def test_increase_key_exception(self):
max_heap = MaxHeap([1, 2, 3])
max_heap.build_max_heap()
with pytest.raises(Exception):
assert max_heap.increase_key(
2, 0) # 0 < 3, hence will raise exception
def test_increase_key(self):
max_heap = MaxHeap(TestMaxHeap.storage)
max_heap.build_max_heap()
max_heap.increase_key(3, 17) # increase the value at index 3 to 12
assert max_heap.maximum() == 17