1 /*
   2  * Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25   @test
  26   @key headful
  27   @bug 6387275
  28   @summary List: the focus is at the top of the first item, XAWT
  29   @requires os.family == "linux"
  30   @modules java.desktop/sun.awt
  31            java.desktop/java.awt.peer
  32            java.desktop/sun.awt.X11:open
  33   @run main FocusEmptyListTest
  34 */
  35 
  36 import java.awt.*;
  37 import java.lang.reflect.*;
  38 import java.awt.peer.ListPeer;
  39 
  40 import sun.awt.AWTAccessor;
  41 
  42 public class FocusEmptyListTest extends Frame {
  43 
  44     public static void main(final String[] args) {
  45         FocusEmptyListTest app = new FocusEmptyListTest();
  46         app.start();
  47     }
  48 
  49     public void start() {
  50         boolean isXToolkit = Toolkit.getDefaultToolkit()
  51             .getClass().getName().equals("sun.awt.X11.XToolkit");
  52         if (!isXToolkit) {
  53             System.out.println("The test is XAWT-only.");
  54             return;
  55         }
  56 
  57         List list = new List();
  58         Object isIndexDisplayed = null;
  59         setLayout(new FlowLayout());
  60 
  61         getToolkit().addAWTEventListener(System.out::println,
  62             AWTEvent.FOCUS_EVENT_MASK | AWTEvent.WINDOW_FOCUS_EVENT_MASK);
  63 
  64         add(list);
  65         list.add("item1");
  66 
  67         setSize(200, 200);
  68         setUndecorated(true);
  69         setLocationRelativeTo(null);
  70         setVisible(true);
  71         validate();
  72 
  73         list.removeAll();
  74 
  75         try {
  76 
  77             // peer = List.getPeer()
  78             ListPeer peer = AWTAccessor.getComponentAccessor().getPeer(list);
  79             System.out.println("peer = " + peer);
  80             Class peerClass = peer.getClass();
  81             System.out.println("peer's class = " + peerClass);
  82 
  83             // isIndexDisplayed = peer.isIndexDisplayed(-1)
  84             Method isIndexDisplayedM
  85                 = peerClass.getDeclaredMethod("isIndexDisplayed", Integer.TYPE);
  86             System.out.println("method = " + isIndexDisplayedM);
  87             isIndexDisplayedM.setAccessible(true);
  88             isIndexDisplayed = isIndexDisplayedM.invoke(peer, -1);
  89             System.out.println("isIndexDisplayed=" + isIndexDisplayed);
  90 
  91         } catch (Throwable thr) {
  92             throw new RuntimeException("TEST FAILED: " + thr);
  93         }
  94 
  95         if ((Boolean) isIndexDisplayed) {
  96             throw new RuntimeException("TEST FAILED: -1 should be"
  97                 + " invisible index");
  98         }
  99 
 100     }// start()
 101 
 102 }// class AutomaticAppletTest