/*

 * Copyright 1997 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

/*

 * @test

 * @bug 4091327 4079087

 * @summary Verify resolution of qualified outer class 'this' references.

 * @author William Maddox (maddox) [shamelessly cribbed from bug report]

 *

 * @clean QualifiedOuterThis QualifiedOuterThis$Y QualifiedOuterThis$Y$Z

 * @compile QualifiedOuterThis.java

 * @run main QualifiedOuterThis

 */

public class QualifiedOuterThis {

    static StringBuffer sb = new StringBuffer();

    public String toString() { sb.append('X'); return "X"; }

    void test() {

        class Y {

            public String toString() { sb.append('Y'); return "Y"; }

            class Z {

                public String toString() { sb.append('Z'); return "Z"; }

                void test() {

                    System.out.println(this.toString());

                    System.out.println(Y.this.toString());

                    System.out.println(QualifiedOuterThis.this.toString());

                }

            }

            void test() {

                new Z().test();

            }

        }

        new Y().test();

    }

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

        QualifiedOuterThis x = new QualifiedOuterThis();

        x.test();  // Print Z Y X

        System.out.println(sb.toString());

        if (!sb.toString().equals("ZYX")) {

            throw new Exception("incorrect outer instance method called!");

        }

    }

}