| /* |
| * 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(); |
| } |
| } |