public void Must_parse_correctly(string headerValue, string hash)
            {
                ContentMd5Header header = ContentMd5Header.Parse(headerValue);

                Assert.That(header, Is.Not.Null);
                Assert.That(header.Md5Digest, Is.EquivalentTo(hash.Select(arg => (byte)arg)));
            }
 public void Must_not_result_in_header(string headerValue)
 {
     Assert.That(ContentMd5Header.Parse(headerValue), Is.Null);
 }