public void TestTangleHashOK()
{
Tangle t1 = new Tangle(new int[] { 2, -1, 3 });
Tangle t2 = new Tangle(new int[] { 1, -2, -3 });
Tangle t3 = new Tangle(new int[] { -1, 3, 2 });
Tangle t4 = new Tangle(new int[] { -1, -4, 3, 2, 4 });
int h1 = t1.Hash();
int h2 = t2.Hash();
int h3 = t3.Hash();
int h4 = t4.Hash();
Assert.AreEqual(h1, h2);
Assert.AreEqual(h2, h3);
Assert.AreEqual(h3, h4);
}
