def test_addTwoNumbers_zero(self):
link = TestHelper.generateLinkList([0])
solution = Solution()
result = solution.addTwoNumbers(link, link)
AssertHelper.assertLinkList([0], result)
def test_addTwoNumbers_l1Long_withZero(self):
link1 = TestHelper.generateLinkList([0])
link2 = TestHelper.generateLinkList([1, 8])
solution = Solution()
result = solution.addTwoNumbers(link1, link2)
AssertHelper.assertLinkList([1, 8], result)
def test_addTwoNumbers_l2Long(self):
link1 = TestHelper.generateLinkList([5, 6, 4])
link2 = TestHelper.generateLinkList([2, 4, 3, 1])
solution = Solution()
result = solution.addTwoNumbers(link1, link2)
AssertHelper.assertLinkList([7, 0, 8, 1], result)
def test_addTwoNumbers_firstNumCarry(self):
link1 = TestHelper.generateLinkList([3, 4, 4])
link2 = TestHelper.generateLinkList([3, 4, 6])
solution = Solution()
result = solution.addTwoNumbers(link1, link2)
AssertHelper.assertLinkList([6, 8, 0, 1], result)
def test_addTwoNumbers_hasMultipleCarry(self):
link1 = TestHelper.generateLinkList([1])
link2 = TestHelper.generateLinkList([9, 9])
solution = Solution()
result = solution.addTwoNumbers(link1, link2)
AssertHelper.assertLinkList([0, 0, 1], result)