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