public void Convert_XYZ_to_Lab(double x, double y, double z, double l, double a, double b)
{
// arrange
var input = new XYZColor(x, y, z);
var converter = new ColourfulConverter { WhitePoint = Illuminants.D65, TargetLabWhitePoint = Illuminants.D65 };
// act
LabColor output = converter.ToLab(input);
// assert
Assert.That(output.L, Is.EqualTo(l).Using(DoubleComparerLabPrecision));
Assert.That(output.a, Is.EqualTo(a).Using(DoubleComparerLabPrecision));
Assert.That(output.b, Is.EqualTo(b).Using(DoubleComparerLabPrecision));
}
