def test_case_insensitive_popitem():
my_dict = CaseInsensitiveDict({"Foo": "Bar", "Baz": "Qux"})
assert my_dict.popitem() == ("baz", "Qux")
assert list(my_dict.keys()) == ["foo"]
def test_case_insensitive_del_item():
my_dict = CaseInsensitiveDict({"Foo": "Bar", "baz": "Qux"})
del my_dict["Foo"]
assert list(my_dict.keys()) == ["baz"]
del my_dict["Baz"]
assert list(my_dict.keys()) == []
def test_case_insensitive_pop():
my_dict = CaseInsensitiveDict({"Foo": "Bar", "baz": "Qux"})
assert my_dict.pop("Foo") == "Bar"
assert my_dict.pop("Baz") == "Qux"
assert list(my_dict.keys()) == []
def test_case_insensitive_constructor():
# Expect it to lower keys on return
my_dict = CaseInsensitiveDict({"Foo": "Bar", "baz": "Qux"})
assert list(my_dict.keys()) == ["foo", "baz"]