diff options
Diffstat (limited to 'chromium/third_party/WebKit/Source/core/platform/image-decoders/gif/GIFImageDecoderTest.cpp')
-rw-r--r-- | chromium/third_party/WebKit/Source/core/platform/image-decoders/gif/GIFImageDecoderTest.cpp | 453 |
1 files changed, 0 insertions, 453 deletions
diff --git a/chromium/third_party/WebKit/Source/core/platform/image-decoders/gif/GIFImageDecoderTest.cpp b/chromium/third_party/WebKit/Source/core/platform/image-decoders/gif/GIFImageDecoderTest.cpp deleted file mode 100644 index a38879b2887..00000000000 --- a/chromium/third_party/WebKit/Source/core/platform/image-decoders/gif/GIFImageDecoderTest.cpp +++ /dev/null @@ -1,453 +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 "core/platform/image-decoders/gif/GIFImageDecoder.h" - -#include "core/platform/SharedBuffer.h" -#include "public/platform/Platform.h" -#include "public/platform/WebData.h" -#include "public/platform/WebSize.h" -#include "public/platform/WebUnitTestSupport.h" -#include "wtf/OwnPtr.h" -#include "wtf/PassOwnPtr.h" -#include "wtf/StringHasher.h" -#include "wtf/Vector.h" -#include <gtest/gtest.h> - -using namespace WebCore; -using namespace WebKit; - -namespace { - -PassRefPtr<SharedBuffer> readFile(const char* fileName) -{ - String filePath = Platform::current()->unitTestSupport()->webKitRootDir(); - filePath.append(fileName); - - return Platform::current()->unitTestSupport()->readFromFile(filePath); -} - -PassOwnPtr<GIFImageDecoder> createDecoder() -{ - return adoptPtr(new GIFImageDecoder(ImageSource::AlphaNotPremultiplied, ImageSource::GammaAndColorProfileApplied, ImageDecoder::noDecodedImageByteLimit)); -} - -unsigned hashSkBitmap(const SkBitmap& bitmap) -{ - return StringHasher::hashMemory(bitmap.getPixels(), bitmap.getSize()); -} - -void createDecodingBaseline(SharedBuffer* data, Vector<unsigned>* baselineHashes) -{ - OwnPtr<GIFImageDecoder> decoder = createDecoder(); - decoder->setData(data, true); - size_t frameCount = decoder->frameCount(); - for (size_t i = 0; i < frameCount; ++i) { - ImageFrame* frame = decoder->frameBufferAtIndex(i); - baselineHashes->append(hashSkBitmap(frame->getSkBitmap())); - } -} - -void testRandomFrameDecode(const char* gifFile) -{ - SCOPED_TRACE(gifFile); - - RefPtr<SharedBuffer> fullData = readFile(gifFile); - ASSERT_TRUE(fullData.get()); - Vector<unsigned> baselineHashes; - createDecodingBaseline(fullData.get(), &baselineHashes); - size_t frameCount = baselineHashes.size(); - - // Random decoding should get the same results as sequential decoding. - OwnPtr<GIFImageDecoder> decoder = createDecoder(); - decoder->setData(fullData.get(), true); - const size_t skippingStep = 5; - for (size_t i = 0; i < skippingStep; ++i) { - for (size_t j = i; j < frameCount; j += skippingStep) { - SCOPED_TRACE(testing::Message() << "Random i:" << i << " j:" << j); - ImageFrame* frame = decoder->frameBufferAtIndex(j); - EXPECT_EQ(baselineHashes[j], hashSkBitmap(frame->getSkBitmap())); - } - } - - // Decoding in reverse order. - decoder = createDecoder(); - decoder->setData(fullData.get(), true); - for (size_t i = frameCount; i; --i) { - SCOPED_TRACE(testing::Message() << "Reverse i:" << i); - ImageFrame* frame = decoder->frameBufferAtIndex(i - 1); - EXPECT_EQ(baselineHashes[i - 1], hashSkBitmap(frame->getSkBitmap())); - } -} - -void testRandomDecodeAfterClearFrameBufferCache(const char* gifFile) -{ - SCOPED_TRACE(gifFile); - - RefPtr<SharedBuffer> data = readFile(gifFile); - ASSERT_TRUE(data.get()); - Vector<unsigned> baselineHashes; - createDecodingBaseline(data.get(), &baselineHashes); - size_t frameCount = baselineHashes.size(); - - OwnPtr<GIFImageDecoder> decoder = createDecoder(); - decoder->setData(data.get(), true); - for (size_t clearExceptFrame = 0; clearExceptFrame < frameCount; ++clearExceptFrame) { - decoder->clearCacheExceptFrame(clearExceptFrame); - const size_t skippingStep = 5; - for (size_t i = 0; i < skippingStep; ++i) { - for (size_t j = 0; j < frameCount; j += skippingStep) { - SCOPED_TRACE(testing::Message() << "Random i:" << i << " j:" << j); - ImageFrame* frame = decoder->frameBufferAtIndex(j); - EXPECT_EQ(baselineHashes[j], hashSkBitmap(frame->getSkBitmap())); - } - } - } -} - -} // namespace - -TEST(GIFImageDecoderTest, decodeTwoFrames) -{ - OwnPtr<GIFImageDecoder> decoder = createDecoder(); - - RefPtr<SharedBuffer> data = readFile("/LayoutTests/fast/images/resources/animated.gif"); - ASSERT_TRUE(data.get()); - decoder->setData(data.get(), true); - EXPECT_EQ(cAnimationLoopOnce, decoder->repetitionCount()); - - ImageFrame* frame = decoder->frameBufferAtIndex(0); - EXPECT_EQ(ImageFrame::FrameComplete, frame->status()); - EXPECT_EQ(16, frame->getSkBitmap().width()); - EXPECT_EQ(16, frame->getSkBitmap().height()); - - frame = decoder->frameBufferAtIndex(1); - EXPECT_EQ(ImageFrame::FrameComplete, frame->status()); - EXPECT_EQ(16, frame->getSkBitmap().width()); - EXPECT_EQ(16, frame->getSkBitmap().height()); - - EXPECT_EQ(2u, decoder->frameCount()); - EXPECT_EQ(cAnimationLoopInfinite, decoder->repetitionCount()); -} - -TEST(GIFImageDecoderTest, parseAndDecode) -{ - OwnPtr<GIFImageDecoder> decoder = createDecoder(); - - RefPtr<SharedBuffer> data = readFile("/LayoutTests/fast/images/resources/animated.gif"); - ASSERT_TRUE(data.get()); - decoder->setData(data.get(), true); - EXPECT_EQ(cAnimationLoopOnce, decoder->repetitionCount()); - - // This call will parse the entire file. - EXPECT_EQ(2u, decoder->frameCount()); - - ImageFrame* frame = decoder->frameBufferAtIndex(0); - EXPECT_EQ(ImageFrame::FrameComplete, frame->status()); - EXPECT_EQ(16, frame->getSkBitmap().width()); - EXPECT_EQ(16, frame->getSkBitmap().height()); - - frame = decoder->frameBufferAtIndex(1); - EXPECT_EQ(ImageFrame::FrameComplete, frame->status()); - EXPECT_EQ(16, frame->getSkBitmap().width()); - EXPECT_EQ(16, frame->getSkBitmap().height()); - EXPECT_EQ(cAnimationLoopInfinite, decoder->repetitionCount()); -} - -TEST(GIFImageDecoderTest, parseByteByByte) -{ - OwnPtr<GIFImageDecoder> decoder = createDecoder(); - - RefPtr<SharedBuffer> data = readFile("/LayoutTests/fast/images/resources/animated.gif"); - ASSERT_TRUE(data.get()); - - size_t frameCount = 0; - - // Pass data to decoder byte by byte. - for (size_t length = 1; length <= data->size(); ++length) { - RefPtr<SharedBuffer> tempData = SharedBuffer::create(data->data(), length); - decoder->setData(tempData.get(), length == data->size()); - - EXPECT_LE(frameCount, decoder->frameCount()); - frameCount = decoder->frameCount(); - } - - EXPECT_EQ(2u, decoder->frameCount()); - - decoder->frameBufferAtIndex(0); - decoder->frameBufferAtIndex(1); - EXPECT_EQ(cAnimationLoopInfinite, decoder->repetitionCount()); -} - -TEST(GIFImageDecoderTest, parseAndDecodeByteByByte) -{ - OwnPtr<GIFImageDecoder> decoder = createDecoder(); - - RefPtr<SharedBuffer> data = readFile("/LayoutTests/fast/images/resources/animated-gif-with-offsets.gif"); - ASSERT_TRUE(data.get()); - - size_t frameCount = 0; - size_t framesDecoded = 0; - - // Pass data to decoder byte by byte. - for (size_t length = 1; length <= data->size(); ++length) { - RefPtr<SharedBuffer> tempData = SharedBuffer::create(data->data(), length); - decoder->setData(tempData.get(), length == data->size()); - - EXPECT_LE(frameCount, decoder->frameCount()); - frameCount = decoder->frameCount(); - - ImageFrame* frame = decoder->frameBufferAtIndex(frameCount - 1); - if (frame && frame->status() == ImageFrame::FrameComplete && framesDecoded < frameCount) - ++framesDecoded; - } - - EXPECT_EQ(5u, decoder->frameCount()); - EXPECT_EQ(5u, framesDecoded); - EXPECT_EQ(cAnimationLoopInfinite, decoder->repetitionCount()); -} - -TEST(GIFImageDecoderTest, brokenSecondFrame) -{ - OwnPtr<GIFImageDecoder> decoder = createDecoder(); - - RefPtr<SharedBuffer> data = readFile("/Source/web/tests/data/broken.gif"); - ASSERT_TRUE(data.get()); - decoder->setData(data.get(), true); - - // One frame is detected but cannot be decoded. - EXPECT_EQ(1u, decoder->frameCount()); - ImageFrame* frame = decoder->frameBufferAtIndex(1); - EXPECT_FALSE(frame); -} - -TEST(GIFImageDecoderTest, progressiveDecode) -{ - RefPtr<SharedBuffer> fullData = readFile("/Source/web/tests/data/radient.gif"); - ASSERT_TRUE(fullData.get()); - const size_t fullLength = fullData->size(); - - OwnPtr<GIFImageDecoder> decoder; - ImageFrame* frame; - - Vector<unsigned> truncatedHashes; - Vector<unsigned> progressiveHashes; - - // Compute hashes when the file is truncated. - const size_t increment = 1; - for (size_t i = 1; i <= fullLength; i += increment) { - decoder = createDecoder(); - RefPtr<SharedBuffer> data = SharedBuffer::create(fullData->data(), i); - decoder->setData(data.get(), i == fullLength); - frame = decoder->frameBufferAtIndex(0); - if (!frame) { - truncatedHashes.append(0); - continue; - } - truncatedHashes.append(hashSkBitmap(frame->getSkBitmap())); - } - - // Compute hashes when the file is progressively decoded. - decoder = createDecoder(); - for (size_t i = 1; i <= fullLength; i += increment) { - RefPtr<SharedBuffer> data = SharedBuffer::create(fullData->data(), i); - decoder->setData(data.get(), i == fullLength); - frame = decoder->frameBufferAtIndex(0); - if (!frame) { - progressiveHashes.append(0); - continue; - } - progressiveHashes.append(hashSkBitmap(frame->getSkBitmap())); - } - - bool match = true; - for (size_t i = 0; i < truncatedHashes.size(); ++i) { - if (truncatedHashes[i] != progressiveHashes[i]) { - match = false; - break; - } - } - EXPECT_TRUE(match); -} - -TEST(GIFImageDecoderTest, allDataReceivedTruncation) -{ - OwnPtr<GIFImageDecoder> decoder = createDecoder(); - - RefPtr<SharedBuffer> data = readFile("/LayoutTests/fast/images/resources/animated.gif"); - ASSERT_TRUE(data.get()); - - ASSERT_GE(data->size(), 10u); - RefPtr<SharedBuffer> tempData = SharedBuffer::create(data->data(), data->size() - 10); - decoder->setData(tempData.get(), true); - - EXPECT_EQ(2u, decoder->frameCount()); - EXPECT_FALSE(decoder->failed()); - - decoder->frameBufferAtIndex(0); - EXPECT_FALSE(decoder->failed()); - decoder->frameBufferAtIndex(1); - EXPECT_TRUE(decoder->failed()); -} - -TEST(GIFImageDecoderTest, frameIsComplete) -{ - OwnPtr<GIFImageDecoder> decoder = createDecoder(); - - RefPtr<SharedBuffer> data = readFile("/LayoutTests/fast/images/resources/animated.gif"); - ASSERT_TRUE(data.get()); - decoder->setData(data.get(), true); - - EXPECT_EQ(2u, decoder->frameCount()); - EXPECT_FALSE(decoder->failed()); - EXPECT_TRUE(decoder->frameIsCompleteAtIndex(0)); - EXPECT_TRUE(decoder->frameIsCompleteAtIndex(1)); -} - -TEST(GIFImageDecoderTest, frameIsCompleteLoading) -{ - OwnPtr<GIFImageDecoder> decoder = createDecoder(); - - RefPtr<SharedBuffer> data = readFile("/LayoutTests/fast/images/resources/animated.gif"); - ASSERT_TRUE(data.get()); - - ASSERT_GE(data->size(), 10u); - RefPtr<SharedBuffer> tempData = SharedBuffer::create(data->data(), data->size() - 10); - decoder->setData(tempData.get(), false); - - EXPECT_EQ(2u, decoder->frameCount()); - EXPECT_FALSE(decoder->failed()); - EXPECT_TRUE(decoder->frameIsCompleteAtIndex(0)); - EXPECT_FALSE(decoder->frameIsCompleteAtIndex(1)); - - decoder->setData(data.get(), true); - EXPECT_EQ(2u, decoder->frameCount()); - EXPECT_TRUE(decoder->frameIsCompleteAtIndex(0)); - EXPECT_TRUE(decoder->frameIsCompleteAtIndex(1)); -} - -TEST(GIFImageDecoderTest, badTerminator) -{ - RefPtr<SharedBuffer> referenceData = readFile("/Source/web/tests/data/radient.gif"); - RefPtr<SharedBuffer> testData = readFile("/Source/web/tests/data/radient-bad-terminator.gif"); - ASSERT_TRUE(referenceData.get()); - ASSERT_TRUE(testData.get()); - - OwnPtr<GIFImageDecoder> referenceDecoder(createDecoder()); - referenceDecoder->setData(referenceData.get(), true); - EXPECT_EQ(1u, referenceDecoder->frameCount()); - ImageFrame* referenceFrame = referenceDecoder->frameBufferAtIndex(0); - ASSERT(referenceFrame); - - OwnPtr<GIFImageDecoder> testDecoder(createDecoder()); - testDecoder->setData(testData.get(), true); - EXPECT_EQ(1u, testDecoder->frameCount()); - ImageFrame* testFrame = testDecoder->frameBufferAtIndex(0); - ASSERT(testFrame); - - EXPECT_EQ(hashSkBitmap(referenceFrame->getSkBitmap()), hashSkBitmap(testFrame->getSkBitmap())); -} - -TEST(GIFImageDecoderTest, updateRequiredPreviousFrameAfterFirstDecode) -{ - OwnPtr<GIFImageDecoder> decoder = createDecoder(); - - RefPtr<SharedBuffer> fullData = readFile("/LayoutTests/fast/images/resources/animated-10color.gif"); - ASSERT_TRUE(fullData.get()); - - // Give it data that is enough to parse but not decode in order to check the status - // of requiredPreviousFrameIndex before decoding. - size_t partialSize = 1; - do { - RefPtr<SharedBuffer> data = SharedBuffer::create(fullData->data(), partialSize); - decoder->setData(data.get(), false); - ++partialSize; - } while (!decoder->frameCount() || decoder->frameBufferAtIndex(0)->status() == ImageFrame::FrameEmpty); - - EXPECT_EQ(kNotFound, decoder->frameBufferAtIndex(0)->requiredPreviousFrameIndex()); - unsigned frameCount = decoder->frameCount(); - for (size_t i = 1; i < frameCount; ++i) - EXPECT_EQ(i - 1, decoder->frameBufferAtIndex(i)->requiredPreviousFrameIndex()); - - decoder->setData(fullData.get(), true); - for (size_t i = 0; i < frameCount; ++i) - EXPECT_EQ(kNotFound, decoder->frameBufferAtIndex(i)->requiredPreviousFrameIndex()); -} - -TEST(GIFImageDecoderTest, randomFrameDecode) -{ - // Single frame image. - testRandomFrameDecode("/Source/web/tests/data/radient.gif"); - // Multiple frame images. - testRandomFrameDecode("/LayoutTests/fast/images/resources/animated-gif-with-offsets.gif"); - testRandomFrameDecode("/LayoutTests/fast/images/resources/animated-10color.gif"); -} - -TEST(GIFImageDecoderTest, randomDecodeAfterClearFrameBufferCache) -{ - // Single frame image. - testRandomDecodeAfterClearFrameBufferCache("/Source/web/tests/data/radient.gif"); - // Multiple frame images. - testRandomDecodeAfterClearFrameBufferCache("/LayoutTests/fast/images/resources/animated-gif-with-offsets.gif"); - testRandomDecodeAfterClearFrameBufferCache("/LayoutTests/fast/images/resources/animated-10color.gif"); -} - -TEST(GIFImageDecoderTest, resumePartialDecodeAfterClearFrameBufferCache) -{ - RefPtr<SharedBuffer> fullData = readFile("/LayoutTests/fast/images/resources/animated-10color.gif"); - ASSERT_TRUE(fullData.get()); - Vector<unsigned> baselineHashes; - createDecodingBaseline(fullData.get(), &baselineHashes); - size_t frameCount = baselineHashes.size(); - - OwnPtr<GIFImageDecoder> decoder = createDecoder(); - - // Let frame 0 be partially decoded. - size_t partialSize = 1; - do { - RefPtr<SharedBuffer> data = SharedBuffer::create(fullData->data(), partialSize); - decoder->setData(data.get(), false); - ++partialSize; - } while (!decoder->frameCount() || decoder->frameBufferAtIndex(0)->status() == ImageFrame::FrameEmpty); - - // Skip to the last frame and clear. - decoder->setData(fullData.get(), true); - EXPECT_EQ(frameCount, decoder->frameCount()); - ImageFrame* lastFrame = decoder->frameBufferAtIndex(frameCount - 1); - EXPECT_EQ(baselineHashes[frameCount - 1], hashSkBitmap(lastFrame->getSkBitmap())); - decoder->clearCacheExceptFrame(kNotFound); - - // Resume decoding of the first frame. - ImageFrame* firstFrame = decoder->frameBufferAtIndex(0); - EXPECT_EQ(ImageFrame::FrameComplete, firstFrame->status()); - EXPECT_EQ(baselineHashes[0], hashSkBitmap(firstFrame->getSkBitmap())); -} |