def testContains_01(self):
        p1 = makeTDInstance()
        p1.a.b = 123
        
        self.assert_('a' in p1)
        self.assert_('a.b' in p1)
        self.assert_('b' not in p1)
        self.assert_('b' in p1.a)
dataset/ETHPy150Open hoytak/treedict/tests/test_retrieval.py/TestRetrieval.testContains_01/original