jdk8-mips64-public/langtools: test/tools/javac/T6558476.java@7909abb85562

     1 /*

     2  * Copyright (c) 2008, 2013, 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  */

    24 /*

    25  * @test

    26  * @bug 6558476

    27  * @summary com/sun/tools/javac/Main.compile don't release file handles on return

    28  * @run main/othervm -Xmx512m -Xms512m  T6558476

    29  */

    31 import java.io.File;

    32 import java.io.FileInputStream;

    33 import java.io.FileOutputStream;

    34 import java.io.IOException;

    35 import java.util.Random;

    37 import com.sun.tools.javac.Main;

    39 public class T6558476 {

    40     private static File copyFileTo(File file, File directory) throws IOException {

    41         File newFile = new File(directory, file.getName());

    42         FileInputStream fis = null;

    43         FileOutputStream fos = null;

    44         try {

    45             fis = new FileInputStream(file);

    46             fos = new FileOutputStream(newFile);

    47             byte buff[] = new byte[1024];

    48             int val;

    49             while ((val = fis.read(buff)) > 0)

    50                 fos.write(buff, 0, val);

    51         } finally {

    52             if (fis != null)

    53                 fis.close();

    54             if (fos != null)

    55                 fos.close();

    56         }

    57         return newFile;

    58     }

    60     private static String generateJavaClass(String className) {

    61         StringBuffer sb = new StringBuffer();

    62         sb.append("import sun.net.spi.nameservice.dns.DNSNameService;\n");

    63         sb.append("public class ");

    64         sb.append(className);

    65         sb.append(" {\n");

    66         sb.append("  public void doStuff() {\n");

    67         sb.append("    DNSNameService dns = null;\n");

    68         sb.append("  }\n");

    69         sb.append("}\n");

    70         return sb.toString();

    71     }

    73     public static void main(String[] args) throws IOException {

    74         File javaHomeDir = new File(System.getProperty("java.home"));

    75         File outputDir = new File("outputDir" + new Random().nextInt(65536));

    76         outputDir.mkdir();

    77         outputDir.deleteOnExit();

    79         File dnsjarfile = new File(javaHomeDir, "lib" + File.separator + "ext" + File.separator + "dnsns.jar");

    80         File tmpJar = copyFileTo(dnsjarfile, outputDir);

    81         String className = "TheJavaFile";

    82         File javaFile = new File(outputDir, className + ".java");

    83         javaFile.deleteOnExit();

    84         FileOutputStream fos = new FileOutputStream(javaFile);

    85         fos.write(generateJavaClass(className).getBytes());

    86         fos.close();

    88         int rc = Main.compile(new String[]{"-d", outputDir.getPath(),

    89                     "-classpath",

    90                     tmpJar.getPath(),

    91                     javaFile.getAbsolutePath()});

    92         if (rc != 0) {

    93             throw new Error("Couldn't compile the file (exit code=" + rc + ")");

    94         }

    96         if (tmpJar.delete()) {

    97             System.out.println("jar file successfully deleted");

    98         } else {

    99             throw new Error("Error deleting file \"" + tmpJar.getPath() + "\"");

   100         }

   101     }

   102 }

Mercurial > jdk8-mips64-public > langtools / file revision