15.2.3.7-6-a-84-1.js (864B)
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-84-1 6 description: > 7 Object.defineProperties will not throw TypeError when 8 P.configurable is false, P.writalbe is false, properties.value and 9 P.value are two Objects refer to the same object which has been 10 updated before use it to update the object (8.12.9 step 10.a.ii.1) 11 includes: [propertyHelper.js] 12 ---*/ 13 14 15 var obj = {}; 16 17 var obj1 = { 18 length: 10 19 }; 20 21 Object.defineProperty(obj, "foo", { 22 value: obj1, 23 writable: false, 24 configurable: false 25 }); 26 27 var obj2 = obj1; 28 obj2.y = "hello"; 29 30 Object.defineProperties(obj, { 31 foo: { 32 value: obj2 33 } 34 }); 35 36 verifyProperty(obj, "foo", { 37 value: obj1, 38 writable: false, 39 enumerable: false, 40 configurable: false, 41 }); 42 43 reportCompare(0, 0);