jdk/test/java/io/readBytes/MemoryLeak.java
author jlahoda
Tue, 02 Dec 2014 15:12:40 +0100
changeset 27785 29d4cb4a8f5e
parent 5506 202f599c92aa
permissions -rw-r--r--
8065998: Avoid use of _ as a one-character identifier Reviewed-by: alanb, chegar, darcy
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/*
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 * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/*
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 * @test
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 * @bug 6791458
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 * @summary Reading from closed input files leaks native memory
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 */
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import java.io.*;
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public class MemoryLeak {
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    public static void main(String[] args) throws Throwable {
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        byte[] bytes = new byte[1 << 20];
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        String dir = System.getProperty("test.src", ".");
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        File testFile = new File(dir, "input.txt");
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        FileInputStream s = new FileInputStream(testFile);
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        s.close();
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        for (int i = 0; i < 10000; i++) {
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            try {
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                s.read(bytes);
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                throw new Error("expected IOException");
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            } catch (IOException expected) {
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                /* OK */
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            } catch (OutOfMemoryError oome) {
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                System.out.printf("Got OutOfMemoryError, i=%d%n", i);
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                throw oome;
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            }
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        }
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    }
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}