def test_in(self):
from _collections import identity_dict
d = identity_dict()
d[None] = 1
assert None in d
assert [] not in d
def test_in(self):
from _collections import identity_dict
d = identity_dict()
d[None] = 1
assert None in d
assert [] not in d
def test_keys(self):
from _collections import identity_dict
d = identity_dict()
d[[]] = 1
d[[]] = 2
d[[]] = 3
assert d.keys() == [[], [], []]
assert sorted(d.values()) == [1, 2, 3]
def test_get(self):
from _collections import identity_dict
d = identity_dict()
d[None] = 1
assert d.get(None, 42) == 1
assert d.get(None) == 1
assert d.get(1) is None
assert d.get(1, 42) == 42
def test_keys(self):
from _collections import identity_dict
d = identity_dict()
d[[]] = 1
d[[]] = 2
d[[]] = 3
assert d.keys() == [[], [], []]
assert sorted(d.values()) == [1, 2, 3]
def test_get(self):
from _collections import identity_dict
d = identity_dict()
d[None] = 1
assert d.get(None, 42) == 1
assert d.get(None) == 1
assert d.get(1) is None
assert d.get(1, 42) == 42
def test_numbers(self):
from _collections import identity_dict
d = identity_dict()
d[0] = 1
d[0.0] = 2
d[long(0)] = 3
assert d
assert len(d) == 3
d.clear()
assert not d
def test_numbers(self):
from _collections import identity_dict
d = identity_dict()
d[0] = 1
d[0.0] = 2
d[long(0)] = 3
assert d
assert len(d) == 3
d.clear()
assert not d
def test_unhashable(self):
from _collections import identity_dict
d = identity_dict()
d[[]] = 1
d[[]] = 2
a = []
d[a] = 3
assert len(d) == 3
d[a] = 4
assert len(d) == 3
assert d[a] == 4
raises(KeyError, d.__getitem__, [])
def test_unhashable(self):
from _collections import identity_dict
d = identity_dict()
d[[]] = 1
d[[]] = 2
a = []
d[a] = 3
assert len(d) == 3
d[a] = 4
assert len(d) == 3
assert d[a] == 4
raises(KeyError, d.__getitem__, [])
