def test_popitem(self):
        k, v = self.f.popitem()
        self.assert_(k < self.d)
        self.assert_(v in self.d.values())
        self.assert_(k not in self.f)
        self.assertEqual(len(self.d)-1, len(self.f))
dataset/ETHPy150Open babble/babble/include/jython/Lib/test/test_bsddb.py/TestBSDDB.test_popitem/operator `in` -> `<`