public void RecTest()
{
int ret5 = SortLevel.KnuthRec(5);
int ret4 = SortLevel.KnuthRec(4);
int ret3 = SortLevel.KnuthRec(3);
int ret2 = SortLevel.KnuthRec(2);
int ret1 = SortLevel.KnuthRec(1);
int ret0 = SortLevel.KnuthRec(0);
int expected5 = 364;
int expected4 = 121;
int expected3 = 40;
int expected2 = 13;
int expected1 = 4;
int expected0 = 1;
Assert.AreEqual(expected5, ret5);
Assert.AreEqual(expected4, ret4);
Assert.AreEqual(expected3, ret3);
Assert.AreEqual(expected2, ret2);
Assert.AreEqual(expected1, ret1);
Assert.AreEqual(expected0, ret0);
}