def test_multipop_maxheap():
maxheap = BinaryHeap([7, 9, 18, 1, 38, 5.4, 6, 200], minheap=False)
length = len(maxheap)
maxheap.pop()
maxheap.pop()
maxheap.push(400)
maxheap.pop()
maxheap.pop()
assert maxheap.pop() == 9
assert len(maxheap) == length - 4
def test_multipop_minheap():
minheap = BinaryHeap([7, 9, 18, 1, 38, 5.4, 6, 200])
length = len(minheap)
minheap.pop()
minheap.pop()
minheap.push(0)
minheap.pop()
minheap.pop()
assert minheap.pop() == 7
assert len(minheap) == length - 4
def test_pop_minheap():
minheap = BinaryHeap([7, 9, 18, 1, 38, 5.4, 6])
minheap.push(0)
length = len(minheap)
assert minheap.pop() == 0
assert len(minheap) == length - 1
def test_pop_maxheap():
maxheap = BinaryHeap([7, 9, 18, 1, 38, 5.4, 6], minheap=False)
maxheap.push(400)
length = len(maxheap)
assert maxheap.pop() == 400
assert len(maxheap) == length - 1
def test_valid_instantiation_max(input, output):
"""Test instantiation by creating and doing one pop"""
heap_under_test = BinaryHeap(input, minheap=False)
assert is_maxheap_sorted(heap_under_test)
assert heap_under_test.pop() == output
