NbClipboardNativeTest.java 文件源码

public void testOwnershipLostEvent() throws Exception {
    final int[] holder = new int[] { 0 };
    ExTransferable transferable = ExTransferable.create (new StringSelection("A"));

    // listen on ownershipLost
    transferable.addTransferListener (new TransferListener () {
        public void accepted (int action) {}
        public void rejected () {}
        public void ownershipLost () { holder[0]++; }
    });

    Clipboard c = Lookup.getDefault().lookup(Clipboard.class);

    c.setContents(transferable, null);

    assertTrue("Still has ownership", holder[0] == 0);

    c.setContents(new StringSelection("B"), null);

    assertTrue("Exactly one ownershipLost event have happened.", holder[0] == 1);
}