Python AVLTree.setdefault示例

示例#1

 def test_adds_new_member(self):
     a = AVLTree()
     a.setdefault(1, 'a')
     self.assertEqual(a[1], 'a')

示例#2

 def test_does_not_add_member(self):
     a = AVLTree({1: 'z'})
     a.setdefault(1, 'a')
     self.assertEqual(a[1], 'z')
     self.assertEqual(len(a), 1)