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 }