public void GetFilterMethodDescription()
{
PngDirectory directory = new PngDirectory(PngChunkType.IHDR);
PngDescriptor descriptor = new PngDescriptor(directory);
directory.Set(PngDirectory.TagFilterMethod, 0);
Assert.Equal("Adaptive", descriptor.GetFilterMethodDescription());
Assert.Equal("Adaptive", directory.GetDescription(PngDirectory.TagFilterMethod));
}