1 /*
   2  * Copyright (c) 2016, 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 6827800
  28  * @summary Test to check hidden default button does not respond to 'Enter' key
  29  * @run main HiddenDefaultButtonTest
  30  */
  31 
  32 import java.awt.AWTException;
  33 import java.awt.Robot;
  34 import java.awt.event.ActionListener;
  35 import java.awt.event.ActionEvent;
  36 import java.awt.event.KeyEvent;
  37 import javax.swing.JButton;
  38 import javax.swing.JFrame;
  39 import javax.swing.SwingUtilities;
  40 
  41 public class HiddenDefaultButtonTest {
  42 
  43     private static int ButtonClickCount = 0;
  44     private static JFrame frame;
  45 
  46     private static void createGUI() {
  47         frame = new JFrame();
  48         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  49 
  50         JButton button = new JButton("Default button");
  51         button.setDefaultCapable(true);
  52         button.addActionListener(new ActionListener() {
  53             public void actionPerformed(ActionEvent e) {
  54                 ButtonClickCount++;
  55             }
  56         });
  57 
  58         frame.add(button);
  59         button.setVisible(false);
  60 
  61         frame.getRootPane().setDefaultButton(button);
  62 
  63         frame.setSize(200, 200);
  64         frame.setLocationRelativeTo(null);
  65         frame.setVisible(true);
  66     }
  67 
  68     private static void disposeTestUI() throws Exception {
  69         SwingUtilities.invokeAndWait(() -> {
  70             frame.dispose();
  71         });
  72     }
  73 
  74     private static void test() throws Exception {
  75         // Create Robot
  76         Robot testRobot = new Robot();
  77 
  78         testRobot.waitForIdle();
  79 
  80         testRobot.keyPress(KeyEvent.VK_ENTER);
  81         testRobot.delay(20);
  82         testRobot.keyRelease(KeyEvent.VK_ENTER);
  83         testRobot.delay(200);
  84         testRobot.keyPress(KeyEvent.VK_ENTER);
  85         testRobot.delay(20);
  86         testRobot.keyRelease(KeyEvent.VK_ENTER);
  87 
  88         testRobot.waitForIdle();
  89 
  90         if (ButtonClickCount != 0) {
  91             disposeTestUI();
  92             throw new RuntimeException("DefaultButton is pressed even if it is invisible");
  93         }
  94 
  95     }
  96 
  97     public static void main(String[] args) throws Exception {
  98         // create UI
  99         SwingUtilities.invokeAndWait(new Runnable() {
 100             public void run() {
 101                 HiddenDefaultButtonTest.createGUI();
 102             }
 103         });
 104 
 105         // Test default button press by pressing EnterKey using Robot
 106         test();
 107 
 108         // dispose UI
 109         HiddenDefaultButtonTest.disposeTestUI();
 110     }
 111 }
 112