1 /*
   2  * Copyright (c) 2008, 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 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 }