test262/test/built-ins/Object/defineProperty/15.2.3.6-4-275.js

26 lines
785 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.6-4-275
description: >
Object.defineProperty - 'O' is an Array, 'name' is an array index
named property, test the length property of 'O' is set as
ToUint32('name') + 1 if ToUint32('name') equals to value of the
length property in 'O' (15.4.5.1 step 4.e.ii)
includes: [runTestCase.js]
---*/
function testcase() {
var arrObj = [];
arrObj.length = 3; // default value of length: writable: true, configurable: false, enumerable: false
Object.defineProperty(arrObj, "3", {
value: 3
});
return arrObj.length === 4 && arrObj[3] === 3;
}
runTestCase(testcase);