15.2.3.7-6-a-87.js (994B)
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-87 6 description: > 7 Object.defineProperties throws TypeError when P.configurable is 8 false, both properties.[[Set]] and P.[[Set]] are two objects which 9 refer to different objects (8.12.9 step 11.a.i) 10 includes: [propertyHelper.js] 11 ---*/ 12 13 14 var obj = {}; 15 16 function set_func1(value) { 17 obj.setVerifyHelpProp = value; 18 } 19 20 Object.defineProperty(obj, "foo", { 21 set: set_func1, 22 configurable: false 23 }); 24 25 function set_func2() {} 26 27 try { 28 Object.defineProperties(obj, { 29 foo: { 30 set: set_func2 31 } 32 }); 33 throw new Test262Error("Expected an exception."); 34 } catch (e) { 35 if (!(e instanceof TypeError)) { 36 throw new Test262Error("Expected TypeError, got " + e); 37 } 38 } 39 40 verifyWritable(obj, "foo", "setVerifyHelpProp"); 41 42 verifyProperty(obj, "foo", { 43 enumerable: false, 44 configurable: false, 45 }); 46 47 reportCompare(0, 0);