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 /*

    25  * @test

    26  * @bug 7195106

    27  * @summary Tests that explicit BeanInfo is not collected

    28  * @author Sergey Malenkov

    29  */

    30 

    31 import java.awt.Image;

    32 import java.awt.image.BufferedImage;

    33 import java.beans.BeanInfo;

    34 import java.beans.Introspector;

    35 import java.beans.SimpleBeanInfo;

    36 

    37 public class Test7195106 {

    38 

    39     public static void main(String[] arg) throws Exception {

    40         BeanInfo info = Introspector.getBeanInfo(My.class);

    41         if (null == info.getIcon(BeanInfo.ICON_COLOR_16x16)) {

    42             throw new Error("Unexpected behavior");

    43         }

    44         try {

    45             int[] array = new int[1024];

    46             while (true) {

    47                 array = new int[array.length << 1];

    48             }

    49         }

    50         catch (OutOfMemoryError error) {

    51             System.gc();

    52         }

    53         if (null == info.getIcon(BeanInfo.ICON_COLOR_16x16)) {

    54             throw new Error("Explicit BeanInfo is collected");

    55         }

    56     }

    57 

    58     public static class My {

    59     }

    60 

    61     public static class MyBeanInfo extends SimpleBeanInfo {

    62         @Override

    63         public Image getIcon(int type) {

    64             return new BufferedImage(16, 16, BufferedImage.TYPE_INT_RGB);

    65         }

    66     }

    67 }