public void testGetSetOutlineStroke() {
        // we use ValueMarker for the tests, because we need a concrete 
        // subclass...
        ValueMarker m = new ValueMarker(1.1);
        m.addChangeListener(this);
        this.lastEvent = null;
        assertEquals(new BasicStroke(0.5f), m.getOutlineStroke());
        m.setOutlineStroke(new BasicStroke(1.1f));
        assertEquals(new BasicStroke(1.1f), m.getOutlineStroke());
        assertEquals(m, this.lastEvent.getMarker());
        
        // check null argument...
        m.setOutlineStroke(null);
        assertEquals(null, m.getOutlineStroke());