def test_push2_pop2_size(self):
s = Stack()
s.push("Royce")
s.push("Toan")
s.pop()
s.pop()
self.assertEqual(0, s.size())
def test_peek_empty(self):
s = Stack()
self.assertRaises(IndexError, s.peek)
def test_push1_size(self):
item = 5
s = Stack()
s.push(item)
self.assertEqual(1, s.size())
def test_peek_push3_pop1(self):
s = Stack()
s.push(1)
s.push(123)
s.push(3)
s.pop()
self.assertEqual(123, s.peek())
def test_peek_push1(self):
s = Stack()
s.push(13)
self.assertEqual(13, s.peek())
def test_isEmpty_push1_pop1(self):
s = Stack()
s.push(1)
s.pop()
self.assertEqual(True, s.isEmpty())
def test_isEmpty_push1(self):
s = Stack()
s.push(5)
self.assertEqual(False, s.isEmpty())
def test_isEmpty_init(self):
s = Stack()
self.assertEqual(True, s.isEmpty())
def test_push2_pop2_value(self):
s = Stack()
s.push("Royce")
s.push("Toan")
s.pop()
self.assertEqual("Royce", s.pop())
def test_stack_init(self):
s = Stack()
self.assertEqual(0, s.size())
def test_push2_pop1_value(self):
s = Stack()
s.push(8)
s.push(9)
self.assertEqual(9, s.pop())
def test_push2_pop1_size(self):
s = Stack()
s.push(5)
s.push(6)
s.pop()
self.assertEqual(1, s.size())
def test_push2_items(self):
s = Stack()
s.push(5)
s.push(6)
self.assertEqual([5, 6], s.items)
def test_push2_size(self):
s = Stack()
s.push(5)
s.push(6)
self.assertEqual(2, s.size())
def test_push1_items(self):
s = Stack()
s.push(5)
self.assertEqual([5], s.items)