| // Copyright 2022 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/common/themes/autogenerated_theme_util.h" |
| |
| #include <string> |
| |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "ui/gfx/color_utils.h" |
| |
| namespace { |
| |
| TEST(AutogeneratedThemeUtil, GetContrastingColor) { |
| constexpr float kChange = 0.2f; |
| |
| // White color for black background. |
| EXPECT_EQ(SK_ColorWHITE, GetContrastingColor(SK_ColorBLACK, kChange)); |
| |
| // Lighter color for too dark colors. |
| constexpr SkColor kDarkBackground = SkColorSetARGB(255, 50, 0, 50); |
| EXPECT_LT(color_utils::GetRelativeLuminance(kDarkBackground), |
| color_utils::GetRelativeLuminance( |
| GetContrastingColor(kDarkBackground, kChange))); |
| |
| // Darker color for light backgrounds. |
| EXPECT_GT(color_utils::GetRelativeLuminance(SK_ColorWHITE), |
| color_utils::GetRelativeLuminance( |
| GetContrastingColor(SK_ColorWHITE, kChange))); |
| |
| constexpr SkColor kLightBackground = SkColorSetARGB(255, 100, 0, 100); |
| EXPECT_GT(color_utils::GetRelativeLuminance(kLightBackground), |
| color_utils::GetRelativeLuminance( |
| GetContrastingColor(kLightBackground, kChange))); |
| } |
| |
| } // namespace |
