public void ShouldParseShortSwitchWithValue()
{
var args = new [] { "-n123" };
var parser = new OptionsParser();
parser.WithOption<int>('n');
parser.Parse(args);
Assert.AreEqual(1, parser.ParsedOptions.Count());
Assert.AreEqual('n', parser.ParsedOptions.First().Flag.ShortName);
Assert.AreEqual(123, parser.ParsedOptions.First().Value);
}