1 /*
   2  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 8087104
  27  * @summary Make sure that clone() method is not called from DateFormatSymbols constructor.
  28  */
  29 import java.text.DateFormatSymbols;
  30 
  31 public class DFSymbolsCloneTest extends DateFormatSymbols {
  32 
  33     private Foo foo;
  34 
  35     public DFSymbolsCloneTest(Foo fooObj) {
  36         if (fooObj == null) {
  37             this.foo = new Foo();
  38         } else {
  39             this.foo = fooObj;
  40         }
  41     }
  42 
  43     @Override
  44     public Object clone() {
  45         DFSymbolsCloneTest dfsclone = (DFSymbolsCloneTest) super.clone();
  46         if (this.foo == null) {
  47             throw new RuntimeException("Clone method should not be called from "
  48                     + " Superclass(DateFormatSymbols) Constructor...");
  49         } else {
  50             dfsclone.foo = (Foo) this.foo.clone();
  51         }
  52         return dfsclone;
  53     }
  54 
  55     public static void main(String[] args) {
  56         DFSymbolsCloneTest dfsctest = new DFSymbolsCloneTest(new Foo());
  57     }
  58 }
  59 
  60 class Foo {
  61 
  62     public Foo() {
  63     }
  64 
  65     @Override
  66     protected Object clone() {
  67         return new Foo();
  68     }
  69 
  70 }