public void KClosest_Test()
{
int[][] points = { new int[] { 1, 3 }, new int[] { -2, 2 } };
var actual = new KClosestPointsToOriginCls().KClosest(points, 1);
int[][] expected = { new int[] { -2, 2 } };
Assert.Single(actual);
Assert.Equal(expected[0][0], actual[0][0]);
Assert.Equal(expected[0][1], actual[0][1]);
}
public void KClosest_Test2()
{
int[][] points = { new int[] { 0, 1 }, new int[] { 1, 0 } };
var actual = new KClosestPointsToOriginCls().KClosest(points, 2);
int[][] expected = { new int[] { 0, 1 }, new int[] { 1, 0 } };
Assert.Equal(2, actual.Length);
Assert.Equal(expected[0][0], actual[0][0]);
Assert.Equal(expected[0][1], actual[0][1]);
}