1 /*

     2  * Copyright (c) 2018, 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 import java.awt.Frame;

    25 import java.awt.GraphicsDevice;

    26 import java.awt.GraphicsEnvironment;

    27 import java.awt.Point;

    28 import java.awt.Rectangle;

    29 import java.awt.Robot;

    30 

    31 /**

    32  * @test

    33  * @key headful

    34  * @bug 8201364

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

    36  *          Component.setBounds() was ignored by the OS

    37  */

    38 public final class LocationAtScreenCorner {

    39 

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

    41         Robot robot = new Robot();

    42         Frame frame = new Frame();

    43         frame.setSize(200, 200);

    44         frame.setLocationRelativeTo(null);

    45         frame.setVisible(true);

    46         robot.waitForIdle();

    47 

    48         GraphicsEnvironment lge =

    49                 GraphicsEnvironment.getLocalGraphicsEnvironment();

    50         GraphicsDevice[] devices = lge.getScreenDevices();

    51 

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

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

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

    55         // coordinates.

    56         for (GraphicsDevice device : devices) {

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

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

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

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

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

    62         }

    63         frame.dispose();

    64     }

    65 

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

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

    68             // intentionally set the same coordinates a few times

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

    70             int attempt = 0;

    71             while (true) {

    72                 robot.waitForIdle();

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

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

    75                 // this is why we make a few attempts

    76                 Point location = frame.getLocation();

    77                 // locationOnScreen is fetched from the peer

    78                 Point locationOnScreen = frame.getLocationOnScreen();

    79                 if (location.equals(locationOnScreen)) {

    80                     break;

    81                 }

    82                 if (attempt++ > 10) {

    83                     frame.dispose();

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

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

    86                     throw new RuntimeException("Wrong location");

    87                 }

    88             }

    89         }

    90     }

    91 }