def test_hastraits_deepcopy(self):
# Regression test for enthought/traits#2 and enthought/traits#16
from copy import deepcopy
a = HasTraits()
a.add_trait("foo", Int)
a.foo = 1
with self.assertRaises(TraitError):
a.foo = "a"
copied_a = deepcopy(a)
with self.assertRaises(TraitError):
copied_a.foo = "a"
def test_hastraits_pickle(self):
# Regression test for enthought/traits#2 and enthought/traits#16
from pickle import dumps, loads
a = HasTraits()
a.add_trait("foo", Int)
a.foo = 1
with self.assertRaises(TraitError):
a.foo = "a"
pickled_a = dumps(a)
unpickled_a = loads(pickled_a)
with self.assertRaises(TraitError):
unpickled_a.foo = "a"
