def test_valid_heaps():
heap = BinaryHeap()
heap._list = [0, 1, 2, 3]
heap._size = 3
is_valid_heap(heap)
heap2 = BinaryHeap()
heap2._list = [0, 1, 2, 3, 4]
heap2._size = 4
is_valid_heap(heap2)
def test_perc_up():
heap = BinaryHeap()
heap._list = [0, 100, 101, 1]
heap._size = 3
heap._perc_up(3)
is_valid_heap(heap)
def test_perc_down():
heap = BinaryHeap()
heap._list = [0, 1, 100, 2]
heap._size = 3
heap._perc_down(1)
is_valid_heap(heap)
