test262/test/built-ins/Object/defineProperties/15.2.3.7-6-a-199.js

37 lines
1.2 KiB
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// Ecma International makes this code available under the terms and conditions set
// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
// "Use Terms"). Any redistribution of this code must retain the above
// copyright and this notice and otherwise comply with the Use Terms.
/*---
es5id: 15.2.3.7-6-a-199
description: >
Object.defineProperties - 'O' is an Array, 'P' is an array index
named property, 'P' property doesn't exist in 'O', test
[[Configurable]] of 'P' property in 'Attributes' is set as false
value if [[Configurable]] is absent in data descriptor 'desc'
(15.4.5.1 step 4.c)
includes: [runTestCase.js]
---*/
function testcase() {
var arr = [];
var beforeDeleted = false;
var afterDeleted = false;
Object.defineProperties(arr, {
"0": {
value: 1001,
writable: true,
enumerable: true
}
});
beforeDeleted = arr.hasOwnProperty("0");
delete arr[0];
afterDeleted = arr.hasOwnProperty("0");
return beforeDeleted && afterDeleted && arr[0] === 1001;
}
runTestCase(testcase);