/*

 * Copyright (c) 1999, 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 4160204 4234488

 * @summary Create empty javadoc comments and verify that javac does not crash.

 * @compile EmptyDocComments.java

 */

// WARNING: This file intentionally contains whitespace characters at the end of

// some lines.  Do not delete them!

// If this file fails to compile, then the test has failed.  The test does not

// need to be run.

public class EmptyDocComments

{

    public static void Main(String [] args)

    {

    }

    // Verify that empty doc comments don't cause a crash.

    /**

     *  */

    public static void emptyDocComment0()

    {

        System.out.println("javadoc comment");

        System.out.println("- contains whitespace");

        System.out.println("- ends on same line as potential comment");

    }

    /**

     ***/

    public static void emptyDocComment1()

    {

        System.out.println("javadoc comment");

        System.out.println("- contains nothing");

        System.out.println("- ends on same line as potential comment");

    }

    /** */

    public static void emptyDocComment2()

    {

        System.out.println("javadoc comment");

        System.out.println("- contains whitespace");

        System.out.println("- ends on same line as comment start");

    }

    /**

      *

      */

    public static void emptyDocComment3()

    {

        System.out.println("javadoc comment");

        System.out.println("- contains whitespace");

        System.out.println("- ends on new line ");

    }

    /***/

    public static void emptyDocComment4()

    {

        System.out.println("minimal javadoc comment");

        System.out.println("- contains nothing");

        System.out.println("- ends on same line as comment start");

    }

    /**/

    public static void emptyDocComment5()

    {

        System.out.println("minimal _java_ comment");

        System.out.println("- contains nothing");

        System.out.println("- ends on same line as comment start");

    }

    /** **** */

    public static void emptyDocComment6()

    {

        System.out.println("javadoc comment");

        System.out.println("- contains \"*\"");

        System.out.println("- ends on same line as comment start");

    }

    // Verify that we properly handle very small, non-empty comments.

    /** a */

    public static void singleChar0()

    {

        System.out.println("javadoc comment");

        System.out.println("- contains a single character");

        System.out.println("- ends on same line as comment start");

    }

    /**

     * a      */

    public static void singleChar1()

    {

        System.out.println("javadoc comment");

        System.out.println("- contains a single character and trailing whitespace");

        System.out.println("- ends on same line as potential comment");

    }

    /**

     * a

     */

    public static void singleChar2()

    {

        System.out.println("javadoc comment");

        System.out.println("- contains a single character, no trailing whitespace");

        System.out.println("- ends on new line ");

    }

    /**

       a

     */

    public static void singleChar3()

    {

        System.out.println("javadoc comment");

        System.out.println("- contains a single character and trailing whitespace");

        System.out.println("- ends on new line ");

    }

}