(self)
| 107 | self.assertTrue(stack.is_empty()) |
| 108 | |
| 109 | def test_linked_list_stack(self): |
| 110 | stack = LinkedListStack() |
| 111 | |
| 112 | stack.push(1) |
| 113 | stack.push(2) |
| 114 | stack.push(3) |
| 115 | |
| 116 | # test __iter__() |
| 117 | it = iter(stack) |
| 118 | self.assertEqual(3, next(it)) |
| 119 | self.assertEqual(2, next(it)) |
| 120 | self.assertEqual(1, next(it)) |
| 121 | self.assertRaises(StopIteration, next, it) |
| 122 | |
| 123 | # test __len__() |
| 124 | self.assertEqual(3, len(stack)) |
| 125 | |
| 126 | # test __str__() |
| 127 | self.assertEqual(str(stack), "Top-> 3 2 1") |
| 128 | |
| 129 | # test is_empty() |
| 130 | self.assertFalse(stack.is_empty()) |
| 131 | |
| 132 | # test peek() |
| 133 | self.assertEqual(3, stack.peek()) |
| 134 | |
| 135 | # test pop() |
| 136 | self.assertEqual(3, stack.pop()) |
| 137 | self.assertEqual(2, stack.pop()) |
| 138 | self.assertEqual(1, stack.pop()) |
| 139 | |
| 140 | self.assertTrue(stack.is_empty()) |
| 141 | |
| 142 | |
| 143 | class TestOrderedStack(unittest.TestCase): |
nothing calls this directly
no test coverage detected