def test_weakkeydict_delitem():
d = WeakKeyIDDictionary()
o1 = C()
o2 = C()
d[o1] = 'something'
d[o2] = 'something'
assert len(d) == 2
del d[o1]
assert len(d) == 1
assert list(d.keys()) == [o2]
def test_weakkeydict_delitem():
d = WeakKeyIDDictionary()
o1 = C()
o2 = C()
d[o1] = 'something'
d[o2] = 'something'
assert len(d) == 2
del d[o1]
assert len(d) == 1
assert list(d.keys()) == [o2]
def test_weakkeydict_update(in_d={C(): 1, C(): 2, C(): 3}):
"""This exercises d.update(), len(d), d.keys(), in d, d.get(), d[]."""
d = WeakKeyIDDictionary()
d.update(in_d)
assert len(d) == len(in_d)
for k in d.keys():
assert k in in_d, "mysterious new key appeared in weak dict"
v = in_d.get(k)
assert v is d[k]
assert v is d.get(k)
for k in in_d.keys():
assert k in d, "original key disappeared in weak dict"
v = in_d[k]
assert v is d[k]
assert v is d.get(k)
def test_weakkeydict_update(in_d={C(): 1, C(): 2, C(): 3}):
"""This exercises d.update(), len(d), d.keys(), in d, d.get(), d[]."""
d = WeakKeyIDDictionary()
d.update(in_d)
assert len(d) == len(in_d)
for k in d.keys():
assert k in in_d, "mysterious new key appeared in weak dict"
v = in_d.get(k)
assert v is d[k]
assert v is d.get(k)
for k in in_d.keys():
assert k in d, "original key disappeared in weak dict"
v = in_d[k]
assert v is d[k]
assert v is d.get(k)
