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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#ifndef mozilla_image_test_gtest_Common_h
#define mozilla_image_test_gtest_Common_h
#include <vector>
#include "gtest/gtest.h"
#include "mozilla/Attributes.h"
#include "mozilla/gtest/MozAssertions.h"
#include "mozilla/Maybe.h"
#include "mozilla/UniquePtr.h"
#include "mozilla/gfx/2D.h"
#include "Decoder.h"
#include "gfxColor.h"
#include "gfxPlatform.h"
#include "nsCOMPtr.h"
#include "SurfaceFlags.h"
#include "SurfacePipe.h"
#include "SurfacePipeFactory.h"
class nsIInputStream;
namespace mozilla {
namespace image {
///////////////////////////////////////////////////////////////////////////////
// Types
///////////////////////////////////////////////////////////////////////////////
struct BGRAColor {
BGRAColor() : BGRAColor(0, 0, 0, 0) {}
BGRAColor(uint8_t aBlue, uint8_t aGreen, uint8_t aRed, uint8_t aAlpha,
bool aPremultiplied = false, bool asRGB = true)
: mBlue(aBlue),
mGreen(aGreen),
mRed(aRed),
mAlpha(aAlpha),
mPremultiplied(aPremultiplied),
msRGB(asRGB) {}
static BGRAColor Green() { return BGRAColor(0x00, 0xFF, 0x00, 0xFF); }
static BGRAColor Red() { return BGRAColor(0x00, 0x00, 0xFF, 0xFF); }
static BGRAColor Blue() { return BGRAColor(0xFF, 0x00, 0x00, 0xFF); }
static BGRAColor Transparent() { return BGRAColor(0x00, 0x00, 0x00, 0x00); }
static BGRAColor FromPixel(uint32_t aPixel) {
uint8_t r, g, b, a;
r = (aPixel >> gfx::SurfaceFormatBit::OS_R) & 0xFF;
g = (aPixel >> gfx::SurfaceFormatBit::OS_G) & 0xFF;
b = (aPixel >> gfx::SurfaceFormatBit::OS_B) & 0xFF;
a = (aPixel >> gfx::SurfaceFormatBit::OS_A) & 0xFF;
return BGRAColor(b, g, r, a, true);
}
BGRAColor DeviceColor() const {
MOZ_RELEASE_ASSERT(!mPremultiplied);
if (msRGB) {
gfx::DeviceColor color = gfx::ToDeviceColor(
gfx::sRGBColor(float(mRed) / 255.0f, float(mGreen) / 255.0f,
float(mBlue) / 255.0f, 1.0));
return BGRAColor(uint8_t(color.b * 255.0f), uint8_t(color.g * 255.0f),
uint8_t(color.r * 255.0f), mAlpha, mPremultiplied,
/* asRGB */ false);
}
return *this;
}
BGRAColor sRGBColor() const {
MOZ_RELEASE_ASSERT(msRGB);
MOZ_RELEASE_ASSERT(!mPremultiplied);
return *this;
}
BGRAColor Premultiply() const {
if (!mPremultiplied) {
return BGRAColor(gfxPreMultiply(mBlue, mAlpha),
gfxPreMultiply(mGreen, mAlpha),
gfxPreMultiply(mRed, mAlpha), mAlpha, true);
}
return *this;
}
uint32_t AsPixel() const {
if (!mPremultiplied) {
return gfxPackedPixel(mAlpha, mRed, mGreen, mBlue);
}
return gfxPackedPixelNoPreMultiply(mAlpha, mRed, mGreen, mBlue);
}
uint8_t mBlue;
uint8_t mGreen;
uint8_t mRed;
uint8_t mAlpha;
bool mPremultiplied;
bool msRGB;
};
enum TestCaseFlags {
TEST_CASE_DEFAULT_FLAGS = 0,
TEST_CASE_IS_FUZZY = 1 << 0,
TEST_CASE_HAS_ERROR = 1 << 1,
TEST_CASE_IS_TRANSPARENT = 1 << 2,
TEST_CASE_IS_ANIMATED = 1 << 3,
TEST_CASE_IGNORE_OUTPUT = 1 << 4,
TEST_CASE_ASSUME_SRGB_OUTPUT = 1 << 5,
};
struct ImageTestCase {
ImageTestCase(const char* aPath, const char* aMimeType, gfx::IntSize aSize,
uint32_t aFlags = TEST_CASE_DEFAULT_FLAGS)
: mPath(aPath),
mMimeType(aMimeType),
mSize(aSize),
mOutputSize(aSize),
mFlags(aFlags),
mSurfaceFlags(DefaultSurfaceFlags()),
mColor(BGRAColor::Green()) {}
ImageTestCase(const char* aPath, const char* aMimeType, gfx::IntSize aSize,
gfx::IntSize aOutputSize,
uint32_t aFlags = TEST_CASE_DEFAULT_FLAGS)
: mPath(aPath),
mMimeType(aMimeType),
mSize(aSize),
mOutputSize(aOutputSize),
mFlags(aFlags),
mSurfaceFlags(DefaultSurfaceFlags()),
mColor(BGRAColor::Green()) {}
ImageTestCase WithSurfaceFlags(SurfaceFlags aSurfaceFlags) const {
ImageTestCase self = *this;
self.mSurfaceFlags = aSurfaceFlags;
return self;
}
ImageTestCase WithFlags(uint32_t aFlags) const {
ImageTestCase self = *this;
self.mFlags = aFlags;
return self;
}
BGRAColor ChooseColor(const BGRAColor& aColor) const {
// If we are forcing the output to be sRGB via the surface flag, or the
// test case is marked as assuming sRGB (used when the image itself is not
// explicitly tagged, and as a result, imagelib won't perform any color
// conversion), we should use the sRGB presentation of the color.
if ((mSurfaceFlags & SurfaceFlags::TO_SRGB_COLORSPACE) ||
(mFlags & TEST_CASE_ASSUME_SRGB_OUTPUT)) {
return aColor.sRGBColor();
}
return aColor.DeviceColor();
}
BGRAColor Color() const { return ChooseColor(mColor); }
uint8_t Fuzz() const {
// If we are using device space, there can easily be off by 1 channel errors
// depending on the color profile and how the rounding went.
if (mFlags & TEST_CASE_IS_FUZZY ||
!(mSurfaceFlags & SurfaceFlags::TO_SRGB_COLORSPACE)) {
return 1;
}
return 0;
}
const char* mPath;
const char* mMimeType;
gfx::IntSize mSize;
gfx::IntSize mOutputSize;
uint32_t mFlags;
SurfaceFlags mSurfaceFlags;
BGRAColor mColor;
};
///////////////////////////////////////////////////////////////////////////////
// General Helpers
///////////////////////////////////////////////////////////////////////////////
/**
* A RAII class that ensure that ImageLib services are available. Any tests that
* require ImageLib to be initialized (for example, any test that uses the
* SurfaceCache; see image::EnsureModuleInitialized() for the full list) can
* use this class to ensure that ImageLib services are available. Failure to do
* so can result in strange, non-deterministic failures.
*/
class AutoInitializeImageLib {
public:
AutoInitializeImageLib();
};
/**
* A test fixture class used for benchmark tests. It preloads the image data
* from disk to avoid including that in the timing.
*/
class ImageBenchmarkBase : public ::testing::Test {
protected:
ImageBenchmarkBase(const ImageTestCase& aTestCase) : mTestCase(aTestCase) {}
void SetUp() override;
void TearDown() override;
AutoInitializeImageLib mInit;
ImageTestCase mTestCase;
RefPtr<SourceBuffer> mSourceBuffer;
};
/// Spins on the main thread to process any pending events.
void SpinPendingEvents();
/// Loads a file from the current directory. @return an nsIInputStream for it.
already_AddRefed<nsIInputStream> LoadFile(const char* aRelativePath);
/**
* @returns true if every pixel of @aSurface is @aColor.
*
* If @aFuzz is nonzero, a tolerance of @aFuzz is allowed in each color
* component. This may be necessary for tests that involve JPEG images or
* downscaling.
*/
bool IsSolidColor(gfx::SourceSurface* aSurface, BGRAColor aColor,
uint8_t aFuzz = 0);
/**
* @returns true if every pixel in the range of rows specified by @aStartRow and
* @aRowCount of @aSurface is @aColor.
*
* If @aFuzz is nonzero, a tolerance of @aFuzz is allowed in each color
* component. This may be necessary for tests that involve JPEG images or
* downscaling.
*/
bool RowsAreSolidColor(gfx::SourceSurface* aSurface, int32_t aStartRow,
int32_t aRowCount, BGRAColor aColor, uint8_t aFuzz = 0);
/**
* @returns true if every pixel in the rect specified by @aRect is @aColor.
*
* If @aFuzz is nonzero, a tolerance of @aFuzz is allowed in each color
* component. This may be necessary for tests that involve JPEG images or
* downscaling.
*/
bool RectIsSolidColor(gfx::SourceSurface* aSurface, const gfx::IntRect& aRect,
BGRAColor aColor, uint8_t aFuzz = 0);
/**
* @returns true if the pixels in @aRow of @aSurface match the pixels given in
* @aPixels.
*/
bool RowHasPixels(gfx::SourceSurface* aSurface, int32_t aRow,
const std::vector<BGRAColor>& aPixels);
// ExpectNoResume is an IResumable implementation for use by tests that expect
// Resume() to never get called.
class ExpectNoResume final : public IResumable {
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(ExpectNoResume, override)
void Resume() override { FAIL() << "Resume() should not get called"; }
private:
~ExpectNoResume() override {}
};
// CountResumes is an IResumable implementation for use by tests that expect
// Resume() to get called a certain number of times.
class CountResumes : public IResumable {
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(CountResumes, override)
CountResumes() : mCount(0) {}
void Resume() override { mCount++; }
uint32_t Count() const { return mCount; }
private:
~CountResumes() override {}
uint32_t mCount;
};
///////////////////////////////////////////////////////////////////////////////
// SurfacePipe Helpers
///////////////////////////////////////////////////////////////////////////////
/**
* Creates a decoder with no data associated with, suitable for testing code
* that requires a decoder to initialize or to allocate surfaces but doesn't
* actually need the decoder to do any decoding.
*
* XXX(seth): We only need this because SurfaceSink defer to the decoder for
* surface allocation. Once all decoders use SurfacePipe we won't need to do
* that anymore and we can remove this function.
*/
already_AddRefed<Decoder> CreateTrivialDecoder();
/**
* Creates a pipeline of SurfaceFilters from a list of Config structs and passes
* it to the provided lambda @aFunc. Assertions that the pipeline is constructly
* correctly and cleanup of any allocated surfaces is handled automatically.
*
* @param aDecoder The decoder to use for allocating surfaces.
* @param aFunc The lambda function to pass the filter pipeline to.
* @param aConfigs The configuration for the pipeline.
*/
template <typename Func, typename... Configs>
void WithFilterPipeline(Decoder* aDecoder, Func aFunc, bool aFinish,
const Configs&... aConfigs) {
auto pipe = MakeUnique<typename detail::FilterPipeline<Configs...>::Type>();
nsresult rv = pipe->Configure(aConfigs...);
ASSERT_NS_SUCCEEDED(rv);
aFunc(aDecoder, pipe.get());
if (aFinish) {
RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef();
if (currentFrame) {
currentFrame->Finish();
}
}
}
template <typename Func, typename... Configs>
void WithFilterPipeline(Decoder* aDecoder, Func aFunc,
const Configs&... aConfigs) {
WithFilterPipeline(aDecoder, aFunc, true, aConfigs...);
}
/**
* Creates a pipeline of SurfaceFilters from a list of Config structs and
* asserts that configuring it fails. Cleanup of any allocated surfaces is
* handled automatically.
*
* @param aDecoder The decoder to use for allocating surfaces.
* @param aConfigs The configuration for the pipeline.
*/
template <typename... Configs>
void AssertConfiguringPipelineFails(Decoder* aDecoder,
const Configs&... aConfigs) {
auto pipe = MakeUnique<typename detail::FilterPipeline<Configs...>::Type>();
nsresult rv = pipe->Configure(aConfigs...);
// Callers expect configuring the pipeline to fail.
ASSERT_NS_FAILED(rv);
RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef();
if (currentFrame) {
currentFrame->Finish();
}
}
/**
* Asserts that the provided filter pipeline is in the correct final state,
* which is to say, the entire surface has been written to (IsSurfaceFinished()
* returns true) and the invalid rects are as expected.
*
* @param aFilter The filter pipeline to check.
* @param aInputSpaceRect The expect invalid rect, in input space.
* @param aoutputSpaceRect The expect invalid rect, in output space.
*/
void AssertCorrectPipelineFinalState(SurfaceFilter* aFilter,
const gfx::IntRect& aInputSpaceRect,
const gfx::IntRect& aOutputSpaceRect);
/**
* Checks a generated image for correctness. Reports any unexpected deviation
* from the expected image as GTest failures.
*
* @param aDecoder The decoder which contains the image. The decoder's current
* frame will be checked.
* @param aRect The region in the space of the output surface that the filter
* pipeline will actually write to. It's expected that pixels in
* this region are green, while pixels outside this region are
* transparent.
* @param aFuzz The amount of fuzz to use in pixel comparisons.
*/
void CheckGeneratedImage(Decoder* aDecoder, const gfx::IntRect& aRect,
uint8_t aFuzz = 0);
/**
* Checks a generated surface for correctness. Reports any unexpected deviation
* from the expected image as GTest failures.
*
* @param aSurface The surface to check.
* @param aRect The region in the space of the output surface that the filter
* pipeline will actually write to.
* @param aInnerColor Check that pixels inside of aRect are this color.
* @param aOuterColor Check that pixels outside of aRect are this color.
* @param aFuzz The amount of fuzz to use in pixel comparisons.
*/
void CheckGeneratedSurface(gfx::SourceSurface* aSurface,
const gfx::IntRect& aRect,
const BGRAColor& aInnerColor,
const BGRAColor& aOuterColor, uint8_t aFuzz = 0);
/**
* Tests the result of calling WritePixels() using the provided SurfaceFilter
* pipeline. The pipeline must be a normal (i.e., non-paletted) pipeline.
*
* The arguments are specified in the an order intended to minimize the number
* of arguments that most test cases need to pass.
*
* @param aDecoder The decoder whose current frame will be written to.
* @param aFilter The SurfaceFilter pipeline to use.
* @param aOutputRect The region in the space of the output surface that will be
* invalidated by the filter pipeline. Defaults to
* (0, 0, 100, 100).
* @param aInputRect The region in the space of the input image that will be
* invalidated by the filter pipeline. Defaults to
* (0, 0, 100, 100).
* @param aInputWriteRect The region in the space of the input image that the
* filter pipeline will allow writes to. Note the
* difference from @aInputRect: @aInputRect is the actual
* region invalidated, while @aInputWriteRect is the
* region that is written to. These can differ in cases
* where the input is not clipped to the size of the
* image. Defaults to the entire input rect.
* @param aOutputWriteRect The region in the space of the output surface that
* the filter pipeline will actually write to. It's
* expected that pixels in this region are green, while
* pixels outside this region are transparent. Defaults
* to the entire output rect.
*/
void CheckWritePixels(Decoder* aDecoder, SurfaceFilter* aFilter,
const Maybe<gfx::IntRect>& aOutputRect = Nothing(),
const Maybe<gfx::IntRect>& aInputRect = Nothing(),
const Maybe<gfx::IntRect>& aInputWriteRect = Nothing(),
const Maybe<gfx::IntRect>& aOutputWriteRect = Nothing(),
uint8_t aFuzz = 0);
/**
* Tests the result of calling WritePixels() using the provided SurfaceFilter
* pipeline. Allows for control over the input color to write, and the expected
* output color.
* @see CheckWritePixels() for documentation of the arguments.
*/
void CheckTransformedWritePixels(
Decoder* aDecoder, SurfaceFilter* aFilter, const BGRAColor& aInputColor,
const BGRAColor& aOutputColor,
const Maybe<gfx::IntRect>& aOutputRect = Nothing(),
const Maybe<gfx::IntRect>& aInputRect = Nothing(),
const Maybe<gfx::IntRect>& aInputWriteRect = Nothing(),
const Maybe<gfx::IntRect>& aOutputWriteRect = Nothing(), uint8_t aFuzz = 0);
///////////////////////////////////////////////////////////////////////////////
// Decoder Helpers
///////////////////////////////////////////////////////////////////////////////
// Friend class of Decoder to access internals for tests.
class MOZ_STACK_CLASS DecoderTestHelper final {
public:
explicit DecoderTestHelper(Decoder* aDecoder) : mDecoder(aDecoder) {}
void PostIsAnimated(FrameTimeout aTimeout) {
mDecoder->PostIsAnimated(aTimeout);
}
void PostFrameStop(Opacity aOpacity) { mDecoder->PostFrameStop(aOpacity); }
private:
Decoder* mDecoder;
};
///////////////////////////////////////////////////////////////////////////////
// Test Data
///////////////////////////////////////////////////////////////////////////////
ImageTestCase GreenPNGTestCase();
ImageTestCase GreenGIFTestCase();
ImageTestCase GreenJPGTestCase();
ImageTestCase GreenBMPTestCase();
ImageTestCase GreenICOTestCase();
ImageTestCase GreenIconTestCase();
ImageTestCase GreenWebPTestCase();
ImageTestCase GreenAVIFTestCase();
ImageTestCase NonzeroReservedAVIFTestCase();
ImageTestCase MultipleColrAVIFTestCase();
ImageTestCase Transparent10bit420AVIFTestCase();
ImageTestCase Transparent10bit422AVIFTestCase();
ImageTestCase Transparent10bit444AVIFTestCase();
ImageTestCase Transparent12bit420AVIFTestCase();
ImageTestCase Transparent12bit422AVIFTestCase();
ImageTestCase Transparent12bit444AVIFTestCase();
ImageTestCase Transparent8bit420AVIFTestCase();
ImageTestCase Transparent8bit422AVIFTestCase();
ImageTestCase Transparent8bit444AVIFTestCase();
ImageTestCase Gray8bitLimitedRangeBT601AVIFTestCase();
ImageTestCase Gray8bitLimitedRangeBT709AVIFTestCase();
ImageTestCase Gray8bitLimitedRangeBT2020AVIFTestCase();
ImageTestCase Gray8bitFullRangeBT601AVIFTestCase();
ImageTestCase Gray8bitFullRangeBT709AVIFTestCase();
ImageTestCase Gray8bitFullRangeBT2020AVIFTestCase();
ImageTestCase Gray10bitLimitedRangeBT601AVIFTestCase();
ImageTestCase Gray10bitLimitedRangeBT709AVIFTestCase();
ImageTestCase Gray10bitLimitedRangeBT2020AVIFTestCase();
ImageTestCase Gray10bitFullRangeBT601AVIFTestCase();
ImageTestCase Gray10bitFullRangeBT709AVIFTestCase();
ImageTestCase Gray10bitFullRangeBT2020AVIFTestCase();
ImageTestCase Gray12bitLimitedRangeBT601AVIFTestCase();
ImageTestCase Gray12bitLimitedRangeBT709AVIFTestCase();
ImageTestCase Gray12bitLimitedRangeBT2020AVIFTestCase();
ImageTestCase Gray12bitFullRangeBT601AVIFTestCase();
ImageTestCase Gray12bitFullRangeBT709AVIFTestCase();
ImageTestCase Gray12bitFullRangeBT2020AVIFTestCase();
ImageTestCase Gray8bitLimitedRangeGrayscaleAVIFTestCase();
ImageTestCase Gray8bitFullRangeGrayscaleAVIFTestCase();
ImageTestCase Gray10bitLimitedRangeGrayscaleAVIFTestCase();
ImageTestCase Gray10bitFullRangeGrayscaleAVIFTestCase();
ImageTestCase Gray12bitLimitedRangeGrayscaleAVIFTestCase();
ImageTestCase Gray12bitFullRangeGrayscaleAVIFTestCase();
ImageTestCase StackCheckAVIFTestCase();
ImageTestCase LargeWebPTestCase();
ImageTestCase GreenWebPIccSrgbTestCase();
ImageTestCase GreenFirstFrameAnimatedGIFTestCase();
ImageTestCase GreenFirstFrameAnimatedPNGTestCase();
ImageTestCase GreenFirstFrameAnimatedWebPTestCase();
ImageTestCase GreenFirstFrameAnimatedAVIFTestCase();
ImageTestCase BlendAnimatedGIFTestCase();
ImageTestCase BlendAnimatedPNGTestCase();
ImageTestCase BlendAnimatedWebPTestCase();
ImageTestCase BlendAnimatedAVIFTestCase();
ImageTestCase CorruptTestCase();
ImageTestCase CorruptBMPWithTruncatedHeader();
ImageTestCase CorruptICOWithBadBMPWidthTestCase();
ImageTestCase CorruptICOWithBadBMPHeightTestCase();
ImageTestCase CorruptICOWithBadBppTestCase();
ImageTestCase TransparentPNGTestCase();
ImageTestCase TransparentGIFTestCase();
ImageTestCase TransparentWebPTestCase();
ImageTestCase TransparentNoAlphaHeaderWebPTestCase();
ImageTestCase FirstFramePaddingGIFTestCase();
ImageTestCase TransparentIfWithinICOBMPTestCase(TestCaseFlags aFlags);
ImageTestCase NoFrameDelayGIFTestCase();
ImageTestCase ExtraImageSubBlocksAnimatedGIFTestCase();
ImageTestCase TransparentBMPWhenBMPAlphaEnabledTestCase();
ImageTestCase RLE4BMPTestCase();
ImageTestCase RLE8BMPTestCase();
ImageTestCase DownscaledPNGTestCase();
ImageTestCase DownscaledGIFTestCase();
ImageTestCase DownscaledJPGTestCase();
ImageTestCase DownscaledBMPTestCase();
ImageTestCase DownscaledICOTestCase();
ImageTestCase DownscaledIconTestCase();
ImageTestCase DownscaledWebPTestCase();
ImageTestCase DownscaledTransparentICOWithANDMaskTestCase();
ImageTestCase TruncatedSmallGIFTestCase();
ImageTestCase LargeICOWithBMPTestCase();
ImageTestCase LargeICOWithPNGTestCase();
ImageTestCase GreenMultipleSizesICOTestCase();
ImageTestCase PerfGrayJPGTestCase();
ImageTestCase PerfCmykJPGTestCase();
ImageTestCase PerfYCbCrJPGTestCase();
ImageTestCase PerfRgbPNGTestCase();
ImageTestCase PerfRgbAlphaPNGTestCase();
ImageTestCase PerfGrayPNGTestCase();
ImageTestCase PerfGrayAlphaPNGTestCase();
ImageTestCase PerfRgbLosslessWebPTestCase();
ImageTestCase PerfRgbAlphaLosslessWebPTestCase();
ImageTestCase PerfRgbLossyWebPTestCase();
ImageTestCase PerfRgbAlphaLossyWebPTestCase();
ImageTestCase PerfRgbGIFTestCase();
ImageTestCase CorruptAVIFTestCase();
ImageTestCase DownscaledAVIFTestCase();
ImageTestCase LargeAVIFTestCase();
ImageTestCase MultiLayerAVIFTestCase();
ImageTestCase TransparentAVIFTestCase();
#ifdef MOZ_JXL
ImageTestCase GreenJXLTestCase();
ImageTestCase DownscaledJXLTestCase();
ImageTestCase LargeJXLTestCase();
ImageTestCase TransparentJXLTestCase();
#endif
ImageTestCase ExifResolutionTestCase();
RefPtr<Image> TestCaseToDecodedImage(const ImageTestCase&);
} // namespace image
} // namespace mozilla
#endif // mozilla_image_test_gtest_Common_h