/*

 * Copyright (c) 1998, 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 4102393 4133457

 * @summary Verify that <class>.this  matches <class> exactly, not a subclass.

 * @author maddox

 *

 * @run compile QualifiedThisExactMatch.java

 * @run main QualifiedThisExactMatch

 */

public class QualifiedThisExactMatch {

    void test() throws Exception {}

    void checkIt1() throws Exception {

        QualifiedThisExactMatch z = new QualifiedThisExactMatch() {

            void test() throws Exception {

                if (this == QualifiedThisExactMatch.this) {

                    throw new Exception("anonymous");

                }

            }

        };

        z.test();

    }

    //---

    class A  {

        Object getThisA() { return A.this; }

        class B extends A {

            Object getThisA() { return A.this; }

            Object getThisB() { return B.this; }

        }

    }

    void check(Object x, Object y) throws Exception {

        if (x != y) {

            throw new Exception("named");

        }

    }

    void checkIt2 () throws Exception {

        A a = new A();

        A.B b = a.new B();

        check(a, a.getThisA());

        check(a, b.getThisA());

        check(b, b.getThisB());

    }

    //---

    public static void main(String[] s) throws Exception {

        QualifiedThisExactMatch x = new QualifiedThisExactMatch();

        x.checkIt1();

        x.checkIt2();

    }

}