1 /* 2 * Copyright (c) 2017, 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 8155197 26 * @summary Tests whether the value of mostRecentFocusOwner for a window is correct, if 27 * another window is displayed during focus transition 28 * @library ../../regtesthelpers 29 * @build Util 30 * @run main FocusTransitionTest 31 */ 32 33 import java.awt.Button; 34 import java.awt.Component; 35 import java.awt.Dialog; 36 import java.awt.FlowLayout; 37 import java.awt.Frame; 38 import java.awt.Robot; 39 import java.awt.TextField; 40 import java.awt.event.ActionEvent; 41 import java.awt.event.ActionListener; 42 43 import test.java.awt.regtesthelpers.Util; 44 45 public class FocusTransitionTest { 46 private static Frame frame; 47 private static TextField textField1; 48 private static Button button; 49 50 public static void main(String[] args) throws InterruptedException { 51 try { 52 Robot robot = Util.createRobot(); 53 54 createAndShowGUI(); 55 Util.waitForIdle(robot); 56 57 for (int i = 0; i < 100; i++) { 58 Util.clickOnComp(button, robot); 59 60 synchronized (frame) { 61 frame.wait(); 62 } 63 Util.waitForIdle(robot); 64 65 Component focusOwner = frame.getMostRecentFocusOwner(); 66 if (focusOwner != textField1) { 67 throw new RuntimeException("Test FAILED: incorrect focus owner!"); 68 } 69 } 70 } finally { 71 if (frame != null) { 72 frame.dispose(); 73 } 74 } 75 } 76 77 private static void createAndShowGUI() { 78 frame = new Frame("Test Frame"); 79 80 textField1 = new TextField(5); 81 82 button = new Button("Go"); 83 button.addActionListener(new ActionListener() { 84 @Override 85 public void actionPerformed(ActionEvent e) { 86 textField1.requestFocusInWindow(); 87 startUpdate(); 88 } 89 }); 90 91 frame.setLayout(new FlowLayout()); 92 frame.setSize(400, 200); 93 frame.add(textField1); 94 frame.add(new TextField(5)); 95 frame.add(new TextField(5)); 96 frame.add(button); 97 frame.setVisible(true); 98 } 99 100 private static void startUpdate() { 101 UpdateThread updateThread = new UpdateThread(frame, 10); 102 updateThread.start(); 103 } 104 } 105 106 class UpdateThread extends Thread { 107 private final Frame frame; 108 private final int delay; 109 110 UpdateThread(Frame frame, int delay) { 111 this.frame = frame; 112 this.delay = delay; 113 } 114 115 @Override 116 public void run() { 117 Dialog dialog = new Dialog(frame); 118 dialog.setSize(300, 100); 119 dialog.setVisible(true); 120 121 try { 122 sleep(delay); 123 } catch (InterruptedException ie) { 124 ie.printStackTrace(); 125 } 126 127 dialog.setVisible(false); 128 dialog.dispose(); 129 130 synchronized (frame) { 131 frame.notify(); 132 } 133 } 134 } 135