public void NamedVersionWorks(byte red, byte green, byte blue, string nameValue)
{
var rgb = new RgbColor(red, green, blue);
var name = rgb.Name;
Assert.That(name.Value, Is.EqualTo(nameValue));
}
public void RgbVersionIsItself()
{
var original = new RgbColor(1, 2, 3);
var copy = original.RedGreenBlue;
Assert.That(original, Is.SameAs(copy));
}
//TODO: extension to convert a color to a wavelength measurement
public static RgbColor FromHexString(string value)
{
if (value == null)
{
return null;
}
if (!value.StartsWith("#"))
{
return null;
}
if (value.Length != 7)
{
return null;
}
try
{
var red = HexToByte(value.Substring(1, 2));
var green = HexToByte(value.Substring(3, 2));
var blue = HexToByte(value.Substring(5, 2));
var result = new RgbColor(red, green, blue);
return result;
}
catch (FormatException)
{
return null;
}
}
public void ItConvertsColorsToNames(byte red, byte green, byte blue, params string[] expected)
{
var color = new RgbColor(red, green, blue);
var actual = _dictionary.Find(color);
CollectionAssert.AreEqual(expected, actual);
}
public void ItConvertsAnInvalidColorToAnEmptyList(byte red, byte green, byte blue)
{
var color = new RgbColor(red, green, blue);
var actual = _dictionary.Find(color);
CollectionAssert.IsEmpty(actual);
}
public void ItSavesValuesCorrectly()
{
var color = new RgbColor(1, 2, 3);
Assert.That(color.Red, Is.EqualTo(1));
Assert.That(color.Green, Is.EqualTo(2));
Assert.That(color.Blue, Is.EqualTo(3));
}
public IEnumerable<string> Find(RgbColor color)
{
if (color == null)
{
return null;
}
if (!_colorToName.ContainsKey(color))
{
return new string[0];
}
var result = _colorToName[color];
return result;
}
public IEnumerable <string> Find(RgbColor color)
{
if (color == null)
{
return(null);
}
if (!_colorToName.ContainsKey(color))
{
return(new string[0]);
}
var result = _colorToName[color];
return(result);
}
public bool Equals(RgbColor other)
{
if (Red != other.Red)
{
return false;
}
if (Green != other.Green)
{
return false;
}
if (Blue != other.Blue)
{
return false;
}
return true;
}
public bool Equals(RgbColor other)
{
if (Red != other.Red)
{
return(false);
}
if (Green != other.Green)
{
return(false);
}
if (Blue != other.Blue)
{
return(false);
}
return(true);
}
private void Add(string name, RgbColor color)
{
name = name.ToLower();
_nameToColor.Add(name, color);
List<string> namesForThisColor;
if (_colorToName.ContainsKey(color))
{
namesForThisColor = _colorToName[color];
}
else
{
namesForThisColor = new List<string>();
_colorToName.Add(color, namesForThisColor);
}
namesForThisColor.Add(name);
}
private void Add(string name, RgbColor color)
{
name = name.ToLower();
_nameToColor.Add(name, color);
List <string> namesForThisColor;
if (_colorToName.ContainsKey(color))
{
namesForThisColor = _colorToName[color];
}
else
{
namesForThisColor = new List <string>();
_colorToName.Add(color, namesForThisColor);
}
namesForThisColor.Add(name);
}
public void ToHexStringWorks(string hexValue, byte red, byte green, byte blue)
{
var rgb = new RgbColor(red, green, blue);
var actual = rgb.ToHexString();
Assert.That(actual, Is.EqualTo(hexValue));
}
