public void PersonNameConverter_PerformSortCorrectly( )
{
PersonNameConverter converter = new PersonNameConverter();
NameSorter sorter = new NameSorter();
// Define the test input and expected result
string[] rawNames = { "Homer Jay Simpson", "Bart Simpson", "Ned Flanders", "Milhouse Van Houten" };
string[] expectedResult = { "Ned Flanders", "Milhouse Van Houten", "Bart Simpson", "Homer Jay Simpson" };
// create the list of PersonNames to sort
List <PersonName> personNames = converter.StringArrayToPersonNameList(rawNames);
// perfome the operation that is being tested. The sort operation.
personNames = sorter.SortByLastNameThenFirstName(personNames);
// if the input and the result are equal both methods worked.
Assert.Equal(expectedResult, converter.PersonNameListToStringArray(personNames));
}