def test_parent_six(self):
max_heap = MaxHeap([1])
parent = max_heap.parent(6)
self.assertEquals(2,parent)
def test_parent_three(self):
max_heap = MaxHeap([1])
parent = max_heap.parent(3)
self.assertEquals(1,parent)
def test_parent_five(self):
max_heap = MaxHeap([1])
parent = max_heap.parent(5)
self.assertEquals(2,parent)
def test_parent_two(self):
max_heap = MaxHeap([1])
parent = max_heap.parent(2)
self.assertEquals(0,parent)
