color_utils_android_unittest.cc 2.0 KB

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  1. // Copyright 2021 The Chromium Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style license that can be
  3. // found in the LICENSE file.
  4. #include "ui/android/color_utils_android.h"
  5. #include <stdint.h>
  6. #include <limits>
  7. #include "testing/gtest/include/gtest/gtest.h"
  8. #include "third_party/abseil-cpp/absl/types/optional.h"
  9. #include "third_party/skia/include/core/SkColor.h"
  10. namespace ui {
  11. namespace {
  12. // Intentionally avoids reusing the constant defined in color_helpers.h to catch
  13. // mistakes that accidentally change the value.
  14. constexpr int64_t kAndroidInvalidColor =
  15. static_cast<int64_t>(std::numeric_limits<int32_t>::max()) + 1;
  16. // https://developer.android.com/reference/android/graphics/Color.html defines
  17. // the various color constants.
  18. constexpr int kAndroidBlack = -16777216;
  19. constexpr int kAndroidWhite = -1;
  20. constexpr int kAndroidRed = -65536;
  21. constexpr int kAndroidDkgray = -12303292;
  22. constexpr int kAndroidTransparent = 0;
  23. } // namespace
  24. TEST(ColorHelpersTest, Null) {
  25. EXPECT_EQ(kAndroidInvalidColor, OptionalSkColorToJavaColor(absl::nullopt));
  26. EXPECT_FALSE(JavaColorToOptionalSkColor(kAndroidInvalidColor).has_value());
  27. }
  28. TEST(ColorHelpersTest, Roundtrip) {
  29. EXPECT_EQ(kAndroidBlack, OptionalSkColorToJavaColor(SK_ColorBLACK));
  30. EXPECT_EQ(SK_ColorBLACK, JavaColorToOptionalSkColor(kAndroidBlack));
  31. EXPECT_EQ(kAndroidWhite, OptionalSkColorToJavaColor(SK_ColorWHITE));
  32. EXPECT_EQ(SK_ColorWHITE, JavaColorToOptionalSkColor(kAndroidWhite));
  33. EXPECT_EQ(kAndroidRed, OptionalSkColorToJavaColor(SK_ColorRED));
  34. EXPECT_EQ(SK_ColorRED, JavaColorToOptionalSkColor(kAndroidRed));
  35. EXPECT_EQ(kAndroidDkgray, OptionalSkColorToJavaColor(SK_ColorDKGRAY));
  36. EXPECT_EQ(SK_ColorDKGRAY, JavaColorToOptionalSkColor(kAndroidDkgray));
  37. EXPECT_EQ(kAndroidTransparent,
  38. OptionalSkColorToJavaColor(SK_ColorTRANSPARENT));
  39. EXPECT_EQ(SK_ColorTRANSPARENT,
  40. JavaColorToOptionalSkColor(kAndroidTransparent));
  41. }
  42. } // namespace ui