/*

 * 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.

 */

import java.awt.*;

import java.awt.event.AWTEventListener;

import java.awt.event.InputEvent;

import java.awt.event.KeyEvent;

import java.awt.event.MouseEvent;

/*

 * @test

 * @bug 8046495

 * @summary Verifies that mouse/key events has always increasing 'when' timestamps

 * @author Anton Nashatyrev

 * @run main EventWhenTest

 */

public class EventWhenTest {

    private static volatile int eventsCount = 0;

    private static volatile boolean failed = false;

    static {

        Toolkit.getDefaultToolkit().addAWTEventListener(new AWTEventListener() {

            long lastWhen = 0;

            @Override

            public void eventDispatched(AWTEvent event) {

                long curWhen;

                if (event instanceof KeyEvent) {

                    curWhen = ((KeyEvent) event).getWhen();

                } else if (event instanceof MouseEvent) {

                    curWhen = ((MouseEvent) event).getWhen();

                } else {

                    return;

                }

                eventsCount++;

                if (curWhen < lastWhen) {

                    System.err.println("FAILED: " + curWhen + " < " + lastWhen +

                        " for " + event);

                    failed = true;

                } else {

                    lastWhen = curWhen;

                }

            }

        }, AWTEvent.KEY_EVENT_MASK | AWTEvent.MOUSE_EVENT_MASK);

    }

    public static void main(String[] args) throws Exception {

        Frame frame = new Frame();

        try {

            Button b = new Button("Button");

            frame.setBounds(300, 300, 300, 300);

            frame.add(b);

            frame.setVisible(true);

            Robot robot = new Robot();

            robot.waitForIdle();

            robot.mouseMove((int)frame.getLocationOnScreen().getX() + 150,

                    (int)frame.getLocationOnScreen().getY() + 150);

            eventsCount = 0;

            System.out.println("Clicking mouse...");

            for (int i = 0; i < 300 && !failed; i++) {

                robot.mousePress(InputEvent.BUTTON1_MASK);

                robot.mouseRelease(InputEvent.BUTTON1_MASK);

                Thread.sleep(10);

                b.setLabel("Click: " + i);

            }

            if (eventsCount == 0) {

                throw new RuntimeException("No events were received");

            }

            if (failed) {

                throw new RuntimeException("Test failed.");

            }

            System.out.println("Clicking mouse done: " + eventsCount + " events.");

            b.requestFocusInWindow();

            robot.waitForIdle();

            eventsCount = 0;

            System.out.println("Typing a key...");

            for (int i = 0; i < 300 && !failed; i++) {

                robot.keyPress(KeyEvent.VK_A);

                robot.keyRelease(KeyEvent.VK_A);

                Thread.sleep(10);

                b.setLabel("Type: " + i);

            }

            System.out.println("Key typing done: " + eventsCount + " events.");

            if (eventsCount == 0) {

                throw new RuntimeException("No events were received");

            }

            if (failed) {

                throw new RuntimeException("Test failed.");

            }

            System.out.println("Success!");

        } finally {

            frame.dispose();

        }

    }

}