1 /*
   2  * Copyright (c) 2011, 2014, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 /*
  27  * @test
  28  * @key headful
  29  * @bug 6514582
  30  * @summary SubMenu of a JMenu with no items paints a single pixel tiny menu.
  31  * @author Alexander Potochkin
  32  * @run main bug6514582
  33  */
  34 
  35 import javax.swing.*;
  36 import java.awt.*;
  37 
  38 public class bug6514582 {
  39     private static JPopupMenu popup;
  40 
  41     public static void main(String ...args) throws Exception {
  42         Robot robot = new Robot();
  43 
  44         SwingUtilities.invokeAndWait(new Runnable() {
  45             public void run() {
  46                 popup = new JPopupMenu();
  47                 popup.add(new JMenuItem("item"));
  48                 popup.setVisible(true);
  49 
  50             }
  51         });
  52 
  53         robot.waitForIdle();
  54 
  55         if (!popup.isShowing()) {
  56             throw new RuntimeException("Where is my popup ?");
  57         }
  58 
  59         SwingUtilities.invokeAndWait(new Runnable() {
  60             public void run() {
  61                 popup.setVisible(false);
  62                 popup.removeAll();
  63                 popup.setVisible(true);
  64             }
  65         });
  66 
  67         robot.waitForIdle();
  68 
  69         if (popup.isShowing()) {
  70             throw new RuntimeException("Empty popup is shown");
  71         }
  72 
  73         popup.setVisible(false);
  74     }
  75 }