Tools/TestWebKitAPI/Tests/WebCore/Color.cpp

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#include "config.h"

#include "Test.h"
#include <WebCore/Color.h>

using namespace WebCore;

namespace TestWebKitAPI {

TEST(Color, RGBToHSV_White)
{
    Color color = Color::white;
    
    double h = 0;
    double s = 0;
    double v = 0;
    color.getHSV(h, s, v);

    EXPECT_DOUBLE_EQ(0, h);
    EXPECT_DOUBLE_EQ(0, s);
    EXPECT_DOUBLE_EQ(1, v);
}

TEST(Color, RGBToHSV_Black)
{
    Color color = Color::black;
    
    double h = 0;
    double s = 0;
    double v = 0;
    color.getHSV(h, s, v);

    EXPECT_DOUBLE_EQ(0, h);
    EXPECT_DOUBLE_EQ(0, s);
    EXPECT_DOUBLE_EQ(0, v);
}

TEST(Color, RGBToHSV_Red)
{
    Color color(255, 0, 0);
    
    double h = 0;
    double s = 0;
    double v = 0;
    color.getHSV(h, s, v);

    EXPECT_DOUBLE_EQ(0, h);
    EXPECT_DOUBLE_EQ(1, s);
    EXPECT_DOUBLE_EQ(1, v);
}

TEST(Color, RGBToHSV_Green)
{
    Color color(0, 255, 0);
    
    double h = 0;
    double s = 0;
    double v = 0;
    color.getHSV(h, s, v);

    EXPECT_DOUBLE_EQ(0.33333333333333331, h);
    EXPECT_DOUBLE_EQ(1, s);
    EXPECT_DOUBLE_EQ(1, v);
}

TEST(Color, RGBToHSV_Blue)
{
    Color color(0, 0, 255);
    
    double h = 0;
    double s = 0;
    double v = 0;
    color.getHSV(h, s, v);

    EXPECT_DOUBLE_EQ(0.66666666666666663, h);
    EXPECT_DOUBLE_EQ(1, s);
    EXPECT_DOUBLE_EQ(1, v);
}

TEST(Color, RGBToHSV_DarkGray)
{
    Color color = Color::darkGray;
    
    double h = 0;
    double s = 0;
    double v = 0;
    color.getHSV(h, s, v);

    EXPECT_DOUBLE_EQ(0, h);
    EXPECT_DOUBLE_EQ(0, s);
    EXPECT_DOUBLE_EQ(0.50196078431372548, v);
}

TEST(Color, RGBToHSV_Gray)
{
    Color color = Color::gray;
    
    double h = 0;
    double s = 0;
    double v = 0;
    color.getHSV(h, s, v);

    EXPECT_DOUBLE_EQ(0, h);
    EXPECT_DOUBLE_EQ(0, s);
    EXPECT_DOUBLE_EQ(0.62745098039215685, v);
}

TEST(Color, RGBToHSV_LightGray)
{
    Color color = Color::lightGray;
    
    double h = 0;
    double s = 0;
    double v = 0;
    color.getHSV(h, s, v);

    EXPECT_DOUBLE_EQ(0, h);
    EXPECT_DOUBLE_EQ(0, s);
    EXPECT_DOUBLE_EQ(0.75294117647058822, v);
}

TEST(Color, RGBToHSL_White)
{
    Color color = Color::white;

    double hue, saturation, lightness;
    color.getHSL(hue, saturation, lightness);

    EXPECT_DOUBLE_EQ(0, hue);
    EXPECT_DOUBLE_EQ(0, saturation);
    EXPECT_DOUBLE_EQ(1, lightness);
}

TEST(Color, RGBToHSL_Black)
{
    Color color = Color::black;

    double hue, saturation, lightness;
    color.getHSL(hue, saturation, lightness);

    EXPECT_DOUBLE_EQ(0, hue);
    EXPECT_DOUBLE_EQ(0, saturation);
    EXPECT_DOUBLE_EQ(0, lightness);
}

TEST(Color, RGBToHSL_Red)
{
    Color color(255, 0, 0);

    double hue, saturation, lightness;
    color.getHSL(hue, saturation, lightness);

    EXPECT_DOUBLE_EQ(0, hue);
    EXPECT_DOUBLE_EQ(1, saturation);
    EXPECT_DOUBLE_EQ(0.5, lightness);
}

TEST(Color, RGBToHSL_Green)
{
    Color color(0, 255, 0);

    double hue, saturation, lightness;
    color.getHSL(hue, saturation, lightness);

    EXPECT_DOUBLE_EQ(2, hue);
    EXPECT_DOUBLE_EQ(1, saturation);
    EXPECT_DOUBLE_EQ(0.5, lightness);
}

TEST(Color, RGBToHSL_Blue)
{
    Color color(0, 0, 255);

    double hue, saturation, lightness;
    color.getHSL(hue, saturation, lightness);

    EXPECT_DOUBLE_EQ(4, hue);
    EXPECT_DOUBLE_EQ(1, saturation);
    EXPECT_DOUBLE_EQ(0.5, lightness);
}

TEST(Color, RGBToHSL_DarkGray)
{
    Color color = Color::darkGray;

    double hue, saturation, lightness;
    color.getHSL(hue, saturation, lightness);

    EXPECT_DOUBLE_EQ(0, hue);
    EXPECT_DOUBLE_EQ(0, saturation);
    EXPECT_DOUBLE_EQ(0.50196078431372548, lightness);
}

TEST(Color, RGBToHSL_Gray)
{
    Color color = Color::gray;

    double hue, saturation, lightness;
    color.getHSL(hue, saturation, lightness);

    EXPECT_DOUBLE_EQ(0, hue);
    EXPECT_DOUBLE_EQ(0, saturation);
    EXPECT_DOUBLE_EQ(0.62745098039215685, lightness);
}

TEST(Color, RGBToHSL_LightGray)
{
    Color color = Color::lightGray;

    double hue, saturation, lightness;
    color.getHSL(hue, saturation, lightness);

    EXPECT_DOUBLE_EQ(0, hue);
    EXPECT_DOUBLE_EQ(0, saturation);
    EXPECT_DOUBLE_EQ(0.75294117647058822, lightness);
}

TEST(Color, Validity)
{
    Color invalidColor;
    EXPECT_FALSE(invalidColor.isValid());
    EXPECT_FALSE(invalidColor.isExtended());

    Color otherInvalidColor = invalidColor;
    EXPECT_FALSE(otherInvalidColor.isValid());
    EXPECT_FALSE(otherInvalidColor.isExtended());

    Color validColor(255, 0, 0);
    EXPECT_TRUE(validColor.isValid());
    EXPECT_FALSE(validColor.isExtended());

    Color otherValidColor = validColor;
    EXPECT_TRUE(otherValidColor.isValid());
    EXPECT_FALSE(otherValidColor.isExtended());

    validColor = Color(1, 2, 3, 4);
    EXPECT_TRUE(validColor.isValid());
    EXPECT_FALSE(validColor.isExtended());
    EXPECT_EQ(validColor.red(), 1);
    EXPECT_EQ(validColor.green(), 2);
    EXPECT_EQ(validColor.blue(), 3);
    EXPECT_EQ(validColor.alpha(), 4);

    Color yetAnotherValidColor(WTFMove(validColor));
    EXPECT_TRUE(yetAnotherValidColor.isValid());
    EXPECT_FALSE(yetAnotherValidColor.isExtended());
    EXPECT_EQ(yetAnotherValidColor.red(), 1);
    EXPECT_EQ(yetAnotherValidColor.green(), 2);
    EXPECT_EQ(yetAnotherValidColor.blue(), 3);
    EXPECT_EQ(yetAnotherValidColor.alpha(), 4);

    otherValidColor = WTFMove(yetAnotherValidColor);
    EXPECT_TRUE(otherValidColor.isValid());
    EXPECT_FALSE(otherValidColor.isExtended());
    EXPECT_EQ(otherValidColor.red(), 1);
    EXPECT_EQ(otherValidColor.green(), 2);
    EXPECT_EQ(otherValidColor.blue(), 3);
    EXPECT_EQ(otherValidColor.alpha(), 4);
}

} // namespace TestWebKitAPI