def test3(self):
L = DictSet(s2d('a123 b324 c5 78'))
M = s2d('a1 c56788')
R = s2l('a 23 b324')
self.assertTrue(isinstance(L.difference(M), DictSet))
self.assertEqual(d2l(L.difference(M)), R)
self.assertEqual(d2l(L), s2l('a123 b234 c5 78'))
self.assertEqual(d2l(M), s2l('a1 c56788'))
def test1(self):
L = DictSet(s2d(''))
M = s2d('a1 c5666788')
R = s2l('')
self.assertTrue(isinstance(L.difference(M), DictSet))
self.assertEqual(d2l(L.difference(M)), R)
self.assertEqual(d2l(L), s2l(''))
self.assertEqual(d2l(M), s2l('a1 c5666788'))
def test2(self):
L = DictSet(s2d('a1 c56788'))
M = s2d('a123 b324 c5 78')
R = s2l(' c 6')
self.assertTrue(isinstance(L.difference(M),DictSet))
self.assertEqual(d2l(L.difference(M)),R)
self.assertEqual(d2l(L),s2l('a1 c5678'))
self.assertEqual(d2l(M),s2l('a123 b324 c5 78'))