public void ArrayExtensionTest_WithEmptyArray()
{
EvenPredicate evenPredicate = new EvenPredicate();
int[] arr = {};
Assert.Throws <ArgumentException>(() => arr.FilterBy(evenPredicate));
}
public void ArrayExtensionTest_WithValidArray()
{
EvenPredicate evenPredicate = new EvenPredicate();
int[] arr = { 2, 4, 6, 8, 9 };
int[] expectedResult = { 2, 4, 6, 8 };
int[] result = arr.FilterBy(evenPredicate);
Assert.AreEqual(expectedResult, result);
}
