/*

 * 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

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 */

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){}

    }

}