| // Copyright 2019 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ui/color/color_mixer.h" |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "ui/color/color_recipe.h" |
| #include "ui/color/color_test_ids.h" |
| #include "ui/gfx/color_palette.h" |
| |
| namespace ui { |
| namespace { |
| |
| // Tests that AddSet() changes the result of various other functions. |
| TEST(ColorMixerTest, AddSet) { |
| ColorMixer mixer; |
| EXPECT_EQ(gfx::kPlaceholderColor, mixer.GetInputColor(kColorTest0)); |
| EXPECT_EQ(gfx::kPlaceholderColor, |
| mixer.GetOriginalColorFromSet(kColorTest0, kColorSetTest0)); |
| EXPECT_EQ(gfx::kPlaceholderColor, mixer.GetResultColor(kColorTest0)); |
| |
| mixer.AddSet({kColorSetTest0, {{kColorTest0, SK_ColorGREEN}}}); |
| EXPECT_EQ(SK_ColorGREEN, mixer.GetInputColor(kColorTest0)); |
| EXPECT_EQ(SK_ColorGREEN, |
| mixer.GetOriginalColorFromSet(kColorTest0, kColorSetTest0)); |
| EXPECT_EQ(SK_ColorGREEN, mixer.GetResultColor(kColorTest0)); |
| } |
| |
| // Tests that the recipe returned by operator[] is respected by the mixer. |
| TEST(ColorMixerTest, AccessOperator) { |
| ColorMixer mixer; |
| mixer[kColorTest0] = ColorTransform(SK_ColorGREEN); |
| EXPECT_EQ(SK_ColorGREEN, mixer.GetResultColor(kColorTest0)); |
| } |
| |
| // Tests that GetInputColor() returns a placeholder color if the mixer has no |
| // recipes. |
| TEST(ColorMixerTest, GetInputColorNoInput) { |
| EXPECT_EQ(gfx::kPlaceholderColor, ColorMixer().GetInputColor(kColorTest0)); |
| } |
| |
| // Tests that GetInputColor() will find the color in a single input set and |
| // return a placeholder color for a color not in that set. |
| TEST(ColorMixerTest, GetInputColorOneSet) { |
| ColorMixer mixer; |
| mixer.AddSet({kColorSetTest0, {{kColorTest0, SK_ColorGREEN}}}); |
| EXPECT_EQ(SK_ColorGREEN, mixer.GetInputColor(kColorTest0)); |
| EXPECT_EQ(gfx::kPlaceholderColor, mixer.GetInputColor(kColorTest1)); |
| } |
| |
| // Tests that GetInputColor() will find the colors in multiple non-overlapping |
| // input sets. |
| TEST(ColorMixerTest, GetInputColorTwoSetsNonOverlapping) { |
| ColorMixer mixer; |
| mixer.AddSet({kColorSetTest0, {{kColorTest0, SK_ColorGREEN}}}); |
| mixer.AddSet({kColorSetTest1, {{kColorTest1, SK_ColorRED}}}); |
| EXPECT_EQ(SK_ColorGREEN, mixer.GetInputColor(kColorTest0)); |
| EXPECT_EQ(SK_ColorRED, mixer.GetInputColor(kColorTest1)); |
| } |
| |
| // Tests that when multiple input sets specify the same ID, the last set added |
| // wins. |
| TEST(ColorMixerTest, GetInputColorTwoSetsOverlapping) { |
| ColorMixer mixer; |
| // These sets are intentionally added out of numeric order to ensure the set |
| // ID ordering is ignored. |
| mixer.AddSet({kColorSetTest0, {{kColorTest0, SK_ColorRED}}}); |
| mixer.AddSet({kColorSetTest2, {{kColorTest0, SK_ColorBLUE}}}); |
| mixer.AddSet({kColorSetTest1, {{kColorTest0, SK_ColorGREEN}}}); |
| EXPECT_EQ(SK_ColorGREEN, mixer.GetInputColor(kColorTest0)); |
| } |
| |
| // Tests that when a mixer does not have a requested color for GetInputColor(), |
| // it forwards the request to the previous mixer. |
| TEST(ColorMixerTest, GetInputColorPreviousMixer) { |
| ColorMixer mixer0; |
| mixer0.AddSet({kColorSetTest0, {{kColorTest0, SK_ColorGREEN}}}); |
| ColorMixer mixer1(&mixer0); |
| mixer1.AddSet({kColorSetTest1, {{kColorTest1, SK_ColorRED}}}); |
| EXPECT_EQ(SK_ColorGREEN, mixer1.GetInputColor(kColorTest0)); |
| } |
| |
| // Tests that GetInputColor() on a given mixer ignores any recipe that mixer has |
| // for that color. |
| TEST(ColorMixerTest, GetInputColorIgnoresRecipe) { |
| ColorMixer mixer; |
| mixer.AddSet({kColorSetTest0, {{kColorTest0, SK_ColorGREEN}}}); |
| mixer[kColorTest0] = GetColorWithMaxContrast(FromTransformInput()); |
| EXPECT_EQ(SK_ColorGREEN, mixer.GetInputColor(kColorTest0)); |
| } |
| |
| // Tests that if GetInputColor() needs to reference the output of a previous |
| // mixer, it will reference the result color (i.e. after applying any recipe) |
| // rather than referencing that mixer's input color. |
| TEST(ColorMixerTest, GetInputColorRespectsRecipePreviousMixer) { |
| ColorMixer mixer0; |
| mixer0.AddSet({kColorSetTest0, {{kColorTest0, SK_ColorGREEN}}}); |
| mixer0[kColorTest0] = GetColorWithMaxContrast(FromTransformInput()); |
| ColorMixer mixer1(&mixer0); |
| mixer1.AddSet({kColorSetTest1, {{kColorTest1, SK_ColorRED}}}); |
| EXPECT_EQ(color_utils::GetColorWithMaxContrast(SK_ColorGREEN), |
| mixer1.GetInputColor(kColorTest0)); |
| } |
| |
| // Tests that GetOriginalColorFromSet() returns a placeholder color when there |
| // are no ColorSets. |
| TEST(ColorMixerTest, GetOriginalColorFromSetNoSets) { |
| EXPECT_EQ(gfx::kPlaceholderColor, |
| ColorMixer().GetOriginalColorFromSet(kColorTest0, kColorSetTest0)); |
| } |
| |
| // Tests that GetOriginalColorFromSet() will find the color in a single input |
| // set and return a placeholder color for a color not in that set. |
| TEST(ColorMixerTest, GetOriginalColorFromSetOneSet) { |
| ColorMixer mixer; |
| mixer.AddSet({kColorSetTest0, {{kColorTest0, SK_ColorGREEN}}}); |
| EXPECT_EQ(SK_ColorGREEN, |
| mixer.GetOriginalColorFromSet(kColorTest0, kColorSetTest0)); |
| EXPECT_EQ(gfx::kPlaceholderColor, |
| mixer.GetOriginalColorFromSet(kColorTest1, kColorSetTest0)); |
| EXPECT_EQ(gfx::kPlaceholderColor, |
| mixer.GetOriginalColorFromSet(kColorTest0, kColorSetTest1)); |
| } |
| |
| // Tests that GetOriginalColorFromSet() will find the colors in multiple |
| // non-overlapping input sets. |
| TEST(ColorMixerTest, GetOriginalColorFromSetTwoSetsNonOverlapping) { |
| ColorMixer mixer; |
| mixer.AddSet({kColorSetTest0, {{kColorTest0, SK_ColorGREEN}}}); |
| mixer.AddSet({kColorSetTest1, {{kColorTest1, SK_ColorRED}}}); |
| EXPECT_EQ(SK_ColorGREEN, |
| mixer.GetOriginalColorFromSet(kColorTest0, kColorSetTest0)); |
| EXPECT_EQ(gfx::kPlaceholderColor, |
| mixer.GetOriginalColorFromSet(kColorTest1, kColorSetTest0)); |
| EXPECT_EQ(gfx::kPlaceholderColor, |
| mixer.GetOriginalColorFromSet(kColorTest0, kColorSetTest1)); |
| EXPECT_EQ(SK_ColorRED, |
| mixer.GetOriginalColorFromSet(kColorTest1, kColorSetTest1)); |
| } |
| |
| // Tests that when two input sets specify the same ID, GetOriginalColorFromSet() |
| // can retrieve either color, depending on the requested set. |
| TEST(ColorMixerTest, GetOriginalColorFromSetTwoSetsOverlapping) { |
| ColorMixer mixer; |
| mixer.AddSet({kColorSetTest0, {{kColorTest0, SK_ColorGREEN}}}); |
| mixer.AddSet({kColorSetTest1, {{kColorTest0, SK_ColorRED}}}); |
| EXPECT_EQ(SK_ColorGREEN, |
| mixer.GetOriginalColorFromSet(kColorTest0, kColorSetTest0)); |
| EXPECT_EQ(SK_ColorRED, |
| mixer.GetOriginalColorFromSet(kColorTest0, kColorSetTest1)); |
| } |
| |
| // Tests that when a mixer does not have a requested color for |
| // GetOriginalColorFromSet(), it forwards the request to the previous mixer. |
| TEST(ColorMixerTest, GetOriginalColorFromSetPreviousMixer) { |
| ColorMixer mixer0; |
| mixer0.AddSet({kColorSetTest0, {{kColorTest0, SK_ColorGREEN}}}); |
| ColorMixer mixer1(&mixer0); |
| mixer1.AddSet({kColorSetTest1, {{kColorTest1, SK_ColorRED}}}); |
| EXPECT_EQ(SK_ColorGREEN, |
| mixer1.GetOriginalColorFromSet(kColorTest0, kColorSetTest0)); |
| } |
| |
| // Tests that GetOriginalColorFromSet() on a given mixer ignores any recipe that |
| // mixer has for that color. |
| TEST(ColorMixerTest, GetOriginalColorFromSetIgnoresRecipe) { |
| ColorMixer mixer; |
| mixer.AddSet({kColorSetTest0, {{kColorTest0, SK_ColorGREEN}}}); |
| mixer[kColorTest0] = GetColorWithMaxContrast(FromTransformInput()); |
| EXPECT_EQ(SK_ColorGREEN, |
| mixer.GetOriginalColorFromSet(kColorTest0, kColorSetTest0)); |
| } |
| |
| // Tests that if GetOriginalColorFromSet() needs to reference the input of a |
| // previous mixer, it will reference the input color (i.e. without applying any |
| // recipe) rather than referencing that mixer's result color. |
| TEST(ColorMixerTest, GetOriginalColorFromSetIgnoresRecipePreviousMixer) { |
| ColorMixer mixer0; |
| mixer0.AddSet({kColorSetTest0, {{kColorTest0, SK_ColorGREEN}}}); |
| mixer0[kColorTest0] = GetColorWithMaxContrast(FromTransformInput()); |
| ColorMixer mixer1(&mixer0); |
| mixer1.AddSet({kColorSetTest1, {{kColorTest1, SK_ColorRED}}}); |
| EXPECT_EQ(SK_ColorGREEN, |
| mixer1.GetOriginalColorFromSet(kColorTest0, kColorSetTest0)); |
| } |
| |
| // Tests that GetResultColor() returns a placeholder color when there are no |
| // ColorSets or recipes. |
| TEST(ColorMixerTest, GetResultColorNoInput) { |
| EXPECT_EQ(gfx::kPlaceholderColor, ColorMixer().GetResultColor(kColorTest0)); |
| } |
| |
| // Tests that GetResultColor() returns its input color when there are no |
| // recipes. |
| TEST(ColorMixerTest, GetResultColorNoRecipe) { |
| ColorMixer mixer; |
| mixer.AddSet({kColorSetTest0, {{kColorTest0, SK_ColorGREEN}}}); |
| EXPECT_EQ(SK_ColorGREEN, mixer.GetResultColor(kColorTest0)); |
| } |
| |
| // Tests that GetResultColor() does not require an input set to provide an |
| // initial value for its requested color. |
| TEST(ColorMixerTest, GetResultColorNoSet) { |
| ColorMixer mixer; |
| mixer[kColorTest0] = ColorTransform(SK_ColorGREEN); |
| mixer[kColorTest1] = GetColorWithMaxContrast(FromTransformInput()); |
| EXPECT_EQ(SK_ColorGREEN, mixer.GetResultColor(kColorTest0)); |
| EXPECT_NE(gfx::kPlaceholderColor, mixer.GetResultColor(kColorTest1)); |
| } |
| |
| // Tests that having an initial value for a requested color will not affect the |
| // output of GetResultColor() if its recipe overrides it. |
| TEST(ColorMixerTest, GetResultColorIgnoresSet) { |
| ColorMixer mixer; |
| mixer.AddSet({kColorSetTest0, |
| {{kColorTest0, SK_ColorWHITE}, {kColorTest1, SK_ColorBLACK}}}); |
| mixer[kColorTest0] = ColorTransform(SK_ColorGREEN); |
| mixer[kColorTest1] = ColorTransform(SK_ColorGREEN); |
| EXPECT_EQ(SK_ColorGREEN, mixer.GetResultColor(kColorTest0)); |
| EXPECT_EQ(SK_ColorGREEN, mixer.GetResultColor(kColorTest1)); |
| } |
| |
| // Tests that GetResultColor() can reference other result colors, each of which |
| // will have its recipe applied. |
| TEST(ColorMixerTest, GetResultColorChained) { |
| ColorMixer mixer; |
| mixer.AddSet({kColorSetTest0, {{kColorTest1, SK_ColorWHITE}}}); |
| mixer[kColorTest0] = ColorTransform(gfx::kGoogleBlue050); |
| mixer[kColorTest1] = BlendTowardMaxContrast( |
| GetColorWithMaxContrast(FromTransformInput()), 0x29); |
| mixer[kColorTest2] = |
| BlendForMinContrast(gfx::kGoogleBlue500, kColorTest1, kColorTest0); |
| EXPECT_EQ(SkColorSetRGB(0x89, 0xB3, 0xF8), mixer.GetResultColor(kColorTest2)); |
| } |
| |
| } // namespace |
| } // namespace ui |