def test_extract_max(self):
     heap = MaxHeap()
     heap.set_heap([16,14,10,8,7,9,3,2,4,1])
     max_elem = heap.extract_max()
     self.assertEqual(max_elem, 16)
     self.assertEqual(heap.get_heap(), [14,8,10,4,7,9,3,2,1])      
 def test_extract_max(self):
     heap = MaxHeap()
     heap.set_heap([16, 14, 10, 8, 7, 9, 3, 2, 4, 1])
     max_elem = heap.extract_max()
     self.assertEqual(max_elem, 16)
     self.assertEqual(heap.get_heap(), [14, 8, 10, 4, 7, 9, 3, 2, 1])