1 // Copyright 2010 the V8 project authors. All rights reserved. 2 // Redistribution and use in source and binary forms, with or without 3 // modification, are permitted provided that the following conditions are 4 // met: 5 // 6 // * Redistributions of source code must retain the above copyright 7 // notice, this list of conditions and the following disclaimer. 8 // * Redistributions in binary form must reproduce the above 9 // copyright notice, this list of conditions and the following 10 // disclaimer in the documentation and/or other materials provided 11 // with the distribution. 12 // * Neither the name of Google Inc. nor the names of its 13 // contributors may be used to endorse or promote products derived 14 // from this software without specific prior written permission. 15 // 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28 // See: http://code.google.com/p/v8/issues/detail?id=1015 29 30 // Object and array literals should be created using DefineOwnProperty, and 31 // therefore not hit setters in the prototype. 32 33 function mkFail(message) { 34 return function () { assertUnreachable(message); } 35 } 36 37 Object.defineProperty(Object.prototype, "foo", 38 {get: mkFail("oget"), set: mkFail("oset")}); 39 Object.defineProperty(Array.prototype, "2", 40 {get: mkFail("aget"), set: mkFail("aset")}); 41 42 function inFunction() { 43 for (var i = 0; i < 10; i++) { 44 // in loop. 45 var ja = JSON.parse('[1,2,3,4]'); 46 var jo = JSON.parse('{"bar": 10, "foo": 20}') 47 var jop = JSON.parse('{"bar": 10, "__proto__": { }, "foo": 20}') 48 var a = [1,2,3,4]; 49 var o = { bar: 10, foo: 20 }; 50 var op = { __proto__: { set bar(v) { assertUnreachable("bset"); } }, 51 bar: 10 }; 52 } 53 } 54 55 for (var i = 0; i < 10; i++) { 56 // In global scope. 57 var ja = JSON.parse('[1,2,3,4]'); 58 var jo = JSON.parse('{"bar": 10, "foo": 20}') 59 var jop = JSON.parse('{"bar": 10, "__proto__": { }, "foo": 20}') 60 var a = [1,2,3,4]; 61 var o = { bar: 10, foo: 20 }; 62 var op = { __proto__: { set bar(v) { assertUnreachable("bset"); } }, 63 bar: 10 }; 64 // In function scope. 65 inFunction(); 66 } 67
