Main.java

/*
 * Copyright (c) 2003, 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 4421066
 * @summary Check a type parameter whose bound cycles back on itself.
 * @library ../../lib
 * @compile  ../../lib/Tester.java Main.java
 * @run main Main
 */

import java.io.IOException;
import com.sun.javadoc.*;

public class Main extends Tester.Doclet {

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

    public static void main(String[] args) throws IOException {
        tester.run();
    }

    public static boolean start(RootDoc root) {
        ClassDoc cd = root.classes()[0];
        System.out.println("*** " + cd);
        TypeVariable E = cd.typeParameters()[0];
        System.out.println("*** " + E);
        Type bound = E.bounds()[0];
        System.out.println("*** " + bound);

        // Verify that we have an instantiation of Enum<E>, and not
        // the generic interface.
        ParameterizedType enumE = (ParameterizedType)bound;

        if (enumE.asClassDoc() != cd) {
            throw new Error("Type declaration and type use don't match up.");
        } else {
            return true;
        }
    }
}