/*

 * Copyright (c) 2007, 2015, 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 5070898

 * @summary javah command doesn't throw correct exit code in case of error

 * @modules java.compiler

 *          jdk.compiler

 */

import java.io.*;

import java.util.*;

import javax.tools.*;

public class T5070898

{

    public static void main(String... args) throws Exception {

        new T5070898().run();

    }

    public void run() throws Exception {

        writeFile();

        compileFile();

        int rc = runJavah();

        System.err.println("exit code: " + rc);

        if (rc == 0)

            throw new Exception("unexpected exit code: " + rc);

    }

    void writeFile() throws Exception {

        String content =

            "package test;\n" +

            "public class JavahTest{\n" +

            "    public static void main(String args){\n" +

            "        System.out.println(\"Test Message\");" +

            "    }\n" +

            "    private static native Object nativeTest();\n" +

            "}\n";

        FileWriter out = new FileWriter("JavahTest.java");

        try {

            out.write(content);

        } finally {

            out.close();

        }

    }

    void compileFile() throws Exception {

        JavaCompiler javac = ToolProvider.getSystemJavaCompiler();

        int rc = javac.run(null, null, null, "JavahTest.java");

        if (rc != 0)

            throw new Exception("compilation failed");

    }

    int runJavah() throws Exception {

        List<String> cmd = new ArrayList<String>();

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

        cmd.add(new File(new File(java_home, "bin"), "javah").getPath());

        cmd.add("JavahTest");

        ProcessBuilder pb = new ProcessBuilder(cmd);

        pb.redirectErrorStream(true);

        pb.environment().remove("CLASSPATH");

        Process p = pb.start();

        p.getOutputStream().close();

        String line;

        DataInputStream in = new DataInputStream(p.getInputStream());

        try {

        while ((line = in.readLine()) != null)

            System.err.println(line);

        } finally {

            in.close();

        }

        return p.waitFor();

    }

}