/*

 * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 6558476

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

 * @run main/othervm -Xmx512m -Xms512m  T6558476

 */

import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.IOException;

import java.util.Random;

import com.sun.tools.javac.Main;

public class T6558476 {

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

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

        FileInputStream fis = null;

        FileOutputStream fos = null;

        try {

            fis = new FileInputStream(file);

            fos = new FileOutputStream(newFile);

            byte buff[] = new byte[1024];

            int val;

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

                fos.write(buff, 0, val);

        } finally {

            if (fis != null)

                fis.close();

            if (fos != null)

                fos.close();

        }

        return newFile;

    }

    private static String generateJavaClass(String className) {

        StringBuffer sb = new StringBuffer();

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

        sb.append("public class ");

        sb.append(className);

        sb.append(" {\n");

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

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

        sb.append("  }\n");

        sb.append("}\n");

        return sb.toString();

    }

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

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

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

        outputDir.mkdir();

        outputDir.deleteOnExit();

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

        File tmpJar = copyFileTo(dnsjarfile, outputDir);

        String className = "TheJavaFile";

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

        javaFile.deleteOnExit();

        FileOutputStream fos = new FileOutputStream(javaFile);

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

        fos.close();

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

                    "-classpath",

                    tmpJar.getPath(),

                    javaFile.getAbsolutePath()});

        if (rc != 0) {

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

        }

        if (tmpJar.delete()) {

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

        } else {

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

        }

    }

}