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Unified Diff: Source/core/platform/graphics/ImageDecodingStoreTest.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/ImageDecodingStoreTest.cpp
diff --git a/Source/core/platform/graphics/ImageDecodingStoreTest.cpp b/Source/core/platform/graphics/ImageDecodingStoreTest.cpp
deleted file mode 100644
index 9c2bf7c7ae7c23437b6da412067769fba7d9cde3..0000000000000000000000000000000000000000
--- a/Source/core/platform/graphics/ImageDecodingStoreTest.cpp
+++ /dev/null
@@ -1,460 +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/ImageDecodingStore.h"
-
-#include "platform/SharedBuffer.h"
-#include "core/platform/graphics/ImageFrameGenerator.h"
-#include "core/platform/graphics/test/MockDiscardablePixelRef.h"
-#include "core/platform/graphics/test/MockImageDecoder.h"
-#include <gtest/gtest.h>
-
-using namespace WebCore;
-
-namespace {
-
-class ImageDecodingStoreTest : public ::testing::Test, public MockImageDecoderClient {
-public:
- virtual void SetUp()
- {
- ImageDecodingStore::initializeOnce();
- m_data = SharedBuffer::create();
- m_generator = ImageFrameGenerator::create(SkISize::Make(100, 100), m_data, true);
- m_decodersDestroyed = 0;
- }
-
- virtual void TearDown()
- {
- ImageDecodingStore::shutdown();
- }
-
- virtual void decoderBeingDestroyed()
- {
- ++m_decodersDestroyed;
- }
-
- virtual void frameBufferRequested()
- {
- // Decoder is never used by ImageDecodingStore.
- ASSERT_TRUE(false);
- }
-
- virtual ImageFrame::Status status()
- {
- return ImageFrame::FramePartial;
- }
-
- virtual size_t frameCount() { return 1; }
- virtual int repetitionCount() const { return cAnimationNone; }
- virtual float frameDuration() const { return 0; }
-
-protected:
- PassOwnPtr<ScaledImageFragment> createCompleteImage(const SkISize& size, bool discardable = false, size_t index = 0)
- {
- SkBitmap bitmap;
- bitmap.setConfig(SkBitmap::kARGB_8888_Config, size.width(), size.height());
- if (!discardable)
- bitmap.allocPixels();
- else
- bitmap.setPixelRef(new MockDiscardablePixelRef())->unref();
- return ScaledImageFragment::createComplete(size, index, bitmap);
- }
-
- PassOwnPtr<ScaledImageFragment> createIncompleteImage(const SkISize& size, bool discardable = false, size_t generation = 0)
- {
- SkBitmap bitmap;
- bitmap.setConfig(SkBitmap::kARGB_8888_Config, size.width(), size.height());
- if (!discardable)
- bitmap.allocPixels();
- else
- bitmap.setPixelRef(new MockDiscardablePixelRef())->unref();
- return ScaledImageFragment::createPartial(size, 0, generation, bitmap);
- }
-
- void insertCache(const SkISize& size)
- {
- const ScaledImageFragment* image = ImageDecodingStore::instance()->insertAndLockCache(
- m_generator.get(), createCompleteImage(size));
- unlockCache(image);
- }
-
- const ScaledImageFragment* lockCache(const SkISize& size, size_t index = 0)
- {
- const ScaledImageFragment* cachedImage = 0;
- if (ImageDecodingStore::instance()->lockCache(m_generator.get(), size, index, &cachedImage))
- return cachedImage;
- return 0;
- }
-
- void unlockCache(const ScaledImageFragment* cachedImage)
- {
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), cachedImage);
- }
-
- void evictOneCache()
- {
- size_t memoryUsageInBytes = ImageDecodingStore::instance()->memoryUsageInBytes();
- if (memoryUsageInBytes)
- ImageDecodingStore::instance()->setCacheLimitInBytes(memoryUsageInBytes - 1);
- else
- ImageDecodingStore::instance()->setCacheLimitInBytes(0);
- }
-
- bool isCacheAlive(const SkISize& size)
- {
- const ScaledImageFragment* cachedImage = lockCache(size);
- if (!cachedImage)
- return false;
- ImageDecodingStore::instance()->unlockCache(m_generator.get(), cachedImage);
- return true;
- }
-
- RefPtr<SharedBuffer> m_data;
- RefPtr<ImageFrameGenerator> m_generator;
- int m_decodersDestroyed;
-};
-
-TEST_F(ImageDecodingStoreTest, evictOneCache)
-{
- insertCache(SkISize::Make(1, 1));
- insertCache(SkISize::Make(2, 2));
- insertCache(SkISize::Make(3, 3));
- EXPECT_EQ(3, ImageDecodingStore::instance()->cacheEntries());
-
- evictOneCache();
- EXPECT_EQ(2, ImageDecodingStore::instance()->cacheEntries());
-
- evictOneCache();
- EXPECT_EQ(1, ImageDecodingStore::instance()->cacheEntries());
-}
-
-TEST_F(ImageDecodingStoreTest, pruneOrderIsLeastRecentlyUsed)
-{
- insertCache(SkISize::Make(1, 1));
- insertCache(SkISize::Make(2, 2));
- insertCache(SkISize::Make(3, 3));
- insertCache(SkISize::Make(4, 4));
- insertCache(SkISize::Make(5, 5));
- EXPECT_EQ(5, ImageDecodingStore::instance()->cacheEntries());
-
- // Use cache in the order 3, 2, 4, 1, 5.
- EXPECT_TRUE(isCacheAlive(SkISize::Make(3, 3)));
- EXPECT_TRUE(isCacheAlive(SkISize::Make(2, 2)));
- EXPECT_TRUE(isCacheAlive(SkISize::Make(4, 4)));
- EXPECT_TRUE(isCacheAlive(SkISize::Make(1, 1)));
- EXPECT_TRUE(isCacheAlive(SkISize::Make(5, 5)));
-
- // Evict 3.
- evictOneCache();
- EXPECT_FALSE(isCacheAlive(SkISize::Make(3, 3)));
- EXPECT_EQ(4, ImageDecodingStore::instance()->cacheEntries());
-
- // Evict 2.
- evictOneCache();
- EXPECT_FALSE(isCacheAlive(SkISize::Make(2, 2)));
- EXPECT_EQ(3, ImageDecodingStore::instance()->cacheEntries());
-
- // Evict 4.
- evictOneCache();
- EXPECT_FALSE(isCacheAlive(SkISize::Make(4, 4)));
- EXPECT_EQ(2, ImageDecodingStore::instance()->cacheEntries());
-
- // Evict 1.
- evictOneCache();
- EXPECT_FALSE(isCacheAlive(SkISize::Make(1, 1)));
- EXPECT_EQ(1, ImageDecodingStore::instance()->cacheEntries());
-
- // Evict 5.
- evictOneCache();
- EXPECT_FALSE(isCacheAlive(SkISize::Make(5, 5)));
- EXPECT_EQ(0, ImageDecodingStore::instance()->cacheEntries());
-}
-
-TEST_F(ImageDecodingStoreTest, pruneCausedByInsertion)
-{
- ImageDecodingStore::instance()->setCacheLimitInBytes(100);
-
- // Insert 100 entries.
- // Cache entries stored should increase and eventually decrease to 1.
- insertCache(SkISize::Make(1, 1));
- insertCache(SkISize::Make(2, 2));
- insertCache(SkISize::Make(3, 3));
- EXPECT_EQ(3, ImageDecodingStore::instance()->cacheEntries());
-
- for (int i = 4; i <= 100; ++i)
- insertCache(SkISize::Make(i, i));
-
- EXPECT_EQ(1, ImageDecodingStore::instance()->cacheEntries());
- for (int i = 1; i <= 99; ++i)
- EXPECT_FALSE(isCacheAlive(SkISize::Make(i, i)));
- EXPECT_TRUE(isCacheAlive(SkISize::Make(100, 100)));
-}
-
-TEST_F(ImageDecodingStoreTest, cacheInUseNotEvicted)
-{
- insertCache(SkISize::Make(1, 1));
- insertCache(SkISize::Make(2, 2));
- insertCache(SkISize::Make(3, 3));
- EXPECT_EQ(3, ImageDecodingStore::instance()->cacheEntries());
-
- const ScaledImageFragment* cachedImage = lockCache(SkISize::Make(1, 1));
- ASSERT_TRUE(cachedImage);
-
- // Cache 2 is evicted because cache 1 is in use.
- evictOneCache();
- EXPECT_TRUE(isCacheAlive(SkISize::Make(1, 1)));
- EXPECT_FALSE(isCacheAlive(SkISize::Make(2, 2)));
- EXPECT_TRUE(isCacheAlive(SkISize::Make(3, 3)));
-
- EXPECT_EQ(2, ImageDecodingStore::instance()->cacheEntries());
- unlockCache(cachedImage);
-}
-
-TEST_F(ImageDecodingStoreTest, destroyImageFrameGenerator)
-{
- insertCache(SkISize::Make(1, 1));
- insertCache(SkISize::Make(2, 2));
- insertCache(SkISize::Make(3, 3));
- OwnPtr<ImageDecoder> decoder = MockImageDecoder::create(this);
- decoder->setSize(1, 1);
- ImageDecodingStore::instance()->insertDecoder(m_generator.get(), decoder.release(), false);
- EXPECT_EQ(4, ImageDecodingStore::instance()->cacheEntries());
-
- m_generator.clear();
- EXPECT_FALSE(ImageDecodingStore::instance()->cacheEntries());
-}
-
-TEST_F(ImageDecodingStoreTest, insertDecoder)
-{
- const SkISize size = SkISize::Make(1, 1);
- OwnPtr<ImageDecoder> decoder = MockImageDecoder::create(this);
- decoder->setSize(1, 1);
- const ImageDecoder* refDecoder = decoder.get();
- ImageDecodingStore::instance()->insertDecoder(m_generator.get(), decoder.release(), false);
- EXPECT_EQ(1, ImageDecodingStore::instance()->cacheEntries());
- EXPECT_EQ(4u, ImageDecodingStore::instance()->memoryUsageInBytes());
-
- ImageDecoder* testDecoder;
- EXPECT_TRUE(ImageDecodingStore::instance()->lockDecoder(m_generator.get(), size, &testDecoder));
- EXPECT_TRUE(testDecoder);
- EXPECT_EQ(refDecoder, testDecoder);
- ImageDecodingStore::instance()->unlockDecoder(m_generator.get(), testDecoder);
- EXPECT_EQ(1, ImageDecodingStore::instance()->cacheEntries());
-}
-
-TEST_F(ImageDecodingStoreTest, evictDecoder)
-{
- OwnPtr<ImageDecoder> decoder1 = MockImageDecoder::create(this);
- OwnPtr<ImageDecoder> decoder2 = MockImageDecoder::create(this);
- OwnPtr<ImageDecoder> decoder3 = MockImageDecoder::create(this);
- decoder1->setSize(1, 1);
- decoder2->setSize(2, 2);
- decoder3->setSize(3, 3);
- ImageDecodingStore::instance()->insertDecoder(m_generator.get(), decoder1.release(), false);
- ImageDecodingStore::instance()->insertDecoder(m_generator.get(), decoder2.release(), false);
- ImageDecodingStore::instance()->insertDecoder(m_generator.get(), decoder3.release(), false);
- EXPECT_EQ(3, ImageDecodingStore::instance()->cacheEntries());
- EXPECT_EQ(56u, ImageDecodingStore::instance()->memoryUsageInBytes());
-
- evictOneCache();
- EXPECT_EQ(2, ImageDecodingStore::instance()->cacheEntries());
- EXPECT_EQ(52u, ImageDecodingStore::instance()->memoryUsageInBytes());
-
- evictOneCache();
- EXPECT_EQ(1, ImageDecodingStore::instance()->cacheEntries());
- EXPECT_EQ(36u, ImageDecodingStore::instance()->memoryUsageInBytes());
-
- evictOneCache();
- EXPECT_FALSE(ImageDecodingStore::instance()->cacheEntries());
- EXPECT_FALSE(ImageDecodingStore::instance()->memoryUsageInBytes());
-}
-
-TEST_F(ImageDecodingStoreTest, decoderInUseNotEvicted)
-{
- OwnPtr<ImageDecoder> decoder1 = MockImageDecoder::create(this);
- OwnPtr<ImageDecoder> decoder2 = MockImageDecoder::create(this);
- OwnPtr<ImageDecoder> decoder3 = MockImageDecoder::create(this);
- decoder1->setSize(1, 1);
- decoder2->setSize(2, 2);
- decoder3->setSize(3, 3);
- ImageDecodingStore::instance()->insertDecoder(m_generator.get(), decoder1.release(), false);
- ImageDecodingStore::instance()->insertDecoder(m_generator.get(), decoder2.release(), false);
- ImageDecodingStore::instance()->insertDecoder(m_generator.get(), decoder3.release(), false);
- EXPECT_EQ(3, ImageDecodingStore::instance()->cacheEntries());
-
- ImageDecoder* testDecoder;
- EXPECT_TRUE(ImageDecodingStore::instance()->lockDecoder(m_generator.get(), SkISize::Make(2, 2), &testDecoder));
-
- evictOneCache();
- evictOneCache();
- evictOneCache();
- EXPECT_EQ(1, ImageDecodingStore::instance()->cacheEntries());
- EXPECT_EQ(16u, ImageDecodingStore::instance()->memoryUsageInBytes());
-
- ImageDecodingStore::instance()->unlockDecoder(m_generator.get(), testDecoder);
- evictOneCache();
- EXPECT_FALSE(ImageDecodingStore::instance()->cacheEntries());
- EXPECT_FALSE(ImageDecodingStore::instance()->memoryUsageInBytes());
-}
-
-TEST_F(ImageDecodingStoreTest, removeDecoder)
-{
- const SkISize size = SkISize::Make(1, 1);
- OwnPtr<ImageDecoder> decoder = MockImageDecoder::create(this);
- decoder->setSize(1, 1);
- const ImageDecoder* refDecoder = decoder.get();
- ImageDecodingStore::instance()->insertDecoder(m_generator.get(), decoder.release(), false);
- EXPECT_EQ(1, ImageDecodingStore::instance()->cacheEntries());
- EXPECT_EQ(4u, ImageDecodingStore::instance()->memoryUsageInBytes());
-
- ImageDecoder* testDecoder;
- EXPECT_TRUE(ImageDecodingStore::instance()->lockDecoder(m_generator.get(), size, &testDecoder));
- EXPECT_TRUE(testDecoder);
- EXPECT_EQ(refDecoder, testDecoder);
- ImageDecodingStore::instance()->removeDecoder(m_generator.get(), testDecoder);
- EXPECT_FALSE(ImageDecodingStore::instance()->cacheEntries());
-
- EXPECT_FALSE(ImageDecodingStore::instance()->lockDecoder(m_generator.get(), size, &testDecoder));
-}
-
-TEST_F(ImageDecodingStoreTest, multipleIndex)
-{
- const SkISize size = SkISize::Make(1, 1);
- const ScaledImageFragment* refImage = ImageDecodingStore::instance()->insertAndLockCache(
- m_generator.get(), createCompleteImage(size, false, 0));
- unlockCache(refImage);
- const ScaledImageFragment* testImage = ImageDecodingStore::instance()->insertAndLockCache(
- m_generator.get(), createCompleteImage(size, false, 1));
- unlockCache(testImage);
- EXPECT_NE(refImage, testImage);
- EXPECT_EQ(2, ImageDecodingStore::instance()->cacheEntries());
-
- EXPECT_TRUE(ImageDecodingStore::instance()->lockCache(m_generator.get(), size, 1, &refImage));
- EXPECT_EQ(refImage, testImage);
- unlockCache(refImage);
-}
-
-TEST_F(ImageDecodingStoreTest, finalAndPartialImage)
-{
- const SkISize size = SkISize::Make(1, 1);
- const ScaledImageFragment* refImage = ImageDecodingStore::instance()->insertAndLockCache(
- m_generator.get(), createCompleteImage(size, false, 0));
- unlockCache(refImage);
- const ScaledImageFragment* testImage = ImageDecodingStore::instance()->insertAndLockCache(
- m_generator.get(), createIncompleteImage(size, false, 1));
- unlockCache(testImage);
- EXPECT_NE(refImage, testImage);
- EXPECT_EQ(2, ImageDecodingStore::instance()->cacheEntries());
-
- EXPECT_TRUE(ImageDecodingStore::instance()->lockCache(m_generator.get(), size, 0, &refImage));
- EXPECT_NE(refImage, testImage);
- unlockCache(refImage);
-}
-
-TEST_F(ImageDecodingStoreTest, insertNoGenerationCollision)
-{
- const SkISize size = SkISize::Make(1, 1);
- const ScaledImageFragment* refImage = ImageDecodingStore::instance()->insertAndLockCache(
- m_generator.get(), createIncompleteImage(size, false, 1));
- unlockCache(refImage);
- const ScaledImageFragment* testImage = ImageDecodingStore::instance()->insertAndLockCache(
- m_generator.get(), createIncompleteImage(size, false, 2));
- unlockCache(testImage);
- EXPECT_NE(refImage, testImage);
- EXPECT_EQ(2, ImageDecodingStore::instance()->cacheEntries());
-}
-
-TEST_F(ImageDecodingStoreTest, insertGenerationCollision)
-{
- const SkISize size = SkISize::Make(1, 1);
- const ScaledImageFragment* refImage = ImageDecodingStore::instance()->insertAndLockCache(
- m_generator.get(), createIncompleteImage(size, false, 1));
- unlockCache(refImage);
- const ScaledImageFragment* testImage = ImageDecodingStore::instance()->insertAndLockCache(
- m_generator.get(), createIncompleteImage(size, false, 1));
- unlockCache(testImage);
- EXPECT_EQ(refImage, testImage);
- EXPECT_EQ(1, ImageDecodingStore::instance()->cacheEntries());
-}
-
-TEST_F(ImageDecodingStoreTest, insertGenerationCollisionAfterMemoryDiscarded)
-{
- const SkISize size = SkISize::Make(1, 1);
- const ScaledImageFragment* refImage = ImageDecodingStore::instance()->insertAndLockCache(
- m_generator.get(), createIncompleteImage(size, true, 1));
- unlockCache(refImage);
- MockDiscardablePixelRef* pixelRef = static_cast<MockDiscardablePixelRef*>(refImage->bitmap().pixelRef());
- pixelRef->discard();
- const ScaledImageFragment* testImage = ImageDecodingStore::instance()->insertAndLockCache(
- m_generator.get(), createIncompleteImage(size, false, 1));
- unlockCache(testImage);
- EXPECT_NE(refImage, testImage);
- EXPECT_EQ(1, ImageDecodingStore::instance()->cacheEntries());
-}
-
-TEST_F(ImageDecodingStoreTest, lockCacheFailedAfterMemoryDiscarded)
-{
- const ScaledImageFragment* cachedImage = ImageDecodingStore::instance()->insertAndLockCache(
- m_generator.get(), createCompleteImage(SkISize::Make(1, 1), true));
- unlockCache(cachedImage);
- MockDiscardablePixelRef* pixelRef = static_cast<MockDiscardablePixelRef*>(cachedImage->bitmap().pixelRef());
- pixelRef->discard();
- EXPECT_EQ(0, lockCache(SkISize::Make(1, 1)));
- EXPECT_EQ(0, ImageDecodingStore::instance()->cacheEntries());
-}
-
-TEST_F(ImageDecodingStoreTest, clear)
-{
- insertCache(SkISize::Make(1, 1));
- insertCache(SkISize::Make(2, 2));
- EXPECT_EQ(2, ImageDecodingStore::instance()->cacheEntries());
-
- OwnPtr<ImageDecoder> decoder = MockImageDecoder::create(this);
- decoder->setSize(1, 1);
- ImageDecodingStore::instance()->insertDecoder(m_generator.get(), decoder.release(), false);
- EXPECT_EQ(3, ImageDecodingStore::instance()->cacheEntries());
-
- ImageDecodingStore::instance()->clear();
- EXPECT_EQ(0, ImageDecodingStore::instance()->cacheEntries());
-}
-
-TEST_F(ImageDecodingStoreTest, clearInUse)
-{
- insertCache(SkISize::Make(1, 1));
- insertCache(SkISize::Make(2, 2));
- EXPECT_EQ(2, ImageDecodingStore::instance()->cacheEntries());
-
- const ScaledImageFragment* cachedImage = lockCache(SkISize::Make(1, 1));
- ASSERT_TRUE(cachedImage);
- ImageDecodingStore::instance()->clear();
- EXPECT_EQ(1, ImageDecodingStore::instance()->cacheEntries());
-
- unlockCache(cachedImage);
- EXPECT_EQ(1, ImageDecodingStore::instance()->cacheEntries());
-}
-
-} // namespace
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