#!/usr/bin/python #from digit import Solution #from anagram import Solution from stack import Queue answer = Queue() answer.push(1) answer.push(2) print 'should be 1' print answer.peek() answer.pop() print 'should be 2' print answer.peek() answer.empty() answer.pop() answer.pop() print 'should be none' print answer.peek()
def test_queue_002(self):
q = Queue()
self.assertTrue(q.is_empty())
q.enqueue('A')
self.assertFalse(q.is_empty())
self.assertFalse(q.is_empty())
self.assertEqual(q.dequeue(), 'A')
self.assertTrue(q.is_empty())
def test_dequeue(self):
queue = Queue()
queue.enqueue(1)
queue.enqueue(2)
queue.enqueue(3)
self.assertEqual(queue.dequeue(), 1)
self.assertEqual(queue.dequeue(), 2)
self.assertEqual(queue.dequeue(), 3)
def test_queue_001(self):
q = Queue()
self.assertTrue(q.is_empty())
def test_queue_003(self):
q = Queue()
self.assertTrue(q.is_empty())
with self.assertRaises(QueueIsEmptyException):
self.assertEqual(q.dequeue(), 'A')
def test_enqueue(self):
queue = Queue()
queue.enqueue(1)
queue.enqueue(2)
queue.enqueue(3)
self.assertEqual(queue.values, [1, 2, 3])
