public void Constructor1Works()
{
// Arrange
int t = 1;
// Act
var clo = new CommandLineOption('a', "abc", "desc", ParameterType.None, value => t++);
clo.SetFunction(null);
// Assert
Assert.AreEqual("desc", clo.Description);
Assert.AreEqual("abc", clo.LongName);
Assert.AreEqual('a', clo.ShortName);
Assert.AreEqual(ParameterType.None, clo.ParameterType);
Assert.AreEqual(2, t);
}
public void Constructor2Works()
{
// Arrange
int t = 1;
// Act
var clo = new CommandLineOption("desc", ParameterType.Integer, value => t++, true);
clo.SetFunction(null);
// Assert
Assert.AreEqual("desc", clo.Description);
Assert.AreEqual(null, clo.LongName);
Assert.AreEqual('\0', clo.ShortName);
Assert.AreEqual(ParameterType.Integer, clo.ParameterType);
Assert.AreEqual(2, t);
}
/// <summary>
/// Parses any parameters on the command line that is associated with this option, and calls the set function
/// </summary>
/// <param name="args">
/// Command line arguments, usually the parameter to the "main" function
/// </param>
/// <param name="i">
/// Index in the args array we should start at
/// </param>
/// <param name="option">
/// Which option we are trying to parse
/// </param>
/// <param name="inlineValue">
/// optional value for parameter if found
/// </param>
/// <returns>
/// How many of the arguments in args we used up
/// </returns>
private static int ParseAndDispatch(string[] args, int i, CommandLineOption option, string inlineValue = null)
{
if (option.ParameterType != ParameterType.None && args.Length < i + 2 && inlineValue == null)
{
throw new CommandLineException(string.Format("Option '{0}' requires a parameter", option.LongName ?? option.ShortName.ToString()));
}
switch (option.ParameterType)
{
case ParameterType.Double:
double tempChar;
var ci = new CultureInfo("en-US");
if (!double.TryParse(inlineValue ?? args[++i], NumberStyles.Any, ci, out tempChar))
{
throw new CommandLineException(
string.Format("Option '{0}': '{1}' is not a valid numeric value", option.Name, inlineValue ?? args[i]));
}
if (option.SetFunction != null)
{
option.SetFunction(tempChar);
}
return i;
case ParameterType.Integer:
int tempInt;
if (!int.TryParse(inlineValue ?? args[++i], out tempInt))
{
throw new CommandLineException(string.Format("Option '{0}': '{1}' is not a valid integer", option.Name, inlineValue ?? args[i]));
}
if (option.SetFunction != null)
{
option.SetFunction(tempInt);
}
return i;
case ParameterType.String:
i++;
if (option.SetFunction != null)
{
option.SetFunction(inlineValue ?? args[i]);
}
return i;
case ParameterType.None:
if (option.SetFunction != null)
{
option.SetFunction(null);
}
return i;
}
return i;
}