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 * Copyright (c) 2018, 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.

 *

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import java.awt.Frame;

import java.awt.GraphicsDevice;

import java.awt.GraphicsEnvironment;

import java.awt.Point;

import java.awt.Rectangle;

import java.awt.Robot;

/**

 * @test

 * @key headful

 * @bug 8201364

 * @summary Component.getLocation() should returns correct location if

 *          Component.setBounds() was ignored by the OS

 */

public final class LocationAtScreenCorner {

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

        Robot robot = new Robot();

        Frame frame = new Frame();

        frame.setSize(200, 200);

        frame.setLocationRelativeTo(null);

        frame.setVisible(true);

        robot.waitForIdle();

        GraphicsEnvironment lge =

                GraphicsEnvironment.getLocalGraphicsEnvironment();

        GraphicsDevice[] devices = lge.getScreenDevices();

        // The Component.setBounds() for corners of the screen can be ignored by

        // OS because of menubar, taskbar, dock etc. But in this case

        // getLocation() and getLocationOnScreen() should always return the same

        // coordinates.

        for (GraphicsDevice device : devices) {

            Rectangle bounds = device.getDefaultConfiguration().getBounds();

            test(robot, frame, bounds.x, bounds.y);

            test(robot, frame, bounds.width, bounds.y);

            test(robot, frame, bounds.x, bounds.height);

            test(robot, frame, bounds.width, bounds.height);

        }

        frame.dispose();

    }

    private static void test(Robot robot, Frame frame, int x, int y) {

        for (int i = 0; i < 10; ++i) {

            // intentionally set the same coordinates a few times

            frame.setLocation(x, y); // x and y are cached in the frame

            int attempt = 0;

            while (true) {

                robot.waitForIdle();

                // location was cached in the frame and should be updated to the

                // real location by the native callback some time later.

                // this is why we make a few attempts

                Point location = frame.getLocation();

                // locationOnScreen is fetched from the peer

                Point locationOnScreen = frame.getLocationOnScreen();

                if (location.equals(locationOnScreen)) {

                    break;

                }

                if (attempt++ > 10) {

                    frame.dispose();

                    System.err.println("Location: " + location);

                    System.err.println("Location on screen: " + locationOnScreen);

                    throw new RuntimeException("Wrong location");

                }

            }

        }

    }

}