public void ReverseSubsequences()
{
KnotHash kh = new KnotHash();
int[] a = { 0, 1, 2, 3, 4 };
kh.ReverseSubsequence(a, 0, 3);
Assert.Equal(new int[] { 2, 1, 0, 3, 4 }, a);
int[] b = { 2, 1, 0, 3, 4 };
kh.ReverseSubsequence(b, 3, 4);
Assert.Equal(new int[] { 4, 3, 0, 1, 2 }, b);
int[] c = { 4, 3, 0, 1, 2 };
kh.ReverseSubsequence(c, 3, 1);
Assert.Equal(new int[] { 4, 3, 0, 1, 2 }, c);
int[] d = { 4, 3, 0, 1, 2 };
kh.ReverseSubsequence(d, 1, 5);
Assert.Equal(new int[] { 3, 4, 2, 1, 0 }, d);
}
