/*

 * 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

 */

import java.io.*;

import java.util.zip.*;

public class InvalidOptions {

    int errorCount;

    String log;

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

        new InvalidOptions().run();

    }

    void run() throws Exception {

        test(2, "-b", "Error: unknown option: -b",

                      "Usage: javap <options> <classes>",

                      "use -help for a list of possible options");

        if (errorCount > 0)

            throw new Exception(errorCount + " errors received");

    }

    void test(int expect, String option, String ... expectedOutput) {

        String output = runJavap(expect, option);

        verify(output, expectedOutput);

    }

    String runJavap(int expect, String... option) {

        StringWriter sw = new StringWriter();

        PrintWriter pw = new PrintWriter(sw);

        int rc = com.sun.tools.javap.Main.run(option, pw);

        pw.close();

        System.out.println("javap prints:");

        System.out.println(sw);

        if (rc != expect)

           throw new Error("Expect to return " + expect + ", but return " + rc);

        return sw.toString();

    }

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

        for (String expect: expects) {

            if (!output.contains(expect))

                error(expect + " not found");

        }

    }

    void error(String msg) {

        System.err.println(msg);

        errorCount++;

    }

}