class StackExamples(unittest.TestCase):
def setUp(self):
self.s = Stack()
def test_existance(self):
self.assertTrue(isinstance(self.s, Stack))
def test_empty(self):
self.assertTrue(self.s.is_empty())
def test_push(self):
self.s.push(7)
value = self.s.pop()
self.assertEqual(value, 7)
def test_pop_empty(self):
self.assertRaises(ValueError, self.s.pop)
def test_size_one_element(self):
self.s.push('an element')
self.assertEqual(self.s.get_size(), 1)
def test_size_two_elements(self):
self.s.push(1.343)
self.s.push(-343)
self.assertEqual(self.s.get_size(), 2)
def test_size_one_element_popped(self):
self.s.push('apple')
self.s.pop()
self.assertTrue(self.s.is_empty())
def test_push_two_items(self):
self.s.push('anything')
self.s.push(10)
value = self.s.pop()
self.assertEqual(value, 10)
def test_peek_on_empty(self):
self.assertEqual(self.s.peek(), None)
def test_peek_one_item(self):
self.s.push('something')
self.assertEqual(self.s.peek(), 'something')
def cetakHexa(data):
hx = Stack()
hxlist = "0123456789ABCDEF"
while data != 0:
sisa = data % 16
data = data // 16
hx.push(hxlist[sisa])
st = ""
for i in range(len(hx)):
st = st + str(hx.pop())
return st
from code import Stack
nilai = Stack()
for i in range(16):
if i % 3 == 0:
nilai.push(i)
elif i % 4 == 0:
nilai.pop()
print(nilai.items)