chromium/services/image_annotation/public/cpp/image_processor_unittest.cc

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/351564777): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#include "services/image_annotation/public/cpp/image_processor.h"

#include <cmath>
#include <limits>

#include "base/functional/bind.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/test/task_environment.h"
#include "services/image_annotation/image_annotation_metrics.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/gfx/codec/jpeg_codec.h"

namespace image_annotation {

namespace {

Eq;
Lt;

constexpr double kMaxError = …;

// Generates an image of size |dim|x|dim| containing an 8x8 black and white
// checkerboard pattern.
SkBitmap GenCheckerboardBitmap(const int dim) { … }

// Returns the mean sum of squared distance between each channel of each pixel
// in the original and compressed images.
double CalcImageError(const SkBitmap& orig, const SkBitmap& comp) { … }

// Takes an expected image and the actual image produced, and outputs the
// mean sum of squared distance between their pixels.
void OutputImageError(double* const error,
                      const SkBitmap& expected,
                      const std::vector<uint8_t>& result,
                      const int32_t width,
                      const int32_t height) { … }

}  // namespace

TEST(ImageProcessorTest, NullImage) { … }

TEST(ImageProcessorTest, ImageContent) { … }

}  // namespace image_annotation