| David Buck | 733b1d6 | 2012-03-21 18:41:42 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2012, 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.image.ImageObserver; |
| 25 | import java.awt.image.ImageProducer; |
| 26 | import java.awt.image.ImageConsumer; |
| 27 | import java.awt.Image; |
| 28 | import java.awt.Container; |
| 29 | |
| 30 | /* @test 1.0 12/01/17 |
| 31 | @bug 7104151 |
| 32 | @summary Make sure that we don't leak image observers (or related objects) |
| 33 | @run main/othervm AddNoLeak |
| 34 | @author David Buck |
| 35 | */ |
| 36 | |
| 37 | public class AddNoLeak { |
| 38 | public static void main(String[] args) { |
| 39 | System.setProperty("java.awt.headless", "true"); |
| 40 | Container cont = new Container(); |
| 41 | Image img = cont.createImage(new DummyImageSource()); |
| 42 | for(int i=0;i < 15000;i++) { |
| 43 | img.getWidth(new ImageObserver() { |
| 44 | public boolean imageUpdate(Image img, int infoflags, int x, int y, int width, int height) {return false;} |
| 45 | }); |
| 46 | if (i % 100 == 0) { |
| 47 | System.gc(); |
| 48 | } |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | private static class DummyImageSource implements ImageProducer { |
| 53 | public void addConsumer(ImageConsumer ic){} |
| 54 | public boolean isConsumer(ImageConsumer ic){return false;} |
| 55 | public void removeConsumer(ImageConsumer ic){} |
| 56 | public void startProduction(ImageConsumer ic){} |
| 57 | public void requestTopDownLeftRightResend(ImageConsumer ic){} |
| 58 | } |
| 59 | } |