Function test_make_keyword_only

lib/matplotlib/tests/test_api.py:148–158

()

def test_make_keyword_only() -> None:
    @_api.make_keyword_only("3.0", "arg")
    def func(pre: Any, arg: Any, post: Any = None) -> None:
        pass

    func(1, arg=2)  # Check that no warning is emitted.

    with pytest.warns(mpl.MatplotlibDeprecationWarning):
        func(1, 2)
    with pytest.warns(mpl.MatplotlibDeprecationWarning):
        func(1, 2, 3)


def test_deprecation_alternative() -> None: