, m_decodersDestroyed);
- EXPECT_EQ(2, ImageDecodingStore::instance()->cacheEntries());
- EXPECT_EQ(2, ImageDecodingStore::instance()->imageCacheEntries());
- EXPECT_EQ(0, ImageDecodingStore::instance()->decoderCacheEntries());
-
- tempImage = m_generator->decodeAndScale(fullSize());
- EXPECT_TRUE(tempImage->isComplete());
- EXPECT_EQ(2, m_frameBufferRequestCount);
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), tempImage);
-}
-
-TEST_F(ImageFrameGeneratorTest, concurrentIncompleteDecodeAndScale)
-{
- setFrameStatus(ImageFrame::FramePartial);
-
- const ScaledImageFragment* fullImage = m_generator->decodeAndScale(fullSize());
- const ScaledImageFragment* scaledImage = m_generator->decodeAndScale(scaledSize());
- EXPECT_FALSE(fullImage->isComplete());
- EXPECT_FALSE(scaledImage->isComplete());
- EXPECT_EQ(2, m_frameBufferRequestCount);
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), fullImage);
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), scaledImage);
- EXPECT_EQ(4, ImageDecodingStore::instance()->cacheEntries());
- EXPECT_EQ(3, ImageDecodingStore::instance()->imageCacheEntries());
- EXPECT_EQ(1, ImageDecodingStore::instance()->decoderCacheEntries());
- EXPECT_EQ(0, m_decodersDestroyed);
-
- addNewData();
- setFrameStatus(ImageFrame::FrameComplete);
- scaledImage = m_generator->decodeAndScale(scaledSize());
- EXPECT_TRUE(scaledImage->isComplete());
- EXPECT_EQ(3, m_frameBufferRequestCount);
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), scaledImage);
- EXPECT_EQ(5, ImageDecodingStore::instance()->cacheEntries());
- EXPECT_EQ(5, ImageDecodingStore::instance()->imageCacheEntries());
- EXPECT_EQ(0, ImageDecodingStore::instance()->decoderCacheEntries());
- EXPECT_EQ(1, m_decodersDestroyed);
-}
-
-TEST_F(ImageFrameGeneratorTest, incompleteBitmapCopied)
-{
- setFrameStatus(ImageFrame::FramePartial);
-
- const ScaledImageFragment* tempImage= m_generator->decodeAndScale(fullSize());
- EXPECT_FALSE(tempImage->isComplete());
- EXPECT_EQ(1, m_frameBufferRequestCount);
-
- ImageDecoder* tempDecoder = 0;
- EXPECT_TRUE(ImageDecodingStore::instance()->lockDecoder(m_generator.get(), fullSize(), &tempDecoder));
- ASSERT_TRUE(tempDecoder);
- EXPECT_NE(tempDecoder->frameBufferAtIndex(0)->getSkBitmap().getPixels(), tempImage->bitmap().getPixels());
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), tempImage);
- ImageDecodingStore::instance()->unlockDecoder(m_generator.get(), tempDecoder);
-}
-
-TEST_F(ImageFrameGeneratorTest, resumeDecodeEmptyFrameTurnsComplete)
-{
- m_generator = ImageFrameGenerator::create(fullSize(), m_data, false, true);
- useMockImageDecoderFactory();
- setFrameStatus(ImageFrame::FrameComplete);
-
- const ScaledImageFragment* tempImage = m_generator->decodeAndScale(fullSize(), 0);
- EXPECT_TRUE(tempImage->isComplete());
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), tempImage);
-
- setFrameStatus(ImageFrame::FrameEmpty);
- setNextFrameStatus(ImageFrame::FrameComplete);
- EXPECT_FALSE(m_generator->decodeAndScale(fullSize(), 1));
-}
-
-TEST_F(ImageFrameGeneratorTest, frameHasAlpha)
-{
- setFrameStatus(ImageFrame::FramePartial);
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), m_generator->decodeAndScale(fullSize(), 1));
- EXPECT_TRUE(m_generator->hasAlpha(1));
-
- ImageDecoder* tempDecoder = 0;
- EXPECT_TRUE(ImageDecodingStore::instance()->lockDecoder(m_generator.get(), fullSize(), &tempDecoder));
- ASSERT_TRUE(tempDecoder);
- static_cast<MockImageDecoder*>(tempDecoder)->setFrameHasAlpha(false);
- ImageDecodingStore::instance()->unlockDecoder(m_generator.get(), tempDecoder);
-
- setFrameStatus(ImageFrame::FrameComplete);
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), m_generator->decodeAndScale(fullSize(), 1));
- EXPECT_FALSE(m_generator->hasAlpha(1));
-}
-
-namespace {
-
-class MockAllocator : public SkBitmap::Allocator {
-public:
- // N starts from 0.
- MockAllocator(int failAtNthCall)
- : m_callCount(0)
- , m_failAtNthCall(failAtNthCall)
- , m_defaultAllocator(adoptPtr(new DiscardablePixelRefAllocator()))
- {
- }
-
- virtual bool allocPixelRef(SkBitmap* bitmap, SkColorTable* colorTable) OVERRIDE
- {
- if (m_callCount++ == m_failAtNthCall)
- return false;
- return m_defaultAllocator->allocPixelRef(bitmap, colorTable);
- }
-
- int m_callCount;
- int m_failAtNthCall;
- OwnPtr<SkBitmap::Allocator> m_defaultAllocator;
-};
-
-} // namespace
-
-TEST_F(ImageFrameGeneratorTest, decodingAllocatorFailure)
-{
- // Try to emulate allocation failures at different stages. For now, the
- // first allocation is for the bitmap in ImageFrame, the second is for the
- // copy of partial bitmap. The loop will still work if the number or purpose
- // of allocations change in the future.
- for (int i = 0; ; ++i) {
- SCOPED_TRACE(testing::Message() << "Allocation failure at call " << i);
- setFrameStatus(ImageFrame::FramePartial);
- setAllocator(adoptPtr(new MockAllocator(i)));
- OwnPtr<ScaledImageFragment> image = decode(0);
- if (i >= static_cast<MockAllocator*>(allocator())->m_callCount) {
- // We have tested failures of all stages. This time all allocations
- // were successful.
- EXPECT_TRUE(image);
- break;
- }
- EXPECT_FALSE(image);
- }
-}
-
-} // namespace WebCore
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