PropertyChangeSupportTest.java 文件源码

public void testFireIndexedPropertyChange() {
    final Object src = new Object();
    PropertyChangeSupport pcs = new PropertyChangeSupport(src);
    pcs.addPropertyChangeListener(new PropertyChangeListener() {
        public void propertyChange(PropertyChangeEvent evt) {
            assertEquals(src, evt.getSource());
            assertEquals(0, ((IndexedPropertyChangeEvent)evt).getIndex());
            assertEquals("one", evt.getOldValue());
            assertEquals("two", evt.getNewValue());
        }
    });

    pcs.fireIndexedPropertyChange("foo", 0, "one", "two");
}