public void CanCompressImageUsingPalette() { var rawBytes = File.ReadAllBytes(GetImageFile("10by9pixelsrgb8bpp.png")); var png = Png.Open(rawBytes); var builder = PngBuilder.FromPng(png); var compressed = builder.Save(SaveCompressed); Assert.True(compressed.Length < rawBytes.Length, $"Compressed size {compressed.Length} bytes was not smaller than raw size {rawBytes.Length}."); }