JTextComponentTest.java 文件源码

public void testAddInputMethodListener() {
    SimpleInputMethodListener listener1 = new SimpleInputMethodListener("1");
    SimpleInputMethodListener listener2 = new SimpleInputMethodListener("2");
    SimpleInputMethodListener listener3 = new SimpleInputMethodListener("3");
    jtc.addInputMethodListener(listener1);
    jtc.addInputMethodListener(listener2);
    jtc.addInputMethodListener(listener3);
    InputMethodListener listeners[] = jtc.getInputMethodListeners();
    assertEquals(listener1, listeners[0]);
    assertEquals(listener2, listeners[1]);
    assertEquals(listener3, listeners[2]);
    assertEquals(3, listeners.length);
}