public void intput__2_0_0_2_2_shouldReturn_1set()
{
var inputNum = new int[] { -2, 0, 0, 2, 2 };
ArrayList targetList = new ArrayList();
targetList.Add(new int[] { -2, 0, 2 });
var actual = ThreeSum.calThreeSum(inputNum);
var comparer = Comparer <object> .Create((a, b) => ((int[])a).SequenceEqual((int[])b)? 0 : 1);
CollectionAssert.AreEqual(targetList, actual, comparer);
}