Function test_warn_notintervals

lib/matplotlib/tests/test_dates.py:1252–1260

()

def test_warn_notintervals():
    dates = np.arange('2001-01-10', '2001-03-04', dtype='datetime64[D]')
    locator = mdates.AutoDateLocator(interval_multiples=False)
    locator.intervald[3] = [2]
    locator.create_dummy_axis()
    locator.axis.set_view_interval(mdates.date2num(dates[0]),
                                   mdates.date2num(dates[-1]))
    with pytest.warns(UserWarning, match="AutoDateLocator was unable"):
        locs = locator()


def test_change_converter():