60 lines
2.3 KiB
Java
60 lines
2.3 KiB
Java
/*
|
|
* Copyright (c) 2012, 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.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
import java.awt.image.ImageObserver;
|
|
import java.awt.image.ImageProducer;
|
|
import java.awt.image.ImageConsumer;
|
|
import java.awt.Image;
|
|
import java.awt.Container;
|
|
|
|
/* @test 1.0 12/01/17
|
|
@bug 7104151
|
|
@summary Make sure that we don't leak image observers (or related objects)
|
|
@run main/othervm AddNoLeak
|
|
@author David Buck
|
|
*/
|
|
|
|
public class AddNoLeak {
|
|
public static void main(String[] args) {
|
|
System.setProperty("java.awt.headless", "true");
|
|
Container cont = new Container();
|
|
Image img = cont.createImage(new DummyImageSource());
|
|
for(int i=0;i < 15000;i++) {
|
|
img.getWidth(new ImageObserver() {
|
|
public boolean imageUpdate(Image img, int infoflags, int x, int y, int width, int height) {return false;}
|
|
});
|
|
if (i % 100 == 0) {
|
|
System.gc();
|
|
}
|
|
}
|
|
}
|
|
|
|
private static class DummyImageSource implements ImageProducer {
|
|
public void addConsumer(ImageConsumer ic){}
|
|
public boolean isConsumer(ImageConsumer ic){return false;}
|
|
public void removeConsumer(ImageConsumer ic){}
|
|
public void startProduction(ImageConsumer ic){}
|
|
public void requestTopDownLeftRightResend(ImageConsumer ic){}
|
|
}
|
|
}
|