/* * Copyright (c) 2001, 2024, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @bug 4464723 * @summary Tests simple KeyAdapter / KeyListener on an empty, focusable window * @key headful * @run main EmptyWindowKeyTest */ import java.awt.AWTEvent; import java.awt.Frame; import java.awt.event.KeyAdapter; import java.awt.event.KeyEvent; import java.awt.Robot; public class EmptyWindowKeyTest { static volatile boolean passed1, passed2; public static void main(String[] args) throws Exception { Robot robot = new Robot(); robot.setAutoDelay(100); MainFrame mainFrame = new MainFrame(); mainFrame.setSize(50,50); mainFrame.addKeyListener(new KeyboardTracker()); robot.waitForIdle(); robot.delay(1000); robot.keyPress(KeyEvent.VK_A); robot.keyRelease(KeyEvent.VK_A); robot.waitForIdle(); robot.delay(1000); if (!passed1 || !passed2) { throw new RuntimeException("KeyPress/keyRelease not seen," + "passed1 " + passed1 + " passed2 " + passed2); } } static public class KeyboardTracker extends KeyAdapter { public KeyboardTracker() { } public void keyTyped(KeyEvent e) {} public void keyPressed(KeyEvent e) { if (e.getKeyText(e.getKeyCode()).equals("A")) { passed1 = true; } } public void keyReleased(KeyEvent e) { if (e.getKeyText(e.getKeyCode()).equals("A")) { passed2 = true; } } } static public class MainFrame extends Frame { public MainFrame() { super(); enableEvents(AWTEvent.KEY_EVENT_MASK); setVisible(true); } } }