1 /*
   2  * Copyright (c) 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.
   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 8048506
  28  * @summary Tests that popup with null-owner does not throw NPE
  29  * @author Dmitry Markov
  30  */
  31 
  32 import javax.swing.*;
  33 import javax.swing.plaf.metal.MetalLookAndFeel;
  34 
  35 public class bug8048506 {
  36 
  37     public static void main(String[] args) throws Exception {
  38         UIManager.setLookAndFeel(new MetalLookAndFeel());
  39 
  40         SwingUtilities.invokeAndWait(new Runnable() {
  41             @Override
  42             public void run() {
  43                 createAndShowGUI();
  44             }
  45         });
  46         System.out.println("The test passed");
  47     }
  48 
  49     private static void createAndShowGUI() {
  50         JFrame frame = new JFrame("bug8048506");
  51         frame.setSize(400, 400);
  52         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  53         frame.setVisible(true);
  54 
  55         PopupFactory factory = PopupFactory.getSharedInstance();
  56 
  57         // Create and show popup with owner
  58         Popup popup1 = factory.getPopup(frame, new JLabel("Popup with owner"), 100, 100);
  59         popup1.show();
  60 
  61         //Create and show popup without owner
  62         Popup popup2 = factory.getPopup(null, new JLabel("Popup without owner"), 200, 200);
  63         popup2.show();
  64     }
  65 }
  66