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class AppTestMapPickle:
spaceconfig = dict(usemodules=['struct'])
def test_map_pickle(self):
"""Pickle a map with one sequence."""
import pickle
def pickle_unpickle(obj):
d = pickle.dumps(obj)
return pickle.loads(d)
m1 = map(ord, "Is this the real life?")
m1_ = pickle_unpickle(m1)
assert list(m1) == list(m1_)
def test_map2_pickle(self):
"""Pickle a map with multiple sequences."""
import pickle
def pickle_unpickle(obj):
d = pickle.dumps(obj)
return pickle.loads(d)
m1 = map(max, "abc", "def")
m1_ = pickle_unpickle(m1)
assert list(m1) == list(m1_)
def test_map2_adv_pickle(self):
"""If some iterator was advanced, the pickling preserves it."""
import pickle
def pickle_unpickle(obj):
d = pickle.dumps(obj)
return pickle.loads(d)
s1 = iter("abc")
s2 = iter("defg")
next(s2)
m1 = map(max, s1, s2)
m1_ = pickle_unpickle(m1)
assert list(m1) == list(m1_)
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