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using System;
using System.Collections;
using System.Collections.Generic;
using NUnit.Framework;
using Xamarin.PropertyEditing.Drawing;
namespace Xamarin.PropertyEditing.Tests
{
public class CommonColorTests
{
public static readonly Dictionary<string, ColorTestCase> PrimaryTestCases = new Dictionary<string, ColorTestCase> {
// { name, r g b c% m% y% k% h° l% s% b% }
{ "Black", new ColorTestCase( 0, 0, 0, 0, 0, 0, 100, 0, 0, 0, 0) },
{ "White", new ColorTestCase(255, 255, 255, 0, 0, 0, 0, 0, 100, 0, 100) },
{ "Gray", new ColorTestCase(128, 128, 128, 0, 0, 0, 50, 0, 50, 0, 50) },
{ "Silver", new ColorTestCase(191, 191, 191, 0, 0, 0, 25, 0, 74.9, 0, 74.9) },
{ "Red", new ColorTestCase(255, 0, 0, 0, 100, 100, 0, 0, 50, 100, 100) },
{ "Lime", new ColorTestCase( 0, 255, 0, 100, 0, 100, 0, 120, 50, 100, 100) },
{ "Blue", new ColorTestCase( 0, 0, 255, 100, 100, 0, 0, 240, 50, 100, 100) },
{ "Yellow", new ColorTestCase(255, 255, 0, 0, 0, 100, 0, 60, 50, 100, 100) },
{ "Cyan", new ColorTestCase( 0, 255, 255, 100, 0, 0, 0, 180, 50, 100, 100) },
{ "Magenta", new ColorTestCase(255, 0, 255, 0, 100, 0, 0, 300, 50, 100, 100) },
{ "Maroon", new ColorTestCase(128, 0, 0, 0, 100, 100, 50, 0, 25.1, 100, 50) },
{ "Green", new ColorTestCase( 0, 128, 0, 100, 0, 100, 50, 120, 25.1, 100, 50) },
{ "Navy", new ColorTestCase( 0, 0, 128, 100, 100, 0, 50, 240, 25.1, 100, 50) },
{ "Olive", new ColorTestCase(128, 128, 0, 0, 0, 100, 50, 60, 25.1, 100, 50) },
{ "Purple", new ColorTestCase(128, 0, 128, 0, 100, 0, 50, 300, 25.1, 100, 50) },
{ "Teal", new ColorTestCase( 0, 128, 128, 100, 0, 0, 50, 180, 25.1, 100, 50) },
};
public static readonly Dictionary<string, ColorTestCase> RGBTestCases = new Dictionary<string, ColorTestCase> {
// { name, r g b c% m% y% k% h° l% s% b% }
{ "Orange", new ColorTestCase(255, 164, 0, 0, 35.7, 100, 0, 38.6, 50, 100, 100) },
{ "MediumSpringGreen", new ColorTestCase( 0, 250, 155, 100, 0, 38, 2, 157.2, 49, 100, 98) },
{ "Chocolate", new ColorTestCase(209, 117, 52, 0, 44, 75.1, 18, 24.8, 51, 75.1, 82) },
{ "MoreOrange", new ColorTestCase(200, 101, 31, 0, 49.5, 84.5, 21.6, 24.9, 45.3, 84.5, 78.4) },
{ "Lilac", new ColorTestCase(101, 31, 255, 60.4, 87.8, 0, 0, 258.8, 56.1, 87.8, 100) },
};
[Test, TestCaseSource (typeof(CommonColorTests), "HueColorFromColorCases")]
public CommonColor HueColorFromColorTests (CommonColor color) => color.HueColor;
private static IEnumerable HueColorFromColorCases() {
foreach (KeyValuePair<string, ColorTestCase> testCaseKVP in PrimaryTestCases) {
yield return new TestCaseData (testCaseKVP.Value.Color)
.Returns (CommonColor.GetHueColorFromHue(testCaseKVP.Value.Color.Hue))
.SetName ("HueColorFromColor_" + testCaseKVP.Key);
}
foreach (KeyValuePair<string, ColorTestCase> testCaseKVP in RGBTestCases) {
yield return new TestCaseData (testCaseKVP.Value.Color)
.Returns (CommonColor.GetHueColorFromHue (testCaseKVP.Value.Color.Hue))
.SetName ("HueColorFromColor_" + testCaseKVP.Key);
}
}
[Test, TestCaseSource (typeof (CommonColorTests), "CMYKFromColorCases")]
public CMYK CMYKFromColorTest (CommonColor color) => new CMYK(color.C, color.M, color.Y, color.K);
private static IEnumerable CMYKFromColorCases () {
foreach (KeyValuePair<string, ColorTestCase> testCaseKVP in PrimaryTestCases) {
yield return new TestCaseData (testCaseKVP.Value.Color).Returns (testCaseKVP.Value.CMYK).SetName ("CMYKFromColor_" + testCaseKVP.Key);
}
foreach (KeyValuePair<string, ColorTestCase> testCaseKVP in RGBTestCases) {
yield return new TestCaseData (testCaseKVP.Value.Color).Returns (testCaseKVP.Value.CMYK).SetName ("CMYKFromColor_" + testCaseKVP.Key);
}
}
[Test, TestCaseSource (typeof (CommonColorTests), "ColorFromCMYKCases")]
public CommonColor ColorFromCMYKTest (CMYK cmyk) => CommonColor.FromCMYK (cmyk.C, cmyk.M, cmyk.Y, cmyk.K);
private static IEnumerable ColorFromCMYKCases ()
{
foreach (KeyValuePair<string, ColorTestCase> testCaseKVP in PrimaryTestCases) {
yield return new TestCaseData (testCaseKVP.Value.CMYK).Returns (testCaseKVP.Value.Color).SetName ("ColorFromCMYK_" + testCaseKVP.Key);
}
foreach (KeyValuePair<string, ColorTestCase> testCaseKVP in RGBTestCases) {
yield return new TestCaseData (testCaseKVP.Value.CMYK).Returns (testCaseKVP.Value.Color).SetName ("ColorFromCMYK_" + testCaseKVP.Key);
}
}
[Test, TestCaseSource (typeof (CommonColorTests), "HLSFromColorCases")]
public HLS HLSFromColorTest (CommonColor color) => new HLS (color.Hue, color.Lightness, color.Saturation);
private static IEnumerable HLSFromColorCases()
{
foreach(KeyValuePair<string, ColorTestCase> testCaseKVP in PrimaryTestCases) {
yield return new TestCaseData (testCaseKVP.Value.Color).Returns (testCaseKVP.Value.HLS).SetName ("HLSFromColor_" + testCaseKVP.Key);
}
foreach (KeyValuePair<string, ColorTestCase> testCaseKVP in RGBTestCases) {
yield return new TestCaseData (testCaseKVP.Value.Color).Returns (testCaseKVP.Value.HLS).SetName ("HLSFromColor_" + testCaseKVP.Key);
}
}
[Test, TestCaseSource (typeof (CommonColorTests), "ColorFromHLSCases")]
public CommonColor ColorFromHLSTest (HLS hls) => CommonColor.FromHLS (hls.Hue, hls.Lightness, hls.Saturation);
private static IEnumerable ColorFromHLSCases ()
{
foreach (KeyValuePair<string, ColorTestCase> testCaseKVP in PrimaryTestCases) {
yield return new TestCaseData (testCaseKVP.Value.HLS).Returns (testCaseKVP.Value.Color).SetName ("ColorFromHLS_" + testCaseKVP.Key);
}
// HLS -> RGB conversion is the least reliable, and round-tripping it doesn't quite guarantee accurate enough results that they can be tested for arbitrary colors.
//foreach (KeyValuePair<string, ColorTestCase> testCaseKVP in RGBTestCases) {
// yield return new TestCaseData (testCaseKVP.Value.HLS).Returns (testCaseKVP.Value.Color).SetName ("ColorFromHLS_" + testCaseKVP.Key);
//}
}
[Test, TestCaseSource (typeof (CommonColorTests), "HLSRoundTripCases")]
public HLS HLSRoundTripTest (HLS hls)
{
var color = CommonColor.FromHLS (hls.Hue, hls.Lightness, hls.Saturation);
return new HLS (color.Hue, color.Lightness, color.Saturation);
}
private static IEnumerable HLSRoundTripCases ()
{
foreach (KeyValuePair<string, ColorTestCase> testCaseKVP in PrimaryTestCases) {
yield return new TestCaseData (testCaseKVP.Value.HLS).Returns (testCaseKVP.Value.HLS).SetName ("HLSRoundTrip_" + testCaseKVP.Key);
}
foreach (KeyValuePair<string, ColorTestCase> testCaseKVP in RGBTestCases) {
yield return new TestCaseData (testCaseKVP.Value.HLS).Returns (testCaseKVP.Value.HLS).SetName ("HLSRoundTrip_" + testCaseKVP.Key);
}
}
[Test, TestCaseSource (typeof (CommonColorTests), "HSBFromColorCases")]
public HSB HSBFromColorTest (CommonColor color) => new HSB (color.Hue, color.Saturation, color.Brightness);
private static IEnumerable HSBFromColorCases ()
{
foreach (KeyValuePair<string, ColorTestCase> testCaseKVP in PrimaryTestCases) {
yield return new TestCaseData (testCaseKVP.Value.Color).Returns (testCaseKVP.Value.HSB).SetName ("HSBFromColor_" + testCaseKVP.Key);
}
foreach (KeyValuePair<string, ColorTestCase> testCaseKVP in RGBTestCases) {
yield return new TestCaseData (testCaseKVP.Value.Color).Returns (testCaseKVP.Value.HSB).SetName ("HSBFromColor_" + testCaseKVP.Key);
}
}
[Test, TestCaseSource (typeof (CommonColorTests), "ColorFromHSBCases")]
public CommonColor ColorFromHSBTest (HSB hsb) => CommonColor.FromHSB (hsb.Hue, hsb.Saturation, hsb.Brightness);
private static IEnumerable ColorFromHSBCases ()
{
foreach (KeyValuePair<string, ColorTestCase> testCaseKVP in PrimaryTestCases) {
yield return new TestCaseData (testCaseKVP.Value.HSB).Returns (testCaseKVP.Value.Color).SetName ("ColorFromHSB_" + testCaseKVP.Key);
}
foreach (KeyValuePair<string, ColorTestCase> testCaseKVP in RGBTestCases) {
yield return new TestCaseData (testCaseKVP.Value.HSB).Returns (testCaseKVP.Value.Color).SetName ("ColorFromHSB_" + testCaseKVP.Key);
}
}
[Test, TestCaseSource (typeof (CommonColorTests), "HSBRoundTripCases")]
public HSB HSBRoundTripTest (HSB hsb)
{
var color = CommonColor.FromHSB (hsb.Hue, hsb.Saturation, hsb.Brightness);
return new HSB (color.Hue, color.Saturation, color.Brightness);
}
private static IEnumerable HSBRoundTripCases ()
{
foreach (KeyValuePair<string, ColorTestCase> testCaseKVP in PrimaryTestCases) {
yield return new TestCaseData (testCaseKVP.Value.HSB).Returns (testCaseKVP.Value.HSB).SetName ("HSBRoundTrip_" + testCaseKVP.Key);
}
foreach (KeyValuePair<string, ColorTestCase> testCaseKVP in RGBTestCases) {
yield return new TestCaseData (testCaseKVP.Value.HSB).Returns (testCaseKVP.Value.HSB).SetName ("HSBRoundTrip_" + testCaseKVP.Key);
}
}
[Test]
public void ColorEquality()
{
var c1 = new CommonColor (1, 2, 3, 4, "one");
var c2 = new CommonColor (1, 2, 3, 4, "two");
var c3 = new CommonColor (1, 2, 3, 5, "three");
var c4 = new CommonColor (5, 6, 7, 4, "four");
Assert.That (c1 == c2, Is.True);
Assert.That (c1 != c2, Is.False);
Assert.That (c1.Equals (c2), Is.True);
Assert.That (c1.Equals (c3), Is.False);
Assert.That (c1.Equals (c3, true), Is.True);
Assert.That (c1.Equals (c4), Is.False);
}
[Test]
public void ColorToRgba()
{
Assert.AreEqual ("#12345678", new CommonColor (0x12, 0x34, 0x56, 0x78).ToRgbaHex ());
}
[Test]
public void ColorToArgb ()
{
Assert.AreEqual ("#12345678", new CommonColor (0x34, 0x56, 0x78, 0x12).ToArgbHex ());
Assert.AreEqual ("#123456", new CommonColor (0x12, 0x34, 0x56).ToArgbHex ());
}
[Test]
public void ColorToString ()
{
Assert.AreEqual ("#12345678", new CommonColor (0x34, 0x56, 0x78, 0x12).ToString ());
}
[Test]
public void ColorParseArgb ()
{
CommonColor parsed;
Assert.IsTrue (CommonColor.TryParseArgbHex ("#123", out parsed));
Assert.AreEqual (new CommonColor (0x11, 0x22, 0x33), parsed);
Assert.IsTrue (CommonColor.TryParseArgbHex ("#123456", out parsed));
Assert.AreEqual (new CommonColor (0x12, 0x34, 0x56), parsed);
Assert.IsTrue (CommonColor.TryParseArgbHex ("#1234", out parsed));
Assert.AreEqual (new CommonColor (0x22, 0x33, 0x44, 0x11), parsed);
Assert.IsTrue (CommonColor.TryParseArgbHex ("#12345678", out parsed));
Assert.AreEqual (new CommonColor (0x34, 0x56, 0x78, 0x12), parsed);
Assert.IsFalse (CommonColor.TryParseArgbHex ("not a color", out parsed));
Assert.AreEqual (CommonColor.Black, parsed);
}
#pragma warning disable CS0659 // Type overrides Object.Equals(object o) but does not override Object.GetHashCode()
public struct CMYK
{
public CMYK(double c, double m, double y, double k)
{
C = c;
M = m;
Y = y;
K = k;
}
public double C { get; }
public double M { get; }
public double Y { get; }
public double K { get; }
public override bool Equals (object obj)
{
var other = (CMYK)obj;
return Math.Round (other.C, 2) == Math.Round(C, 2)
&& Math.Round (other.M, 2) == Math.Round (M, 2)
&& Math.Round (other.Y, 2) == Math.Round (Y, 2)
&& Math.Round (other.K, 2) == Math.Round (K, 2);
}
public override string ToString () => $"{{ C:{C:P1}, M:{M:P1}, Y:{Y:P1}, K:{K:P1} }}";
}
public struct HLS
{
public HLS (double hue, double lightness, double saturation)
{
Hue = hue;
Lightness = lightness;
Saturation = saturation;
}
public double Hue { get; }
public double Lightness { get; }
public double Saturation { get; }
public override bool Equals (object obj)
{
var other = (HLS)obj;
return Math.Round (other.Hue, 1) == Math.Round(Hue, 1)
&& Math.Round (other.Lightness, 1) == Math.Round(Lightness, 1)
&& Math.Round (other.Saturation, 1) == Math.Round(Saturation, 1);
}
public override string ToString () => $"{{ H:{Hue:F1}°, S:{Saturation:P1}, L:{Lightness:P1} }}";
}
public struct HSB
{
public HSB (double hue, double saturation, double brightness)
{
Hue = hue;
Saturation = saturation;
Brightness = brightness;
}
public double Hue { get; }
public double Saturation { get; }
public double Brightness { get; }
public override bool Equals (object obj)
{
var other = (HSB)obj;
return Math.Round (other.Hue, 1) == Math.Round(Hue, 1)
&& Math.Round (other.Saturation, 1) == Math.Round(Saturation, 1)
&& Math.Round (other.Brightness, 1) == Math.Round(Brightness, 1);
}
public override string ToString () => $"{{ H:{Hue:F1}°, S:{Saturation:P1}, B:{Brightness:P1} }}";
}
#pragma warning restore CS0659 // Type overrides Object.Equals(object o) but does not override Object.GetHashCode()
public struct ColorTestCase
{
public ColorTestCase(
byte red, byte green, byte blue,
double cyanPercent, double magentaPercent, double yellowPercent, double blackPercent,
double hue, double lightnessPercent, double saturationPercent,
double brightnessPercent, byte alpha = 255)
{
Color = new CommonColor (red, green, blue, alpha);
CMYK = new CMYK (cyanPercent / 100, magentaPercent / 100, yellowPercent / 100, blackPercent / 100);
HLS = new HLS (hue, lightnessPercent / 100, saturationPercent/ 100);
HSB = new HSB (hue, saturationPercent / 100, brightnessPercent / 100);
}
public CommonColor Color { get; }
public CMYK CMYK { get; }
public HLS HLS { get; }
public HSB HSB { get; }
}
}
}
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