15.2.3.7-6-a-85.js (966B)
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-85 6 description: > 7 Object.defineProperties throws TypeError when P.configurable is 8 false, P.writalbe is false, properties.value and P.value are two 9 objects with different values (8.12.9 step 10.a.ii.1) 10 includes: [propertyHelper.js] 11 ---*/ 12 13 14 var obj = {}; 15 16 var obj1 = { 17 length: 10 18 }; 19 20 Object.defineProperty(obj, "foo", { 21 value: obj1, 22 writable: false, 23 configurable: false 24 }); 25 26 var obj2 = { 27 length: 20 28 }; 29 30 try { 31 Object.defineProperties(obj, { 32 foo: { 33 value: obj2 34 } 35 }); 36 throw new Test262Error("Expected an exception."); 37 } catch (e) { 38 if (!(e instanceof TypeError)) { 39 throw new Test262Error("Expected TypeError, got " + e); 40 } 41 } 42 43 verifyProperty(obj, "foo", { 44 value: obj1, 45 writable: false, 46 enumerable: false, 47 configurable: false, 48 }); 49 50 reportCompare(0, 0);