public void ExtractEndpointWithoutCrypto()
        {
            var entry = new AddressBookEntry();

            Assert.Throws <ArgumentNullException>(() => entry.ExtractEndpoint(null));
        }
 public void ExtractEndpointWithoutCrypto()
 {
     var entry = new AddressBookEntry();
     Assert.Throws<ArgumentNullException>(() => entry.ExtractEndpoint());
 }