82 lines
2.4 KiB
Java
82 lines
2.4 KiB
Java
/*
|
|
* 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();
|
|
}
|
|
}
|