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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/public/common/color_parser.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkColor.h"
namespace content {
void RunPassCssTest(const std::string& css_string, SkColor expected_result) {
SkColor color = 0;
EXPECT_TRUE(ParseCssColorString(css_string, &color));
EXPECT_EQ(color, expected_result);
}
void RunFailCssTest(const std::string& css_string) {
SkColor color = 0;
EXPECT_FALSE(ParseCssColorString(css_string, &color));
}
void RunPassHexTest(const std::string& css_string, SkColor expected_result) {
SkColor color = 0;
EXPECT_TRUE(ParseHexColorString(css_string, &color));
EXPECT_EQ(color, expected_result);
}
void RunFailHexTest(const std::string& css_string) {
SkColor color = 0;
EXPECT_FALSE(ParseHexColorString(css_string, &color));
}
void RunPassRgbTest(const std::string& rgb_string, SkColor expected) {
SkColor color = 0;
EXPECT_TRUE(ParseRgbColorString(rgb_string, &color));
EXPECT_EQ(color, expected);
}
void RunFailRgbTest(const std::string& rgb_string) {
SkColor color = 0;
EXPECT_FALSE(ParseRgbColorString(rgb_string, &color));
}
TEST(ColorParser, HexNormalCSS) {
RunPassHexTest("#34006A", SkColorSetARGB(0xFF, 0x34, 0, 0x6A));
}
TEST(ColorParser, HexShorCSS) {
RunPassHexTest("#A1E", SkColorSetARGB(0xFF, 0xAA, 0x11, 0xEE));
}
TEST(ColorParser, HexWithAlphaCSS) {
RunPassHexTest("#340061CC", SkColorSetARGB(0xCC, 0x34, 0, 0x61));
}
TEST(ColorParser, HexWithAlphaShortCSS) {
RunPassHexTest("#A1E9", SkColorSetARGB(0x99, 0xAA, 0x11, 0xEE));
}
TEST(ColorParser, FailCSSNoHash) {
RunFailHexTest("11FF22");
}
TEST(ColorParser, FailCSSTooShort) {
RunFailHexTest("#FF22C");
}
TEST(ColorParser, FailCSSTooLong) {
RunFailHexTest("#FF22128");
}
TEST(ColorParser, FailCSSInvalid) {
RunFailHexTest("#-22128");
}
TEST(ColorParser, FailHexWithPlus) {
RunFailHexTest("#+22128");
}
TEST(ColorParser, AcceptHsl) {
// Run basic color tests.
RunPassCssTest("hsl(0, 100%, 50%)", SK_ColorRED);
RunPassCssTest("hsl(120, 100%, 50%)", SK_ColorGREEN);
RunPassCssTest("hsl(240, 100%, 50%)", SK_ColorBLUE);
RunPassCssTest("hsl(180, 100%, 50%)", SK_ColorCYAN);
// Passing in >100% saturation should be equivalent to 100%.
RunPassCssTest("hsl(120, 200%, 50%)", SK_ColorGREEN);
// Passing in the same degree +/- full rotations should be equivalent.
RunPassCssTest("hsl(480, 100%, 50%)", SK_ColorGREEN);
RunPassCssTest("hsl(-240, 100%, 50%)", SK_ColorGREEN);
// We should be able to parse doubles
RunPassCssTest("hsl(120.0, 100.0%, 50.0%)", SK_ColorGREEN);
}
TEST(ColorParser, InvalidHsl) {
RunFailCssTest("(0,100%,50%)");
RunFailCssTest("[0, 100, 50]");
RunFailCssTest("hs l(0,100%,50%)");
RunFailCssTest("rgb(0,100%,50%)");
RunFailCssTest("hsl(0,100%)");
RunFailCssTest("hsl(100%,50%)");
RunFailCssTest("hsl(120, 100, 50)");
RunFailCssTest("hsl[120, 100%, 50%]");
RunFailCssTest("hsl(120, 100%, 50%, 1.0)");
RunFailCssTest("hsla(120, 100%, 50%)");
}
TEST(ColorParser, AcceptHsla) {
// Run basic color tests.
RunPassCssTest("hsla(0, 100%, 50%, 1.0)", SK_ColorRED);
RunPassCssTest("hsla(0, 100%, 50%, 0.0)",
SkColorSetARGB(0x00, 0xFF, 0x00, 0x00));
RunPassCssTest("hsla(0, 100%, 50%, 0.5)",
SkColorSetARGB(0x7F, 0xFF, 0x00, 0x00));
RunPassCssTest("hsla(0, 100%, 50%, 0.25)",
SkColorSetARGB(0x3F, 0xFF, 0x00, 0x00));
RunPassCssTest("hsla(0, 100%, 50%, 0.75)",
SkColorSetARGB(0xBF, 0xFF, 0x00, 0x00));
// We should able to parse integer alpha value.
RunPassCssTest("hsla(0, 100%, 50%, 1)", SK_ColorRED);
}
TEST(ColorParser, AcceptRgb) {
// Run basic color tests.
RunPassRgbTest("rgb(255,0,0)", SK_ColorRED);
RunPassRgbTest("rgb(0, 255, 0)", SK_ColorGREEN);
RunPassRgbTest("rgb(0, 0, 255)", SK_ColorBLUE);
}
TEST(ColorParser, InvalidRgb) {
RunFailRgbTest("(0,100,50)");
RunFailRgbTest("[0, 100, 50]");
RunFailRgbTest("rg b(0,100,50)");
RunFailRgbTest("rgb(0,-100, 10)");
RunFailRgbTest("rgb(100,50)");
RunFailRgbTest("rgb(120.0, 100.6, 50.3)");
RunFailRgbTest("rgb[120, 100, 50]");
RunFailRgbTest("rgb(120, 100, 50, 1.0)");
RunFailRgbTest("rgba(120, 100, 50)");
RunFailRgbTest("rgb(0, 300, 0)");
// This is valid RGB but we don't support percentages yet.
RunFailRgbTest("rgb(100%, 0%, 100%)");
}
TEST(ColorParser, AcceptRgba) {
// Run basic color tests.
RunPassRgbTest("rgba(255, 0, 0, 1.0)", SK_ColorRED);
RunPassRgbTest("rgba(255, 0, 0, 0.0)",
SkColorSetARGB(0x00, 0xFF, 0x00, 0x00));
RunPassRgbTest("rgba(255, 0, 0, 0.5)",
SkColorSetARGB(0x7F, 0xFF, 0x00, 0x00));
RunPassRgbTest("rgba(255, 0, 0, 0.25)",
SkColorSetARGB(0x3F, 0xFF, 0x00, 0x00));
RunPassRgbTest("rgba(255, 0, 0, 0.75)",
SkColorSetARGB(0xBF, 0xFF, 0x00, 0x00));
// We should able to parse an integer alpha value.
RunPassRgbTest("rgba(255, 0, 0, 1)", SK_ColorRED);
}
TEST(ColorParser, CssBasicKeyword) {
RunPassCssTest("red", SK_ColorRED);
RunPassCssTest("blue", SK_ColorBLUE);
RunFailCssTest("my_red");
}
} // namespace content
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