class MyTestCase(unittest.TestCase):
def setUp(self):
self.obj = MinStack()
def tearDown(self):
del self.obj
def test_min_stack(self):
self.obj.push(1), self.obj.pop(), self.obj.push(2), \
self.obj.push(3), self.obj.min(), self.obj.push(1),
self.assertEqual(self.obj.min(), 1)
def setUp(self):
self.obj = MinStack()
