1 /*

     2  * Copyright (c) 2004, 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 5071352

    27  * @summary Make sure compiler closes all open files on Windows

    28  * @author Martin Buchholz

    29  *

    30  * @run main/othervm -Xms200m -Xmx200m CompileClose

    31  */

    32 

    33 // -Xms120m is sufficient to inhibit a gc during a compile.

    34 // -Xms200m leaves room for expansion and was used by the customer.

    35 

    36 import java.io.*;

    37 

    38 public class CompileClose {

    39     static void writeFile(String f, String contents) throws IOException {

    40         PrintStream s = new PrintStream(new FileOutputStream(f));

    41         s.println(contents);

    42         s.close();

    43     }

    44 

    45     static void rm(String filename) throws Exception {

    46         File f = new File(filename);

    47         f.delete();

    48         if (f.exists())

    49             throw new Exception(filename + ": couldn't remove");

    50     }

    51 

    52     static void clean() throws Exception {

    53         rm("tmpCompileClose.java");

    54         rm("tmpCompileClose.class");

    55         rm("tmpCompileClose.jar");

    56     }

    57 

    58     public static void main(String args[]) throws Exception {

    59         try {

    60             clean();

    61             main1();

    62         } finally {

    63             clean();

    64         }

    65     }

    66 

    67     static void main1() throws Exception {

    68         writeFile("tmpCompileClose.java",

    69                   "public class tmpCompileClose {}");

    70         // Any old jar file will do

    71         SameJVM.jar("cf", "tmpCompileClose.jar", "tmpCompileClose.java");

    72         System.gc(); // Inhibit gc during next compile

    73         SameJVM.javac("-cp", "tmpCompileClose.jar", "tmpCompileClose.java");

    74         // The following rm is the actual test!

    75         rm("tmpCompileClose.jar");

    76     }

    77 }