15.2.3.6-4-323-1.js (1312B)
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: 15.2.3.6-4-323-1 6 description: > 7 Object.defineProperty - ''O' is an Arguments object of a function 8 that has formal parameters, 'P' is own accessor property of 'O', 9 test TypeError is thrown when updating the [[Enumerable]] 10 attribute value of 'P' which is not configurable (10.6 11 [[DefineOwnProperty]] step 4) 12 includes: [propertyHelper.js] 13 ---*/ 14 15 (function(a, b, c) { 16 function setFunc(value) { 17 this.genericPropertyString = value; 18 } 19 Object.defineProperty(arguments, "genericProperty", { 20 set: setFunc, 21 enumerable: true, 22 configurable: false 23 }); 24 try { 25 Object.defineProperty(arguments, "genericProperty", { 26 enumerable: false 27 }); 28 throw new Test262Error("Expected an exception."); 29 } catch (e) { 30 if (c !== 3) { 31 throw new Test262Error('Expected c === 3, actually ' + c); 32 } 33 verifyWritable(arguments, "genericProperty", "genericPropertyString"); 34 35 if (!(e instanceof TypeError)) { 36 throw new Test262Error("Expected TypeError, got " + e); 37 } 38 } 39 40 verifyProperty(arguments, "genericProperty", { 41 enumerable: true, 42 configurable: false, 43 }); 44 }(1, 2, 3)); 45 46 reportCompare(0, 0);