/*

 * Copyright (c) 2013, 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 8027530

 * @summary test -public, -protected, -package, -private options

 */

import java.io.*;

import java.util.*;

import java.lang.StringBuilder;

public class AccessModifiers {

    public int errorCount;

    protected String protectedField;

    String packageField;

    private String privateField;

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

        new AccessModifiers().run();

    }

    private void run() throws Exception {

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

        pubMembers.add("public int errorCount");

        pubMembers.add("public AccessModifiers");

        pubMembers.add("public static void main");

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

        proMembers.add("protected java.lang.String protectedField");

        proMembers.add("protected java.lang.String runJavap");

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

        pkgMembers.add("java.lang.String packageField");

        pkgMembers.add("boolean verify");

        pkgMembers.add("void error");

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

        priMembers.add("private java.lang.String privateField");

        priMembers.add("private void run() throws java.lang.Exception");

        priMembers.add("private void test");

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

        expectedList.addAll(pubMembers);

        test("-public", expectedList);

        expectedList.addAll(proMembers);

        test("-protected", expectedList);

        expectedList.addAll(pkgMembers);

        test("-package", expectedList);

        expectedList.addAll(priMembers);

        test("-private", expectedList);

        if (errorCount > 0)

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

    }

    private void test(String option, List<String> expectedStrs) throws Exception {

        String output = runJavap(0, option);

        if (verify(output, expectedStrs))

            System.out.println(option + " test passed");

    }

    protected String runJavap(int expect, String... options) {

        // convert the varargs to a list in order to add class name

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

        optlist.addAll(Arrays.asList(options));

        optlist.add("AccessModifiers");

        String[] newoptions = optlist.toArray(new String[optlist.size()]);

        StringWriter sw = new StringWriter();

        PrintWriter pw = new PrintWriter(sw);

        System.out.printf("\nRun javap " + optlist + "\n\n");

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

        pw.close();

        System.out.println(sw);

        if (rc != expect)

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

        return sw.toString();

    }

    boolean verify(String output, List<String> expects) {

        boolean pass = true;

        for (String expect: expects) {

            if (!output.contains(expect)) {

                error(expect + " not found");

                pass = false;

            }

        }

        return pass;

    }

    void error(String msg) {

        System.err.println(msg);

        errorCount++;

    }

}