public void Inventor_Delegate_Succeeds()
{
var inventor = new Inventor(new ExpensesStrategy(), new ImprovementStrategy(), new RentStrategy());
inventor.MakeSound();
Assert.NotNull(inventor.CalculateExpenses(DateTime.MinValue, DateTime.MaxValue));
Assert.NotNull(inventor.RentCost(DateTime.MinValue, DateTime.MaxValue));
Assert.NotNull(inventor.ImprovementCost(inventor.Quality));
}
public void Inventor_Delegate_Fails()
{
var inventor = new Inventor();
inventor.MakeSound();
Assert.Null(inventor.CalculateExpenses(DateTime.MinValue, DateTime.MaxValue));
Assert.Null(inventor.RentCost(DateTime.MinValue, DateTime.MaxValue));
Assert.Null(inventor.ImprovementCost(inventor.Quality));
}