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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/glic/host/context/glic_tab_data.h"
#include <string_view>
#include <utility>
#include "base/files/file_util.h"
#include "base/path_service.h"
#include "chrome/common/chrome_paths.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/codec/png_codec.h"
namespace {
base::FilePath GlicTestDataPath(std::string_view filename) {
return base::PathService::CheckedGet(chrome::DIR_TEST_DATA)
.AppendASCII("glic")
.AppendASCII(filename);
}
} // namespace
namespace glic {
TEST(GlicTabDataTest, CompareIdenticalFaviconImages) {
std::optional<std::vector<uint8_t>> png_data =
base::ReadFileToBytes(GlicTestDataPath("youtube_favicon_32x32.png"));
ASSERT_TRUE(png_data.has_value());
SkBitmap bitmap_from_png = gfx::PNGCodec::Decode(png_data.value());
std::optional<std::vector<uint8_t>> other_png_data =
base::ReadFileToBytes(GlicTestDataPath("youtube_favicon_32x32.png"));
ASSERT_TRUE(other_png_data.has_value());
SkBitmap bitmap_from_other_png =
gfx::PNGCodec::Decode(other_png_data.value());
EXPECT_TRUE(FaviconEquals(bitmap_from_png, bitmap_from_other_png));
}
TEST(GlicTabDataTest, CompareFaviconImagesWithDifferentColorSpaces) {
std::optional<std::vector<uint8_t>> png_data =
base::ReadFileToBytes(GlicTestDataPath("youtube_favicon_32x32.png"));
ASSERT_TRUE(png_data.has_value());
SkBitmap bitmap_from_png = gfx::PNGCodec::Decode(png_data.value());
std::optional<std::vector<uint8_t>> other_png_data = base::ReadFileToBytes(
GlicTestDataPath("youtube_favicon_32x32_16bit_fp.png"));
ASSERT_TRUE(other_png_data.has_value());
SkBitmap bitmap_from_other_png =
gfx::PNGCodec::Decode(other_png_data.value());
EXPECT_FALSE(FaviconEquals(bitmap_from_png, bitmap_from_other_png));
}
TEST(GlicTabDataTest, CompareFaviconImagesWithDifferentSizes) {
std::optional<std::vector<uint8_t>> png_data =
base::ReadFileToBytes(GlicTestDataPath("youtube_favicon_32x32.png"));
ASSERT_TRUE(png_data.has_value());
SkBitmap bitmap_from_png = gfx::PNGCodec::Decode(png_data.value());
std::optional<std::vector<uint8_t>> smaller_png_data =
base::ReadFileToBytes(GlicTestDataPath("youtube_favicon_16x16.png"));
ASSERT_TRUE(smaller_png_data.has_value());
SkBitmap bitmap_from_smaller_png =
gfx::PNGCodec::Decode(smaller_png_data.value());
EXPECT_FALSE(FaviconEquals(bitmap_from_png, bitmap_from_smaller_png));
}
TEST(GlicTabDataTest, CompareFaviconImagesWithDifferentPixels) {
std::optional<std::vector<uint8_t>> png_data =
base::ReadFileToBytes(GlicTestDataPath("youtube_favicon_32x32.png"));
ASSERT_TRUE(png_data.has_value());
SkBitmap bitmap_from_png = gfx::PNGCodec::Decode(png_data.value());
std::optional<std::vector<uint8_t>> different_png_data =
base::ReadFileToBytes(
GlicTestDataPath("youtube_favicon_32x32_different_pixels.png"));
ASSERT_TRUE(different_png_data.has_value());
SkBitmap bitmap_from_different_png =
gfx::PNGCodec::Decode(different_png_data.value());
EXPECT_FALSE(FaviconEquals(bitmap_from_png, bitmap_from_different_png));
}
} // namespace glic
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