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);