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.EventQueue; 25 import java.awt.GraphicsConfiguration; 26 import java.util.Objects; 27 import java.util.concurrent.CountDownLatch; 28 import java.util.concurrent.TimeUnit; 29 30 import javax.swing.JButton; 31 import javax.swing.JFrame; 32 33 /** 34 * @test 35 * @key headful 36 * @bug 8201552 37 * @summary Verifies if graphicsConfiguration property notification is sent 38 * when frame is shown on the screen. 39 * @run main TestSingleScreenGConfigNotify 40 * @run main/othervm -Dsun.java2d.uiScale=2.25 TestSingleScreenGConfigNotify 41 */ 42 public final class TestSingleScreenGConfigNotify { 43 44 private static String name = "graphicsConfiguration"; 45 private static CountDownLatch go = new CountDownLatch(1); 46 private static JFrame frame; 47 private static GraphicsConfiguration after; 48 private static GraphicsConfiguration before; 49 private static JButton button; 50 51 public static void main(final String[] args) throws Exception { 52 EventQueue.invokeAndWait(() -> { 53 frame = new JFrame(); 54 55 frame.setSize(300,300); 56 frame.setLocationRelativeTo(null); 57 button = new JButton(); 58 button.addPropertyChangeListener(evt -> { 59 if (evt.getPropertyName().equals(name)) { 60 go.countDown(); 61 } 62 }); 63 64 before = button.getGraphicsConfiguration(); 65 66 frame.add(button); 67 frame.setVisible(true); 68 }); 69 70 boolean called = go.await(10, TimeUnit.SECONDS); 71 72 EventQueue.invokeAndWait(() -> { 73 after = button.getGraphicsConfiguration(); 74 frame.dispose(); 75 }); 76 77 if (Objects.equals(before, after) && called) { 78 throw new RuntimeException("propertyChange() should not be called"); 79 } 80 if (!Objects.equals(before, after) && !called) { 81 throw new RuntimeException("propertyChange() should be called"); 82 } 83 } 84 }