1 /*

     2  * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /*

    25  * @test

    26  * @bug 4421066

    27  * @summary Check a type parameter whose bound cycles back on itself.

    28  * @library ../../lib

    29  * @modules jdk.javadoc

    30  * @compile  ../../lib/OldToolTester.java Main.java

    31  * @run main Main

    32  */

    33 

    34 import java.io.IOException;

    35 import com.sun.javadoc.*;

    36 

    37 public class Main extends OldToolTester.Doclet {

    38 

    39     private static final OldToolTester tester = new OldToolTester("Main", "pkg1");

    40 

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

    42         tester.run();

    43     }

    44 

    45     public static boolean start(RootDoc root) {

    46         ClassDoc cd = root.classes()[0];

    47         System.out.println("*** " + cd);

    48         TypeVariable E = cd.typeParameters()[0];

    49         System.out.println("*** " + E);

    50         Type bound = E.bounds()[0];

    51         System.out.println("*** " + bound);

    52 

    53         // Verify that we have an instantiation of Enum<E>, and not

    54         // the generic interface.

    55         ParameterizedType enumE = (ParameterizedType)bound;

    56 

    57         if (enumE.asClassDoc() != cd) {

    58             throw new Error("Type declaration and type use don't match up.");

    59         } else {

    60             return true;

    61         }

    62     }

    63 }