public static void TestDispose()
{
using (V2HmacStream <Stream> stream = V2HmacStream.Create(new V2HmacCalculator(new SymmetricKey(new byte[512]))))
{
stream.Dispose();
Assert.DoesNotThrow(() => stream.Dispose());
Assert.Throws <ObjectDisposedException>(() => stream.Write(new byte[1], 0, 1));
}
}
