1 /*

     2  * Copyright 2008 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 /*

    25  * @test

    26  * @bug 6791458

    27  * @summary Reading from closed input files leaks native memory

    28  */

    29 

    30 import java.io.*;

    31 

    32 public class MemoryLeak {

    33     public static void main(String[] args) throws Throwable {

    34         byte[] bytes = new byte[1 << 20];

    35         String dir = System.getProperty("test.src", ".");

    36         File testFile = new File(dir, "input.txt");

    37         FileInputStream s = new FileInputStream(testFile);

    38         s.close();

    39         for (int i = 0; i < 10000; i++) {

    40             try {

    41                 s.read(bytes);

    42                 throw new Error("expected IOException");

    43             } catch (IOException _) {

    44                 /* OK */

    45             } catch (OutOfMemoryError oome) {

    46                 System.out.printf("Got OutOfMemoryError, i=%d%n", i);

    47                 throw oome;

    48             }

    49         }

    50     }

    51 }