def test_weakkeydict_popitem(key1=C(), key2=C(), val1="v1", val2="v2"):
d = WeakKeyIDDictionary()
d[key1] = val1
d[key2] = val2
assert len(d) == 2
k1, v1 = d.popitem()
assert len(d) == 1
assert k1 in (key1, key2) and v1 is (val1 if k1 is key1 else val2)
k2, v2 = d.popitem()
assert len(d) == 0
assert k2 is (key2 if k1 is key1 else key1) and v2 is (val1 if k2 is key1 else val2)
def test_weakkeydict_popitem(key1=C(), key2=C(), value1="v1", value2="v2"):
d = WeakKeyIDDictionary()
d[key1] = value1
d[key2] = value2
assert len(d) == 2
k, v = d.popitem()
assert len(d) == 1
if k is key1:
assert v is value1
else:
assert v is value2
k, v = d.popitem()
assert len(d) == 0
if k is key1:
assert v is value1
else:
assert v is value2
def test_weakkeydict_popitem(key1=C(), key2=C(), value1="v1", value2="v2"):
d = WeakKeyIDDictionary()
d[key1] = value1
d[key2] = value2
assert len(d) == 2
k, v = d.popitem()
assert len(d) == 1
if k is key1:
assert v is value1
else:
assert v is value2
k, v = d.popitem()
assert len(d) == 0
if k is key1:
assert v is value1
else:
assert v is value2