15.2.3.7-6-a-144.js (952B)
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: 15.2.3.7-6-a-144 6 description: > 7 Object.defineProperties - 'O' is an Array, 'name' is the length 8 property of 'O', test the [[Value]] field of 'desc' is an Object 9 which has an own valueOf method that returns an object and 10 toString method that returns a string (15.4.5.1 step 3.c) 11 ---*/ 12 13 var arr = []; 14 var toStringAccessed = false; 15 var valueOfAccessed = false; 16 17 Object.defineProperties(arr, { 18 length: { 19 value: { 20 toString: function() { 21 toStringAccessed = true; 22 return '2'; 23 }, 24 25 valueOf: function() { 26 valueOfAccessed = true; 27 return {}; 28 } 29 } 30 } 31 }); 32 33 assert.sameValue(arr.length, 2, 'arr.length'); 34 assert(toStringAccessed, 'toStringAccessed !== true'); 35 assert(valueOfAccessed, 'valueOfAccessed !== true'); 36 37 reportCompare(0, 0);