15.2.3.6-4-150.js (932B)
1 // Copyright (c) 2012 Ecma International. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 4 /*--- 5 es5id: 15.2.3.6-4-150 6 description: > 7 Object.defineProperty - 'O' is an Array, 'name' is the length 8 property of 'O', test TypeError is thrown when the [[Value]] field 9 of 'desc' is an Object that both toString and valueOf wouldn't 10 return primitive value (15.4.5.1 step 3.c) 11 ---*/ 12 13 var arrObj = []; 14 var toStringAccessed = false; 15 var valueOfAccessed = false; 16 assert.throws(TypeError, function() { 17 Object.defineProperty(arrObj, "length", { 18 value: { 19 toString: function() { 20 toStringAccessed = true; 21 return {}; 22 }, 23 24 valueOf: function() { 25 valueOfAccessed = true; 26 return {}; 27 } 28 } 29 }); 30 }); 31 assert(toStringAccessed, 'toStringAccessed !== true'); 32 assert(valueOfAccessed, 'valueOfAccessed !== true'); 33 34 reportCompare(0, 0);