public void RoundTripFormatting(string expectedUrl, string userInfo, string host, string port, IEnumerable <string> path, string query, string fragment)
{
var uri = new HttpUniformResourceIdentifier(host, port, path, query, fragment);
Assert.Equal(expectedUrl, uri.ToString());
var parsed = HttpUniformResourceIdentifier.Parse(uri.ToString());
Assert.Equal(HttpUniformResourceIdentifier.HttpScheme, ((IUniformResourceIdentifier)parsed).Scheme);
Assert.Equal(userInfo, ((IUniformResourceIdentifierReference)parsed).UserInfo);
Assert.Equal(host, parsed.Host);
Assert.Equal(port, parsed.Port);
Assert.Equal(path, parsed.PathSegments);
Assert.Equal(query, parsed.Query);
Assert.Equal(fragment, parsed.Fragment);
var deconstructed = new HttpUniformResourceIdentifierBuilder(uri).Build();
Assert.Equal(HttpUniformResourceIdentifier.HttpScheme, ((IUniformResourceIdentifier)deconstructed).Scheme);
Assert.Equal(userInfo, ((IUniformResourceIdentifierReference)deconstructed).UserInfo);
Assert.Equal(host, deconstructed.Host);
Assert.Equal(port, deconstructed.Port);
Assert.Equal(path, deconstructed.PathSegments);
Assert.Equal(query, deconstructed.Query);
Assert.Equal(fragment, deconstructed.Fragment);
var systemUri = uri.ToUri();
Assert.True(systemUri.IsAbsoluteUri);
Assert.Equal(uri.ToString(), systemUri.ToString());
}
public void Parse_InvalidScheme_ThrowsException() => Assert.Throws <ArgumentException>(() => HttpUniformResourceIdentifier.Parse("https://www.example.com/"));
