public void CollatzIterative()
{
Assert.AreEqual(0, Collatz.collatz_iterative(1));
Assert.AreEqual(1, Collatz.collatz_iterative(2));
Assert.AreEqual(2, Collatz.collatz_iterative(4));
Assert.AreEqual(3, Collatz.collatz_iterative(8));
Assert.AreEqual(4, Collatz.collatz_iterative(16));
Assert.AreEqual(5, Collatz.collatz_iterative(5));
Assert.AreEqual(5, Collatz.collatz_iterative(32));
Assert.AreEqual(6, Collatz.collatz_iterative(10));
Assert.AreEqual(6, Collatz.collatz_iterative(64));
Assert.AreEqual(7, Collatz.collatz_iterative(3));
Assert.AreEqual(7, Collatz.collatz_iterative(20));
Assert.AreEqual(7, Collatz.collatz_iterative(21));
Assert.AreEqual(7, Collatz.collatz_iterative(128));
}
public void CollatzIterativeNegative()
{
Assert.AreEqual(-1, Collatz.collatz_iterative(0));
Assert.AreEqual(-1, Collatz.collatz_iterative(-1));
Assert.AreEqual(-1, Collatz.collatz_iterative(-5));
}