public void Argb()
{
// Test the limits.
Assert.Equal((uint)0x0, new Argb(Vector4.Zero).PackedValue);
Assert.Equal(0xFFFFFFFF, new Argb(Vector4.One).PackedValue);
// Test ToVector4.
Assert.True(Equal(Vector4.One, new Argb(Vector4.One).ToVector4()));
Assert.True(Equal(Vector4.Zero, new Argb(Vector4.Zero).ToVector4()));
Assert.True(Equal(Vector4.UnitX, new Argb(Vector4.UnitX).ToVector4()));
Assert.True(Equal(Vector4.UnitY, new Argb(Vector4.UnitY).ToVector4()));
Assert.True(Equal(Vector4.UnitZ, new Argb(Vector4.UnitZ).ToVector4()));
Assert.True(Equal(Vector4.UnitW, new Argb(Vector4.UnitW).ToVector4()));
// Test clamping.
Assert.True(Equal(Vector4.Zero, new Argb(Vector4.One * -1234.0f).ToVector4()));
Assert.True(Equal(Vector4.One, new Argb(Vector4.One * +1234.0f).ToVector4()));
float x = +0.1f;
float y = -0.3f;
float z = +0.5f;
float w = -0.7f;
Argb argb = new Argb(x, y, z, w);
Assert.Equal(0x001a0080u, argb.PackedValue);
// Test ordering
byte[] rgb = new byte[3];
byte[] rgba = new byte[4];
byte[] bgr = new byte[3];
byte[] bgra = new byte[4];
argb.ToXyzBytes(rgb, 0);
Assert.Equal(rgb, new byte[] { 0x1a, 0, 0x80 });
argb.ToXyzwBytes(rgba, 0);
Assert.Equal(rgba, new byte[] { 0x1a, 0, 0x80, 0 });
argb.ToZyxBytes(bgr, 0);
Assert.Equal(bgr, new byte[] { 0x80, 0, 0x1a });
argb.ToZyxwBytes(bgra, 0);
Assert.Equal(bgra, new byte[] { 0x80, 0, 0x1a, 0 });
}
