/*

 * 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

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 */

/*

 * @test

 * @bug 4501660

 * @summary change diagnostic of -help as 'print this help message and exit'

 *            (actually, verify -help does not cause premature exit)

 */

import java.io.*;

import java.util.zip.*;

public class T4501660 {

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

        new T4501660().run();

    }

    public void run() throws IOException {

        String testClasses = System.getProperty("test.classes", ".");

        String output = javap("-classpath", testClasses, "-help", "T4501660");

        verify(output,

               "-public", "-protected", "-private", // check -help output is present

               "class T4501660"                     // check class output is present

               );

        if (errors > 0)

            throw new Error(errors + " found.");

    }

    String javap(String... args) {

        StringWriter sw = new StringWriter();

        PrintWriter out = new PrintWriter(sw);

        //sun.tools.javap.Main.entry(args);

        int rc = com.sun.tools.javap.Main.run(args, out);

        if (rc != 0)

            throw new Error("javap failed. rc=" + rc);

        out.close();

        System.out.println(sw);

        return sw.toString();

    }

    void verify(String output, String... expects) {

        for (String expect: expects) {

            if (output.indexOf(expect)< 0)

                error(expect + " not found");

        }

    }

    void error(String msg) {

        System.err.println(msg);

        errors++;

    }

    int errors;

}