/*

 * Copyright (c) 2011, 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.

 */

/*

 * @test

 * @bug 6964914

 * @summary javadoc does not output number of warnings using user written doclet

 * @modules jdk.javadoc

 */

import java.io.*;

import java.util.*;

import com.sun.javadoc.Doclet;

import com.sun.javadoc.RootDoc;

public class TestUserDoclet extends Doclet {

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

        new TestUserDoclet().run();

    }

    static final String docletWarning = "warning from test doclet";

    /** Main doclet method. */

    public static boolean start(RootDoc root) {

        root.printWarning(null, docletWarning);

        return true;

    }

    /** Main test method. */

    void run() throws Exception {

        File javaHome = new File(System.getProperty("java.home"));

        File javadoc = new File(new File(javaHome, "bin"), "javadoc");

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

        File testClasses = new File(System.getProperty("test.classes"));

        // run javadoc in separate process to ensure doclet executed under

        // normal user conditions w.r.t. classloader

        String thisClassName = TestUserDoclet.class.getName();

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

        cmdArgs.add(javadoc.getPath());

        cmdArgs.addAll(Arrays.asList(

                "-doclet", thisClassName,

                "-docletpath", testClasses.getPath(),

                new File(testSrc, thisClassName + ".java").getPath()

        ));

        Process p = new ProcessBuilder()

            .command(cmdArgs)

            .redirectErrorStream(true)

            .start();

        int actualDocletWarnCount = 0;

        int reportedDocletWarnCount = 0;

        BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));

        try {

            String line;

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

                System.err.println(line);

                if (line.contains(docletWarning))

                    actualDocletWarnCount++;

                if (line.matches("[0-9]+ warning(s)?"))

                    reportedDocletWarnCount =

                            Integer.valueOf(line.substring(0, line.indexOf(" ")));

            }

        } finally {

            in.close();

        }

        int rc = p.waitFor();

        if (rc != 0)

            System.err.println("javadoc failed, rc:" + rc);

        int expectedDocletWarnCount = 1;

        checkEqual("actual", actualDocletWarnCount, "expected", expectedDocletWarnCount);

        checkEqual("actual", actualDocletWarnCount, "reported", reportedDocletWarnCount);

    }

    void checkEqual(String l1, int i1, String l2, int i2) throws Exception {

        if (i1 != i2)

            throw new Exception(l1 + " warn count, " + i1 + ", does not match "

                        + l2 + " warn count, " + i2);

    }

}