(self)
| 142 | |
| 143 | class TestOrderedStack(unittest.TestCase): |
| 144 | def test_ordered_stack(self): |
| 145 | stack = OrderedStack() |
| 146 | self.assertTrue(stack.is_empty()) |
| 147 | stack.push(1) |
| 148 | stack.push(4) |
| 149 | stack.push(3) |
| 150 | stack.push(6) |
| 151 | "bottom - > 1 3 4 6 " |
| 152 | self.assertEqual(6, stack.pop()) |
| 153 | self.assertEqual(4, stack.peek()) |
| 154 | self.assertEqual(3, stack.size()) |
| 155 | |
| 156 | |
| 157 | if __name__ == "__main__": |