def testListSum(self):
self.assertEqual(0, LoopFun.listSum([]))
self.assertEqual(6, LoopFun.listSum([1, 2, 3]))
self.assertEqual(-1, LoopFun.listSum([-1]))
self.assertEqual(15, LoopFun.listSum([1, 2, 3, 4, 5, 0]))
self.assertEqual(-5, LoopFun.listSum([-1, -2, 1, -3]))
