static void runFizzBuzz()
{
Console.WriteLine("Results of using FizzBuzzMapper from 1 to 100:");
List <string> list = NumberDecorator.getNumberedList(1, 100, new FizzBuzzMapper());
foreach (String s in list)
{
Console.WriteLine(s);
}
}
static void runSquare()
{
Console.WriteLine("Results of using SquareMapper from 0 to 100:");
var squareMapper = new SquareMapper();
List <string> list = NumberDecorator.getNumberedList(0, 100, squareMapper);
foreach (String s in list)
{
Console.WriteLine(s);
}
}
public void TestLength()
{
try
{
List <string> list = NumberDecorator.getNumberedList(1, 15, new FizzBuzzMapper());
Assert.IsTrue(list.Count == 15);
}
catch (Exception ex)
{
Assert.Fail("Unexpected exception: " + ex.Message);
}
}
public void TestNonNull()
{
try
{
List <string> list = NumberDecorator.getNumberedList(1, 15, new FizzBuzzMapper());
Assert.IsNotNull(list);
}
catch (Exception ex)
{
Assert.Fail("Unexpected exception: " + ex.Message);
}
}
public void TestInvalidMapper()
{
try
{
List <string> list = NumberDecorator.getNumberedList(1, 100, null);
Assert.Fail("Exception should have been thrown for invalid mapper");
}
catch (ArgumentException)
{
//Good.
}
catch (Exception ex)
{
//Another kind of exception should not happen
Assert.Fail("Unexpected exception: " + ex.Message);
}
}
public void TestCorrectFizzBuzz()
{
try
{
List <string> expected = new List <string>()
{
"1", "2", "fizz", "4", "buzz", "fizz",
"7", "8", "fizz", "buzz", "11", "fizz",
"13", "14", "fizzbuzz"
};
List <string> list = NumberDecorator.getNumberedList(1, 15, new FizzBuzzMapper());
CollectionAssert.AreEqual(expected, list);
}
catch (Exception ex)
{
//Another kind of exception should not happen
Assert.Fail("Unexpected exception: " + ex.Message);
}
}