15.2.3.6-4-64.js (732B)
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: 15.2.3.6-4-64 6 description: > 7 Object.defineProperty - desc.value = +0 and name.value = -0 8 (8.12.9 step 6) 9 includes: [propertyHelper.js] 10 ---*/ 11 12 13 var obj = {}; 14 15 Object.defineProperty(obj, "foo", { 16 value: -0 17 }); 18 19 try { 20 Object.defineProperty(obj, "foo", { 21 value: +0 22 }); 23 throw new Test262Error("Expected an exception."); 24 } catch (e) { 25 26 if (!(e instanceof TypeError)) { 27 throw new Test262Error("Expected TypeError, got " + e); 28 } 29 } 30 31 verifyProperty(obj, "foo", { 32 value: -0, 33 writable: false, 34 enumerable: false, 35 configurable: false, 36 }); 37 38 reportCompare(0, 0);