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