/*

 * Copyright (c) 2008, 2016, 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.

 */

import java.io.*;

/*

 * @test

 * @bug 4111861

 * @summary static final field contents are not displayed

 * @modules jdk.jdeps/com.sun.tools.javap

 */

public class T4111861 {

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

        new T4111861().run();

    }

    void run() throws Exception {

        File testSrc = new File(System.getProperty("test.src", "."));

        File a_java = new File(testSrc, "A.java");

        javac("-d", ".", a_java.getPath());

        String out = javap("-classpath", ".", "-constants", "A");

        String a = read(a_java);

        if (!filter(out).equals(filter(read(a_java)))) {

            System.out.println(out);

            throw new Exception("unexpected output");

        }

    }

    String javac(String... args) throws Exception {

        StringWriter sw = new StringWriter();

        PrintWriter pw = new PrintWriter(sw);

        int rc = com.sun.tools.javac.Main.compile(args, pw);

        if (rc != 0)

            throw new Exception("javac failed, rc=" + rc);

        return sw.toString();

    }

    String javap(String... args) throws Exception {

        StringWriter sw = new StringWriter();

        PrintWriter pw = new PrintWriter(sw);

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

        if (rc != 0)

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

        return sw.toString();

    }

    String read(File f) throws IOException {

        StringBuilder sb = new StringBuilder();

        BufferedReader in = new BufferedReader(new FileReader(f));

        try {

            String line;

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

                sb.append(line);

                sb.append('\n');

            }

        } finally {

            in.close();

        }

        return sb.toString();

    }

    // return those lines beginning "public static final"

    String filter(String s) throws IOException {

        StringBuilder sb = new StringBuilder();

        BufferedReader in = new BufferedReader(new StringReader(s));

        try {

            String line;

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

                if (line.indexOf("public static final") > 0) {

                    sb.append(line.trim());

                    sb.append('\n');

                }

            }

        } finally {

            in.close();

        }

        return sb.toString();

    }

}