TestEquals.java 文件源码

public static void main(String[] args) {
    TestEquals one = new TestEquals(1);
    TestEquals two = new TestEquals(2);

    Object source = TestEquals.class;
    PropertyChangeSupport pcs = new PropertyChangeSupport(source);
    pcs.addPropertyChangeListener(PROPERTY, one);
    pcs.addPropertyChangeListener(PROPERTY, two);

    PropertyChangeEvent event = new PropertyChangeEvent(source, PROPERTY, one, two);
    pcs.firePropertyChange(event);
    test(one, two, 1); // only one check
    pcs.firePropertyChange(PROPERTY, one, two);
    test(one, two, 2); // because it invokes firePropertyChange(PropertyChangeEvent)
    pcs.fireIndexedPropertyChange(PROPERTY, 1, one, two);
    test(one, two, 2); // because it invokes firePropertyChange(PropertyChangeEvent)
}