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/*
* Copyright (c) 1999, 2025, 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 4495473
* @summary Tests that when you press key on canvas-type heavyweight only one key event arrives
* @key headful
* @run main TestDoubleKeyEvent
*/
import java.awt.AWTException;
import java.awt.BorderLayout;
import java.awt.EventQueue;
import java.awt.FlowLayout;
import java.awt.Robot;
import java.awt.event.KeyEvent;
import java.lang.reflect.InvocationTargetException;
import javax.swing.JFrame;
import javax.swing.JWindow;
import javax.swing.JTextField;
public class TestDoubleKeyEvent extends JFrame {
JWindow w;
JTextField tf;
public void initUI() {
setLayout(new BorderLayout());
setTitle("Double Key Event Test");
setLocationRelativeTo(null);
setVisible(true);
w = new JWindow(this);
w.setLayout(new FlowLayout());
tf = new JTextField(20);
w.add(tf);
w.pack();
w.setLocationRelativeTo(null);
w.setVisible(true);
tf.requestFocus();
}
public void testAndClean() {
String str = tf.getText();
w.dispose();
dispose();
if (str.length() != str.chars().distinct().count()) {
throw new RuntimeException("Duplicate characters found!");
}
}
public static void main(String[] args) throws InterruptedException,
InvocationTargetException, AWTException {
TestDoubleKeyEvent test = new TestDoubleKeyEvent();
EventQueue.invokeAndWait(test::initUI);
Robot robot = new Robot();
robot.setAutoDelay(50);
robot.waitForIdle();
robot.delay(1000);
for (int i = 0; i < 15; i++) {
robot.keyPress(KeyEvent.VK_A + i);
robot.keyRelease(KeyEvent.VK_A + i);
robot.waitForIdle();
}
robot.delay(1000);
EventQueue.invokeAndWait(test::testAndClean);
}
}
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