public final Logger getLogger(final Class<?> clazz) {
        return getLogger(clazz.getName());
    }
@Test
    public void testMultiLevel() {
        Logger wxyz = lc.getLogger("w.x.y.z");
        LoggerTestHelper.assertNameEquals(wxyz, "w.x.y.z");
        LoggerTestHelper.assertLevels(null, wxyz, Level.DEBUG);

        Logger wx = lc.getLogger("w.x");
        wx.setLevel(Level.INFO);
        LoggerTestHelper.assertNameEquals(wx, "w.x");
        LoggerTestHelper.assertLevels(Level.INFO, wx, Level.INFO);
        LoggerTestHelper.assertLevels(null, lc.getLogger("w.x.y"), Level.INFO);
        LoggerTestHelper.assertLevels(null, wxyz, Level.INFO);
    }