public void FindAll() { var bag1 = new Bag <double>(new[] { 4.5, 187.4, 1.2, 7.6, -7.6, -0.04, 1.2, 1.78, 10.11, 187.4 }); double[] expected = { -7.6, 7.6, 10.11, 187.4, 187.4 }; InterfaceTests.TestEnumerableElementsAnyOrder(bag1.FindAll(d => Math.Abs(d) > 5), expected); }