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/*
* 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 "platform/image-decoders/webp/WEBPImageDecoder.h"
#include "platform/RuntimeEnabledFeatures.h"
#include "platform/SharedBuffer.h"
#include "platform/image-decoders/ImageDecoderTestHelpers.h"
#include "public/platform/WebData.h"
#include "public/platform/WebSize.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "wtf/PtrUtil.h"
#include "wtf/Vector.h"
#include "wtf/dtoa/utils.h"
#include <memory>
namespace blink {
namespace {
std::unique_ptr<ImageDecoder> createDecoder(
ImageDecoder::AlphaOption alphaOption) {
return WTF::wrapUnique(new WEBPImageDecoder(
alphaOption, ColorBehavior::transformToTargetForTesting(),
ImageDecoder::noDecodedImageByteLimit));
}
std::unique_ptr<ImageDecoder> createDecoder() {
return createDecoder(ImageDecoder::AlphaNotPremultiplied);
}
// If 'parseErrorExpected' is true, error is expected during parse (frameCount()
// call); else error is expected during decode (frameBufferAtIndex() call).
void testInvalidImage(const char* webpFile, bool parseErrorExpected) {
std::unique_ptr<ImageDecoder> decoder = createDecoder();
RefPtr<SharedBuffer> data = readFile(webpFile);
ASSERT_TRUE(data.get());
decoder->setData(data.get(), true);
if (parseErrorExpected) {
EXPECT_EQ(0u, decoder->frameCount());
EXPECT_FALSE(decoder->frameBufferAtIndex(0));
} else {
EXPECT_GT(decoder->frameCount(), 0u);
ImageFrame* frame = decoder->frameBufferAtIndex(0);
ASSERT_TRUE(frame);
EXPECT_EQ(ImageFrame::FramePartial, frame->getStatus());
}
EXPECT_EQ(cAnimationLoopOnce, decoder->repetitionCount());
EXPECT_TRUE(decoder->failed());
}
} // anonymous namespace
TEST(AnimatedWebPTests, uniqueGenerationIDs) {
std::unique_ptr<ImageDecoder> decoder = createDecoder();
RefPtr<SharedBuffer> data =
readFile("/LayoutTests/images/resources/webp-animated.webp");
ASSERT_TRUE(data.get());
decoder->setData(data.get(), true);
ImageFrame* frame = decoder->frameBufferAtIndex(0);
uint32_t generationID0 = frame->bitmap().getGenerationID();
frame = decoder->frameBufferAtIndex(1);
uint32_t generationID1 = frame->bitmap().getGenerationID();
EXPECT_TRUE(generationID0 != generationID1);
}
TEST(AnimatedWebPTests, verifyAnimationParametersTransparentImage) {
std::unique_ptr<ImageDecoder> decoder = createDecoder();
EXPECT_EQ(cAnimationLoopOnce, decoder->repetitionCount());
RefPtr<SharedBuffer> data =
readFile("/LayoutTests/images/resources/webp-animated.webp");
ASSERT_TRUE(data.get());
decoder->setData(data.get(), true);
const int canvasWidth = 11;
const int canvasHeight = 29;
const struct AnimParam {
int xOffset, yOffset, width, height;
ImageFrame::DisposalMethod disposalMethod;
ImageFrame::AlphaBlendSource alphaBlendSource;
unsigned duration;
bool hasAlpha;
} frameParameters[] = {
{0, 0, 11, 29, ImageFrame::DisposeKeep,
ImageFrame::BlendAtopPreviousFrame, 1000u, true},
{2, 10, 7, 17, ImageFrame::DisposeKeep,
ImageFrame::BlendAtopPreviousFrame, 500u, true},
{2, 2, 7, 16, ImageFrame::DisposeKeep, ImageFrame::BlendAtopPreviousFrame,
1000u, true},
};
for (size_t i = 0; i < WTF_ARRAY_LENGTH(frameParameters); ++i) {
const ImageFrame* const frame = decoder->frameBufferAtIndex(i);
EXPECT_EQ(ImageFrame::FrameComplete, frame->getStatus());
EXPECT_EQ(canvasWidth, frame->bitmap().width());
EXPECT_EQ(canvasHeight, frame->bitmap().height());
EXPECT_EQ(frameParameters[i].xOffset, frame->originalFrameRect().x());
EXPECT_EQ(frameParameters[i].yOffset, frame->originalFrameRect().y());
EXPECT_EQ(frameParameters[i].width, frame->originalFrameRect().width());
EXPECT_EQ(frameParameters[i].height, frame->originalFrameRect().height());
EXPECT_EQ(frameParameters[i].disposalMethod, frame->getDisposalMethod());
EXPECT_EQ(frameParameters[i].alphaBlendSource,
frame->getAlphaBlendSource());
EXPECT_EQ(frameParameters[i].duration, frame->duration());
EXPECT_EQ(frameParameters[i].hasAlpha, frame->hasAlpha());
}
EXPECT_EQ(WTF_ARRAY_LENGTH(frameParameters), decoder->frameCount());
EXPECT_EQ(cAnimationLoopInfinite, decoder->repetitionCount());
}
TEST(AnimatedWebPTests,
verifyAnimationParametersOpaqueFramesTransparentBackground) {
std::unique_ptr<ImageDecoder> decoder = createDecoder();
EXPECT_EQ(cAnimationLoopOnce, decoder->repetitionCount());
RefPtr<SharedBuffer> data =
readFile("/LayoutTests/images/resources/webp-animated-opaque.webp");
ASSERT_TRUE(data.get());
decoder->setData(data.get(), true);
const int canvasWidth = 94;
const int canvasHeight = 87;
const struct AnimParam {
int xOffset, yOffset, width, height;
ImageFrame::DisposalMethod disposalMethod;
ImageFrame::AlphaBlendSource alphaBlendSource;
unsigned duration;
bool hasAlpha;
} frameParameters[] = {
{4, 10, 33, 32, ImageFrame::DisposeOverwriteBgcolor,
ImageFrame::BlendAtopPreviousFrame, 1000u, true},
{34, 30, 33, 32, ImageFrame::DisposeOverwriteBgcolor,
ImageFrame::BlendAtopPreviousFrame, 1000u, true},
{62, 50, 32, 32, ImageFrame::DisposeOverwriteBgcolor,
ImageFrame::BlendAtopPreviousFrame, 1000u, true},
{10, 54, 32, 33, ImageFrame::DisposeOverwriteBgcolor,
ImageFrame::BlendAtopPreviousFrame, 1000u, true},
};
for (size_t i = 0; i < WTF_ARRAY_LENGTH(frameParameters); ++i) {
const ImageFrame* const frame = decoder->frameBufferAtIndex(i);
EXPECT_EQ(ImageFrame::FrameComplete, frame->getStatus());
EXPECT_EQ(canvasWidth, frame->bitmap().width());
EXPECT_EQ(canvasHeight, frame->bitmap().height());
EXPECT_EQ(frameParameters[i].xOffset, frame->originalFrameRect().x());
EXPECT_EQ(frameParameters[i].yOffset, frame->originalFrameRect().y());
EXPECT_EQ(frameParameters[i].width, frame->originalFrameRect().width());
EXPECT_EQ(frameParameters[i].height, frame->originalFrameRect().height());
EXPECT_EQ(frameParameters[i].disposalMethod, frame->getDisposalMethod());
EXPECT_EQ(frameParameters[i].alphaBlendSource,
frame->getAlphaBlendSource());
EXPECT_EQ(frameParameters[i].duration, frame->duration());
EXPECT_EQ(frameParameters[i].hasAlpha, frame->hasAlpha());
}
EXPECT_EQ(WTF_ARRAY_LENGTH(frameParameters), decoder->frameCount());
EXPECT_EQ(cAnimationLoopInfinite, decoder->repetitionCount());
}
TEST(AnimatedWebPTests, verifyAnimationParametersBlendOverwrite) {
std::unique_ptr<ImageDecoder> decoder = createDecoder();
EXPECT_EQ(cAnimationLoopOnce, decoder->repetitionCount());
RefPtr<SharedBuffer> data =
readFile("/LayoutTests/images/resources/webp-animated-no-blend.webp");
ASSERT_TRUE(data.get());
decoder->setData(data.get(), true);
const int canvasWidth = 94;
const int canvasHeight = 87;
const struct AnimParam {
int xOffset, yOffset, width, height;
ImageFrame::DisposalMethod disposalMethod;
ImageFrame::AlphaBlendSource alphaBlendSource;
unsigned duration;
bool hasAlpha;
} frameParameters[] = {
{4, 10, 33, 32, ImageFrame::DisposeOverwriteBgcolor,
ImageFrame::BlendAtopBgcolor, 1000u, true},
{34, 30, 33, 32, ImageFrame::DisposeOverwriteBgcolor,
ImageFrame::BlendAtopBgcolor, 1000u, true},
{62, 50, 32, 32, ImageFrame::DisposeOverwriteBgcolor,
ImageFrame::BlendAtopBgcolor, 1000u, true},
{10, 54, 32, 33, ImageFrame::DisposeOverwriteBgcolor,
ImageFrame::BlendAtopBgcolor, 1000u, true},
};
for (size_t i = 0; i < WTF_ARRAY_LENGTH(frameParameters); ++i) {
const ImageFrame* const frame = decoder->frameBufferAtIndex(i);
EXPECT_EQ(ImageFrame::FrameComplete, frame->getStatus());
EXPECT_EQ(canvasWidth, frame->bitmap().width());
EXPECT_EQ(canvasHeight, frame->bitmap().height());
EXPECT_EQ(frameParameters[i].xOffset, frame->originalFrameRect().x());
EXPECT_EQ(frameParameters[i].yOffset, frame->originalFrameRect().y());
EXPECT_EQ(frameParameters[i].width, frame->originalFrameRect().width());
EXPECT_EQ(frameParameters[i].height, frame->originalFrameRect().height());
EXPECT_EQ(frameParameters[i].disposalMethod, frame->getDisposalMethod());
EXPECT_EQ(frameParameters[i].alphaBlendSource,
frame->getAlphaBlendSource());
EXPECT_EQ(frameParameters[i].duration, frame->duration());
EXPECT_EQ(frameParameters[i].hasAlpha, frame->hasAlpha());
}
EXPECT_EQ(WTF_ARRAY_LENGTH(frameParameters), decoder->frameCount());
EXPECT_EQ(cAnimationLoopInfinite, decoder->repetitionCount());
}
TEST(AnimatedWebPTests, parseAndDecodeByteByByte) {
testByteByByteDecode(&createDecoder,
"/LayoutTests/images/resources/webp-animated.webp", 3u,
cAnimationLoopInfinite);
testByteByByteDecode(
&createDecoder,
"/LayoutTests/images/resources/webp-animated-icc-xmp.webp", 13u, 32000);
}
TEST(AnimatedWebPTests, invalidImages) {
// ANMF chunk size is smaller than ANMF header size.
testInvalidImage("/LayoutTests/images/resources/invalid-animated-webp.webp",
true);
// One of the frame rectangles extends outside the image boundary.
testInvalidImage("/LayoutTests/images/resources/invalid-animated-webp3.webp",
true);
}
TEST(AnimatedWebPTests, truncatedLastFrame) {
std::unique_ptr<ImageDecoder> decoder = createDecoder();
RefPtr<SharedBuffer> data =
readFile("/LayoutTests/images/resources/invalid-animated-webp2.webp");
ASSERT_TRUE(data.get());
decoder->setData(data.get(), true);
size_t frameCount = 8;
EXPECT_EQ(frameCount, decoder->frameCount());
ImageFrame* frame = decoder->frameBufferAtIndex(0);
ASSERT_TRUE(frame);
EXPECT_EQ(ImageFrame::FrameComplete, frame->getStatus());
EXPECT_FALSE(decoder->failed());
frame = decoder->frameBufferAtIndex(frameCount - 1);
ASSERT_TRUE(frame);
EXPECT_EQ(ImageFrame::FramePartial, frame->getStatus());
EXPECT_TRUE(decoder->failed());
frame = decoder->frameBufferAtIndex(0);
ASSERT_TRUE(frame);
EXPECT_EQ(ImageFrame::FrameComplete, frame->getStatus());
}
TEST(AnimatedWebPTests, truncatedInBetweenFrame) {
std::unique_ptr<ImageDecoder> decoder = createDecoder();
RefPtr<SharedBuffer> fullData =
readFile("/LayoutTests/images/resources/invalid-animated-webp4.webp");
ASSERT_TRUE(fullData.get());
RefPtr<SharedBuffer> data =
SharedBuffer::create(fullData->data(), fullData->size() - 1);
decoder->setData(data.get(), false);
ImageFrame* frame = decoder->frameBufferAtIndex(1);
ASSERT_TRUE(frame);
EXPECT_EQ(ImageFrame::FrameComplete, frame->getStatus());
frame = decoder->frameBufferAtIndex(2);
ASSERT_TRUE(frame);
EXPECT_EQ(ImageFrame::FramePartial, frame->getStatus());
EXPECT_TRUE(decoder->failed());
}
// Tests for a crash that used to happen for a specific file with specific
// sequence of method calls.
TEST(AnimatedWebPTests, reproCrash) {
std::unique_ptr<ImageDecoder> decoder = createDecoder();
RefPtr<SharedBuffer> fullData =
readFile("/LayoutTests/images/resources/invalid_vp8_vp8x.webp");
ASSERT_TRUE(fullData.get());
// Parse partial data up to which error in bitstream is not detected.
const size_t partialSize = 32768;
ASSERT_GT(fullData->size(), partialSize);
RefPtr<SharedBuffer> data =
SharedBuffer::create(fullData->data(), partialSize);
decoder->setData(data.get(), false);
EXPECT_EQ(1u, decoder->frameCount());
ImageFrame* frame = decoder->frameBufferAtIndex(0);
ASSERT_TRUE(frame);
EXPECT_EQ(ImageFrame::FramePartial, frame->getStatus());
EXPECT_FALSE(decoder->failed());
// Parse full data now. The error in bitstream should now be detected.
decoder->setData(fullData.get(), true);
EXPECT_EQ(1u, decoder->frameCount());
frame = decoder->frameBufferAtIndex(0);
ASSERT_TRUE(frame);
EXPECT_EQ(ImageFrame::FramePartial, frame->getStatus());
EXPECT_EQ(cAnimationLoopOnce, decoder->repetitionCount());
EXPECT_TRUE(decoder->failed());
}
TEST(AnimatedWebPTests, progressiveDecode) {
testProgressiveDecoding(&createDecoder,
"/LayoutTests/images/resources/webp-animated.webp");
}
TEST(AnimatedWebPTests, frameIsCompleteAndDuration) {
std::unique_ptr<ImageDecoder> decoder = createDecoder();
RefPtr<SharedBuffer> data =
readFile("/LayoutTests/images/resources/webp-animated.webp");
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_EQ(1000, decoder->frameDurationAtIndex(0));
EXPECT_TRUE(decoder->frameIsCompleteAtIndex(1));
EXPECT_EQ(500, decoder->frameDurationAtIndex(1));
decoder->setData(data.get(), true);
EXPECT_EQ(3u, decoder->frameCount());
EXPECT_TRUE(decoder->frameIsCompleteAtIndex(0));
EXPECT_EQ(1000, decoder->frameDurationAtIndex(0));
EXPECT_TRUE(decoder->frameIsCompleteAtIndex(1));
EXPECT_EQ(500, decoder->frameDurationAtIndex(1));
EXPECT_TRUE(decoder->frameIsCompleteAtIndex(2));
EXPECT_EQ(1000.0, decoder->frameDurationAtIndex(2));
}
TEST(AnimatedWebPTests, updateRequiredPreviousFrameAfterFirstDecode) {
testUpdateRequiredPreviousFrameAfterFirstDecode(
&createDecoder, "/LayoutTests/images/resources/webp-animated.webp");
}
TEST(AnimatedWebPTests, randomFrameDecode) {
testRandomFrameDecode(&createDecoder,
"/LayoutTests/images/resources/webp-animated.webp");
testRandomFrameDecode(
&createDecoder,
"/LayoutTests/images/resources/webp-animated-opaque.webp");
testRandomFrameDecode(
&createDecoder, "/LayoutTests/images/resources/webp-animated-large.webp");
testRandomFrameDecode(
&createDecoder,
"/LayoutTests/images/resources/webp-animated-icc-xmp.webp");
}
TEST(AnimatedWebPTests, randomDecodeAfterClearFrameBufferCache) {
testRandomDecodeAfterClearFrameBufferCache(
&createDecoder, "/LayoutTests/images/resources/webp-animated.webp");
testRandomDecodeAfterClearFrameBufferCache(
&createDecoder,
"/LayoutTests/images/resources/webp-animated-opaque.webp");
testRandomDecodeAfterClearFrameBufferCache(
&createDecoder, "/LayoutTests/images/resources/webp-animated-large.webp");
testRandomDecodeAfterClearFrameBufferCache(
&createDecoder,
"/LayoutTests/images/resources/webp-animated-icc-xmp.webp");
}
// This test is disabled since it timed out on the Windows bot. See
// crrev.com/962853004
TEST(AnimatedWebPTests,
DISABLED_resumePartialDecodeAfterClearFrameBufferCache) {
testResumePartialDecodeAfterClearFrameBufferCache(
&createDecoder, "/LayoutTests/images/resources/webp-animated-large.webp");
}
TEST(AnimatedWebPTests, decodeAfterReallocatingData) {
testDecodeAfterReallocatingData(
&createDecoder, "/LayoutTests/images/resources/webp-animated.webp");
testDecodeAfterReallocatingData(
&createDecoder,
"/LayoutTests/images/resources/webp-animated-icc-xmp.webp");
}
TEST(AnimatedWebPTests, alphaBlending) {
testAlphaBlending(&createDecoder,
"/LayoutTests/images/resources/webp-animated.webp");
testAlphaBlending(
&createDecoder,
"/LayoutTests/images/resources/webp-animated-semitransparent1.webp");
testAlphaBlending(
&createDecoder,
"/LayoutTests/images/resources/webp-animated-semitransparent2.webp");
testAlphaBlending(
&createDecoder,
"/LayoutTests/images/resources/webp-animated-semitransparent3.webp");
testAlphaBlending(
&createDecoder,
"/LayoutTests/images/resources/webp-animated-semitransparent4.webp");
}
TEST(AnimatedWebPTests, isSizeAvailable) {
testByteByByteSizeAvailable(
&createDecoder, "/LayoutTests/images/resources/webp-animated.webp", 142u,
false, cAnimationLoopInfinite);
// FIXME: Add color profile support for animated webp images.
testByteByByteSizeAvailable(
&createDecoder,
"/LayoutTests/images/resources/webp-animated-icc-xmp.webp", 1404u, false,
32000);
}
TEST(AnimatedWEBPTests, clearCacheExceptFrameWithAncestors) {
std::unique_ptr<ImageDecoder> decoder = createDecoder();
RefPtr<SharedBuffer> fullData =
readFile("/LayoutTests/images/resources/webp-animated.webp");
ASSERT_TRUE(fullData.get());
decoder->setData(fullData.get(), true);
ASSERT_EQ(3u, decoder->frameCount());
// We need to store pointers to the image frames, since calling
// frameBufferAtIndex will decode the frame if it is not FrameComplete,
// and we want to read the status of the frame without decoding it again.
ImageFrame* buffers[3];
size_t bufferSizes[3];
for (size_t i = 0; i < decoder->frameCount(); i++) {
buffers[i] = decoder->frameBufferAtIndex(i);
ASSERT_EQ(ImageFrame::FrameComplete, buffers[i]->getStatus());
bufferSizes[i] = decoder->frameBytesAtIndex(i);
}
// Explicitly set the required previous frame for the frames, since this test
// is designed on this chain. Whether the frames actually depend on each
// other is not important for this test - clearCacheExceptFrame just looks at
// the frame status and the required previous frame.
buffers[1]->setRequiredPreviousFrameIndex(0);
buffers[2]->setRequiredPreviousFrameIndex(1);
// Clear the cache except for a single frame. All other frames should be
// cleared to FrameEmpty, since this frame is FrameComplete.
EXPECT_EQ(bufferSizes[0] + bufferSizes[2], decoder->clearCacheExceptFrame(1));
EXPECT_EQ(ImageFrame::FrameEmpty, buffers[0]->getStatus());
EXPECT_EQ(ImageFrame::FrameComplete, buffers[1]->getStatus());
EXPECT_EQ(ImageFrame::FrameEmpty, buffers[2]->getStatus());
// Verify that the required previous frame is also preserved if the provided
// frame is not FrameComplete. The simulated situation is:
//
// Frame 0 <--------- Frame 1 <--------- Frame 2
// FrameComplete depends on FrameComplete depends on FramePartial
//
// The expected outcome is that frame 1 and frame 2 are preserved, since
// frame 1 is necessary to fully decode frame 2.
for (size_t i = 0; i < decoder->frameCount(); i++) {
ASSERT_EQ(ImageFrame::FrameComplete,
decoder->frameBufferAtIndex(i)->getStatus());
}
buffers[2]->setStatus(ImageFrame::FramePartial);
EXPECT_EQ(bufferSizes[0], decoder->clearCacheExceptFrame(2));
EXPECT_EQ(ImageFrame::FrameEmpty, buffers[0]->getStatus());
EXPECT_EQ(ImageFrame::FrameComplete, buffers[1]->getStatus());
EXPECT_EQ(ImageFrame::FramePartial, buffers[2]->getStatus());
// Verify that the nearest FrameComplete required frame is preserved if
// earlier required frames in the ancestor list are not FrameComplete. The
// simulated situation is:
//
// Frame 0 <--------- Frame 1 <--------- Frame 2
// FrameComplete depends on FrameEmpty depends on FramePartial
//
// The expected outcome is that frame 0 and frame 2 are preserved. Frame 2
// should be preserved since it is the frame passed to clearCacheExceptFrame.
// Frame 0 should be preserved since it is the nearest FrameComplete ancestor.
// Thus, since frame 1 is FrameEmpty, no data is cleared in this case.
for (size_t i = 0; i < decoder->frameCount(); i++) {
ASSERT_EQ(ImageFrame::FrameComplete,
decoder->frameBufferAtIndex(i)->getStatus());
}
buffers[1]->setStatus(ImageFrame::FrameEmpty);
buffers[2]->setStatus(ImageFrame::FramePartial);
EXPECT_EQ(0u, decoder->clearCacheExceptFrame(2));
EXPECT_EQ(ImageFrame::FrameComplete, buffers[0]->getStatus());
EXPECT_EQ(ImageFrame::FrameEmpty, buffers[1]->getStatus());
EXPECT_EQ(ImageFrame::FramePartial, buffers[2]->getStatus());
}
TEST(StaticWebPTests, truncatedImage) {
// VP8 data is truncated.
testInvalidImage("/LayoutTests/images/resources/truncated.webp", false);
// Chunk size in RIFF header doesn't match the file size.
testInvalidImage("/LayoutTests/images/resources/truncated2.webp", true);
}
// Regression test for a bug where some valid images were failing to decode
// incrementally.
TEST(StaticWebPTests, incrementalDecode) {
testByteByByteDecode(&createDecoder,
"/LayoutTests/images/resources/crbug.364830.webp", 1u,
cAnimationNone);
}
TEST(StaticWebPTests, isSizeAvailable) {
testByteByByteSizeAvailable(
&createDecoder,
"/LayoutTests/images/resources/webp-color-profile-lossy.webp", 520u, true,
cAnimationNone);
testByteByByteSizeAvailable(&createDecoder,
"/LayoutTests/images/resources/test.webp", 30u,
false, cAnimationNone);
}
TEST(StaticWebPTests, notAnimated) {
std::unique_ptr<ImageDecoder> decoder = createDecoder();
RefPtr<SharedBuffer> data =
readFile("/LayoutTests/images/resources/webp-color-profile-lossy.webp");
ASSERT_TRUE(data.get());
decoder->setData(data.get(), true);
EXPECT_EQ(1u, decoder->frameCount());
EXPECT_EQ(cAnimationNone, decoder->repetitionCount());
}
} // namespace blink
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