Python DoubleLinkedList.count 예제들

예제 #1

def test_push():
    colors = DoubleLinkedList()
    colors.push("Pthalo Blue")
    colors._invariant()
    assert colors.count() == 1
    colors.push("Ultramarine Blue")
    assert colors.count() == 2
    colors._invariant()

예제 #2

def test_shift():
    colors = DoubleLinkedList()
    colors.shift("Cadmium Orange")
    assert colors.count() == 1

    colors.shift("Carbazole Violet")
    assert colors.count() == 2

    assert colors.pop() == "Cadmium Orange"
    assert colors.count() == 1
    assert colors.pop() == "Carbazole Violet"
    assert colors.count() == 0