public void Argb32() { // Test the limits. Assert.Equal((uint)0x0, new Argb32(Vector4.Zero).PackedValue); Assert.Equal(0xFFFFFFFF, new Argb32(Vector4.One).PackedValue); // Test ToVector4. Assert.True(Equal(Vector4.One, new Argb32(Vector4.One).ToVector4())); Assert.True(Equal(Vector4.Zero, new Argb32(Vector4.Zero).ToVector4())); Assert.True(Equal(Vector4.UnitX, new Argb32(Vector4.UnitX).ToVector4())); Assert.True(Equal(Vector4.UnitY, new Argb32(Vector4.UnitY).ToVector4())); Assert.True(Equal(Vector4.UnitZ, new Argb32(Vector4.UnitZ).ToVector4())); Assert.True(Equal(Vector4.UnitW, new Argb32(Vector4.UnitW).ToVector4())); // Test clamping. Assert.True(Equal(Vector4.Zero, new Argb32(Vector4.One * -1234.0f).ToVector4())); Assert.True(Equal(Vector4.One, new Argb32(Vector4.One * +1234.0f).ToVector4())); float x = +0.1f; float y = -0.3f; float z = +0.5f; float w = -0.7f; Argb32 argb = new Argb32(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 }); }