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 // Test global set operation on properties defined in Object.prototype
  32 
  33 Object.defineProperty(Object.prototype, "prop1", { get: function() { return 1; }, set: function(v) { print("setting prop1: " + v); }});
  34 Object.defineProperty(Object.prototype, "prop2", { value: 1, writable: false, configurable: false });
  35 
  36 try {
  37     prop1 = 1;
  38     print("prop 1: " + prop2);
  39 } catch (e) {
  40     print(e.name);
  41 }
  42 
  43 try {
  44     prop2 = 2;
  45     print("prop 2: " + prop2);
  46 } catch (e) {
  47     print(e.name);
  48 }
  49 
  50 // Make sure various ways of setting global toString don't affect Object.prototype.toString
  51 
  52 function checkToString() {
  53     print(global);
  54     print(Object.prototype);
  55     print(global.toString === Object.prototype.toString);
  56     print(objProtoToString === Object.prototype.toString);
  57 }
  58 
  59 var global = this;
  60 var objProtoToString = Object.prototype.toString;
  61 global["toString"] = function() { return "global toString 1"; };
  62 checkToString();
  63 global.toString = function() { return "global toString 2"; };
  64 checkToString();
  65 toString = function() { return "global toString 3"; };
  66 checkToString();
  67 
  68 // Test setters on 'with' object
  69 
  70 var p = { prop3: 3, toString: function() { return "[object p]"; }};
  71 Object.defineProperty(p, "prop4", { get: function() { print("get", this); return 4; }, set: function(v) { print("set", this, v); }});
  72 var o = Object.create(p);
  73 o.toString = function() { return "[object o]"; };
  74 
  75 with(o) {
  76     (function() {
  77         var m = 5;
  78         (function() {
  79             print(prop3);
  80             prop3 = m;
  81             print(prop3);
  82             print(prop4);
  83             prop4 = m;
  84             print(prop4);
  85         })();
  86     })();
  87 }
  88 
  89 print(o.hasOwnProperty("prop3"));
  90 print(o.prop3);
  91 print(p.prop3);
  92 print(o.hasOwnProperty("prop4"));
  93 print(o.prop4);
  94 print(p.prop4);