def test_multiset_change(counter_type):
ent1 = FeatureCollection()
ent1['bow'] += counter_type(Counter(['big', 'dog']))
ent1.pop('bow')
assert dict(ent1.items()) == dict()
## can pop empty -- fails
#ent1.pop('foo')
## set equal to
test_data = ['big2', 'dog2']
ent1['bow'] = counter_type(Counter(test_data))
assert list(ent1['bow'].values()) == [1,1]
ent1['bow'] += counter_type(Counter(test_data))
assert list(ent1['bow'].values()) == [2,2]
def test_multiset_change(counter_type):
ent1 = FeatureCollection()
ent1["bow"] += counter_type(Counter(["big", "dog"]))
ent1.pop("bow")
assert dict(ent1.items()) == dict()
## can pop empty -- fails
# ent1.pop('foo')
## set equal to
test_data = ["big2", "dog2"]
ent1["bow"] = counter_type(Counter(test_data))
assert list(map(abs, ent1["bow"].values())) == [1, 1]
ent1["bow"] += counter_type(Counter(test_data))
assert list(map(abs, ent1["bow"].values())) == [2, 2]