public void ItSelectsPrimes()
{
//Given
var numbers = new List<int> { 1, 2, 3, 4, 5 };
//When
var filter = new Filter();
var result = filter.Select(numbers, ThatAre.Prime);
//Then
var expected = new List<int> { 2, 3, 5 };
Assert.AreEqual(expected, result);
}
public void ItSelectsEvenNumbers()
{
//Given
var numbers = new List<int> {1,2,3,4,5};
//When
var filter = new Filter();
IList<int> result = filter.Select(numbers, ThatAre.Even);
//Then
IList<int> expected = new List<int> {2,4};
Assert.AreEqual(expected, result);
}