public void Returns_Empty_Results_When_Given_Empty_List()
{
var list = new List <Person>();
var finder = new AgeDifferenceFinder(list);
var result = finder.Find(AgeDifferenceType.Closest);
Assert.Null(result.OlderPerson);
Assert.Null(result.YoungerPerson);
}
public void Returns_Closest_Two_For_Four_People()
{
var list = new List <Person>()
{
greg, mike, sarah, sue
};
var finder = new AgeDifferenceFinder(list);
var result = finder.Find(AgeDifferenceType.Closest);
Assert.Same(sue, result.OlderPerson);
Assert.Same(greg, result.YoungerPerson);
}
public void Returns_Furthest_Two_For_Two_People()
{
var list = new List <Person>()
{
greg, mike
};
var finder = new AgeDifferenceFinder(list);
var result = finder.Find(AgeDifferenceType.Furthest);
Assert.Same(greg, result.OlderPerson);
Assert.Same(mike, result.YoungerPerson);
}
