public void TestThreeSum()
{
int[] input = { -1, 0, 1, 2, -1, -4 };
_3Sum sum = new _3Sum();
var result = sum.ThreeSum(input);
Assert.IsTrue(result.Count == 2);
}
public void TestThreeSum1()
{
int[] input = { 0, 0, 0, 0 };
_3Sum sum = new _3Sum();
var result = sum.ThreeSum(input);
Assert.IsTrue(result.Count == 1);
}
public void TestThreeSum2()
{
int[] input = { -4, -2, 1, -5, -4, -4, 4, -2, 0, 4, 0, -2, 3, 1, -5, 0 };
_3Sum sum = new _3Sum();
var result = sum.ThreeSum(input);
Assert.IsTrue(result.Count == 6);
}