def test1(self): stack1 = Stack(1) stack1.push(2) self.assertFalse(stack1.is_empty()) self.assertTrue(stack1.is_full()) with self.assertRaises(IndexError): #checks for exception stack1.push(1)
def test_simple(self): stack = Stack(5) stack.push(0) self.assertFalse(stack.is_empty()) self.assertFalse(stack.is_full()) self.assertEqual(stack.size(), 1) stack.push(4) stack.push(9) self.assertEqual(stack.size(), 3) stack.push(8) stack.push(7) with self.assertRaises(IndexError): stack.push(6) stack.pop() self.assertEqual(stack.size(), 4) self.assertEqual(stack.peek(), 8) stack.pop() stack.pop() stack.pop() self.assertEqual(stack.pop(), 0) self.assertEqual(stack.size(), 0) with self.assertRaises(IndexError): stack.pop() with self.assertRaises(IndexError): stack.peek()
def test_simple(self): stack = Stack(5) stack.push(0) self.assertFalse(stack.is_empty()) self.assertFalse(stack.is_full()) self.assertEqual(stack.size(), 1) stack.push(1) self.assertEqual(stack.pop(), 1) self.assertEqual(stack.peek(), 0)
def test2(self): stack = Stack(4) self.assertTrue(stack.is_empty()) stack.push(None) stack.push(4) stack.push(1) stack.push(7) self.assertTrue(stack.is_full()) self.assertEqual(stack.pop(), 7) self.assertEqual(stack.size(), 3)
def test_simple_1(self): stack = Stack(3) self.assertRaises(IndexError, stack.peek) stack.push(0) stack.push(1) stack.push(2) self.assertRaises(IndexError, stack.push, 3) self.assertTrue(stack.is_full()) self.assertEqual(stack.size(),3) stack.pop() stack.pop() self.assertEqual(stack.pop(), 0)
def test_push(self): stack = Stack(4) stack.push(2) stack.push(16) self.assertEqual(stack.num_items, 2) stack.push(10) stack.push(21) self.assertEqual(stack.items[0], 2) self.assertEqual(stack.items[1], 16) self.assertEqual(stack.items[2], 10) self.assertEqual(stack.items[3], 21) self.assertTrue(stack.is_full()) with self.assertRaises(IndexError): # used to check for exception stack.push(66)
def test_simple(self): stack = Stack(5) self.assertTrue(stack.is_empty()) stack.push(0) self.assertFalse(stack.is_empty()) self.assertFalse(stack.is_full()) self.assertEqual(stack.size(), 1) stack.push(1) self.assertEqual(stack.size(), 2) self.assertEqual(stack.capacity, 5) self.assertEqual(stack.peek(), 1) self.assertEqual(stack.pop(), 1) self.assertEqual(stack.size(), 1) for i in range(4): stack.push(1) with self.assertRaises(IndexError): stack.push(1) with self.assertRaises(IndexError): s = Stack(1) s.pop() with self.assertRaises(IndexError): e = Stack(1) e.peek() self.assertTrue(stack.is_full())
def test_linked(self): stack = Stack(10) stack.push('a') stack.pop() self.assertEqual(stack.size(),0) self.assertTrue(stack.is_empty()) stack.push('a') stack.push('b') stack.push('c') stack.push('d') stack.push('e') stack.push('f') stack.push('g') stack.push('h') stack.push('i') stack.push('j') self.assertTrue(stack.is_full()) self.assertRaises(IndexError, stack.push,'k') stack.pop() self.assertEqual(stack.peek(), 'i') self.assertEqual(stack.size(), 9)
def test_full(self): stack = Stack(1) self.assertFalse(stack.is_full()) stack.push(1) self.assertTrue(stack.is_full())
def test_linked_1(self): stack = Stack(4) self.assertRaises(IndexError, stack.peek) self.assertRaises(IndexError, stack.pop) self.assertTrue(stack.is_empty()) self.assertFalse(stack.is_full())
def test_stack0(self): stack = Stack(0) self.assertTrue(stack.is_empty()) self.assertTrue(stack.is_full())