1 /*
   2  * Copyright 2003 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  20  * CA 95054 USA or visit www.sun.com if you need additional information or
  21  * have any 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  * @compile -source 1.5 ../../lib/Tester.java Main.java
  30  * @run main Main
  31  */
  32 
  33 import java.io.IOException;
  34 import com.sun.javadoc.*;
  35 
  36 public class Main extends Tester.Doclet {
  37 
  38     private static final Tester tester = new Tester("Main", "pkg1");
  39 
  40     public static void main(String[] args) throws IOException {
  41         tester.run();
  42     }
  43 
  44     public static boolean start(RootDoc root) {
  45         ClassDoc cd = root.classes()[0];
  46         System.out.println("*** " + cd);
  47         TypeVariable E = cd.typeParameters()[0];
  48         System.out.println("*** " + E);
  49         Type bound = E.bounds()[0];
  50         System.out.println("*** " + bound);
  51 
  52         // Verify that we have an instantiation of Enum<E>, and not
  53         // the generic interface.
  54         ParameterizedType enumE = (ParameterizedType)bound;
  55 
  56         if (enumE.asClassDoc() != cd) {
  57             throw new Error("Type declaration and type use don't match up.");
  58         } else {
  59             return true;
  60         }
  61     }
  62 }