public void CanCallMethodWithOptionalArguments()
{
var detective = new Detective();
// If the caller provides an argument for any one of a succession of optional parameters, it must
// provide arguments for all preceding optional parameters.
// The following line will not compile
//var results = detective.FindSuspect("Fraud", ,20);
var results = detective.FindSuspect("Fraud", DateTime.Now);
Assert.AreEqual(50, results);
}
public void CanCallMethodWithNamedArguments()
{
var detective = new Detective();
// Named arguments can be supplied for the parameters in either order.
bool mysterySolved = detective.SolveMystery(suspect: "Poirot", crime: "Murder");
Assert.IsTrue(mysterySolved);
// Positional arguments cannot follow named arguments.
// The following statement causes a compiler error.
//mysterySolved = detective.SolveMystery(crime:"Murder", "Poirot");
// Named arguments can follow positional arguments.
mysterySolved = detective.SolveMystery("Murder", suspect:"Poirot");
Assert.IsTrue(mysterySolved);
}