def test_eval_startLength2 (self) :
#Corner test for test_eval_helper
v = collatz_eval_startLength(3,6)
self.assertTrue(v == 3)
def test_eval_startLength3 (self) :
#Corner test for test_eval_helper
v = collatz_eval_startLength(100, 900)
self.assertTrue(v == 450)
def test_eval_startLength1 (self) :
#Corner test for test_eval_helper
v = collatz_eval_startLength(1,20)
self.assertTrue(v == 10)
