static void QuickSortTest()
{
var quickSort = new Quick();
int[] a = { 4, 1, 7, 3, 8, 9, 11, 2 };
quickSort.sort(a, 0, a.Length - 1);
int[] result = { 1, 2, 3, 4, 7, 8, 9, 11 };
Debug.Assert(Enumerable.SequenceEqual(a, result));
}
