def test_heap_color():
h = heap.Heap()
assert len(h.color) == 1
def test_heap_size():
h = heap.Heap()
assert h.size == 1
def test_heap_cost():
h = heap.Heap()
assert len(h.cost) == 1
def test_heap_remove():
h = heap.Heap()
status = h.remove()
assert status == False
def test_heap_policy():
h = heap.Heap()
assert h.policy == 'min'
def test_heap_left_son():
h = heap.Heap(size=10)
left_son = h.left_son(5)
assert left_son == 11
def test_heap_right_son():
h = heap.Heap(size=10)
right_son = h.right_son(5)
assert right_son == 12
def test_heap_dad():
h = heap.Heap(size=10)
dad = h.dad(5)
assert dad == 2
def test_heap_is_empty():
h = heap.Heap()
status = h.is_empty()
assert status == True
def test_heap_last():
h = heap.Heap()
assert h.last == -1
def test_heap_pos():
h = heap.Heap()
assert len(h.pos) == 1
def test_heap_p():
h = heap.Heap()
assert len(h.p) == 1
