Function _assert_equal

lib/matplotlib/tests/test_axes.py:4982–4985

(stem_container, expected)

def test_stem_args():
    """Test that stem() correctly identifies x and y values."""
    def _assert_equal(stem_container, expected):
        x, y = map(list, stem_container.markerline.get_data())
        assert x == expected[0]
        assert y == expected[1]

    fig, ax = plt.subplots()