public void ShouldDetectUnexpectedLongSwitch()
{
var args = new [] { "--long", "--secondLong" };
var parser = new OptionsParser();
parser.WithOption<bool>("long");
parser.Parse(args);
Assert.AreEqual(1, parser.ParsedOptions.Count());
Assert.AreEqual("long", parser.ParsedOptions.First().Flag.LongName);
Assert.AreEqual(1, parser.UnexpectedArguments.Count());
Assert.AreEqual("secondLong", parser.UnexpectedArguments.First().Value);
}