Python Queue.is_empty示例

示例#1

文件： test_queue.py 项目： PyDrummer/data-structures-and-algorithms

def test_exhausted():
    #  TODO TODO is empty should return true after dequeueing all previously queued items
    q = Queue()
    q.enqueue("apples")
    q.enqueue("bananas")
    q.enqueue("grapes")
    q.dequeue()
    q.dequeue()
    q.dequeue()
    actual = q.is_empty()
    expected = True
    assert actual == expected

示例#2

文件： test_stack_and_queue.py 项目： abdalrahmansamara/data-structures-and-algorithms

def test_is_empty(queue_vals):
    q = Queue()
    assert q.is_empty() == True
    assert queue_vals.is_empty() == False

示例#3

文件： test_queue.py 项目： PyDrummer/data-structures-and-algorithms

def test_is_empty():
    #  TODO is empty should return true if no items were enqueued
    q = Queue()
    actual = q.is_empty()
    expected = True
    assert actual == expected