1 /*
   2  * Copyright (c) 2010, 2013, 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  * JDK-8013729: SwitchPoint invalidation not working over prototype chain
  26  *
  27  * @test
  28  * @run
  29  */
  30 
  31 var a = {x: 1};
  32 var b = Object.create(a, {y: {value: 2, configurable: true, writable: true}});
  33 var c = Object.create(b);
  34 var d = Object.create(c);
  35 
  36 function p() {
  37     print(d.x);
  38     print(d.y);
  39 }
  40 
  41 p();
  42 
  43 // Delete, then redefine properties
  44 delete a.x;
  45 delete b.y;
  46 a.x = 10;
  47 b.y = 20;
  48 
  49 p();