/*

 * Copyright (c) 2014, 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 8033180

 * @summary Bad newline characters

 */

import java.io.*;

import java.util.*;

public class T8033180 {

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

        new T8033180().run();

    }

    void run() throws Exception {

        // fast-track this case, because test cannot fail in this case

        if (lineSep.equals(nl))

            return;

        test("-help");

        test("-version");

        if (errors > 0)

            throw new Exception(errors + " errors occurred");

    }

    static final String lineSep = System.getProperty("line.separator");

    static final String nl = "\n";

    void test(String... opts) throws Exception {

        System.err.println("test " + Arrays.asList(opts));

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

        args.addAll(Arrays.asList(opts));

        StringWriter sw = new StringWriter();

        PrintWriter pw = new PrintWriter(sw);

        int rc = com.sun.tools.javap.Main.run(args.toArray(new String[args.size()]), pw);

        pw.close();

        String out = sw.toString();

        if (rc != 0)

            throw new Exception("javap failed unexpectedly: rc=" + rc);

        // remove all valid platform newline sequences

        String out2 = out.replace(lineSep, "");

        // count the remaining simple newline characters

        int count = 0;

        int i = out2.indexOf(nl, 0);

        while (i != -1) {

            count++;

            i = out2.indexOf(nl, i + nl.length());

        }

        if (count > 0)

            error(count + " newline characters found");

    }

    void error(String msg) {

        System.err.println("Error: " + msg);

        errors++;

    }

    int errors = 0;

}