public void Lab()
{
var whitepoint = new nfloat [] { 1, 2, 3 };
var blackpoint = new nfloat [] { 3, 2, 1 };
var range = new nfloat [] { 1, 2, 3, 4 };
Assert.Throws <ArgumentNullException> (() => CGColorSpace.CreateLab(null, blackpoint, range), "null whitepoint");
Assert.Throws <ArgumentException> (() => CGColorSpace.CreateLab(new nfloat [0], blackpoint, range), "invalid whitepoint0");
Assert.Throws <ArgumentException> (() => CGColorSpace.CreateLab(new nfloat [4], blackpoint, range), "invalid whitepoint4");
Assert.Throws <ArgumentException> (() => CGColorSpace.CreateLab(whitepoint, new nfloat [0], range), "invalid blackpoint0");
Assert.Throws <ArgumentException> (() => CGColorSpace.CreateLab(whitepoint, new nfloat [4], range), "invalid blackpoint4");
Assert.Throws <ArgumentException> (() => CGColorSpace.CreateLab(whitepoint, blackpoint, new nfloat [0]), "invalid range0");
Assert.Throws <ArgumentException> (() => CGColorSpace.CreateLab(whitepoint, blackpoint, new nfloat [3]), "invalid range3");
using (var space = CGColorSpace.CreateLab(whitepoint, blackpoint, range)) {
Assert.IsNotNull(space, "all non-null");
}
using (var space = CGColorSpace.CreateLab(whitepoint, null, range)) {
Assert.IsNotNull(space, "null blackpoint");
}
using (var space = CGColorSpace.CreateLab(whitepoint, blackpoint, null)) {
Assert.IsNotNull(space, "null gamma");
}
using (var space = CGColorSpace.CreateLab(whitepoint, null, null)) {
Assert.IsNotNull(space, "all null");
}
}