1 /*
   2  * Copyright (c) 2014, 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-8047764: Indexed or polymorphic set on global affects Object.prototype
  26  *
  27  * @test
  28  * @run
  29  */
  30 
  31 // Same as JDK-8047764.js but running in strict mode
  32 "use strict";
  33 
  34 // Test global set operation on properties defined in Object.prototype
  35 
  36 Object.defineProperty(Object.prototype, "prop1", { get: function() { return 1; }, set: function(v) { print("setting prop1: " + v); }});
  37 Object.defineProperty(Object.prototype, "prop2", { value: 1, writable: false, configurable: false });
  38 
  39 try {
  40     prop1 = 1;
  41     print("prop 1: " + prop2);
  42 } catch (e) {
  43     print(e.name);
  44 }
  45 
  46 try {
  47     prop2 = 2;
  48     print("prop 2: " + prop2);
  49 } catch (e) {
  50     print(e.name);
  51 }
  52 
  53 // Make sure various ways of setting global toString don't affect Object.prototype.toString
  54 
  55 function checkToString() {
  56     print(global);
  57     print(Object.prototype);
  58     print(global.toString === Object.prototype.toString);
  59     print(objProtoToString === Object.prototype.toString);
  60 }
  61 
  62 var global = this;
  63 var objProtoToString = Object.prototype.toString;
  64 global["toString"] = function() { return "global toString 1"; };
  65 checkToString();
  66 global.toString = function() { return "global toString 2"; };
  67 checkToString();
  68 toString = function() { return "global toString 3"; };
  69 checkToString();