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);