test262/test/built-ins/Object/defineProperties/15.2.3.7-6-a-155.js

32 lines
875 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.7-6-a-155
description: >
Object.defineProperties - 'O' is an Array, 'P' is the length
property of 'O', test the [[Value]] field of 'desc' which is
greater than value of the length property is defined into 'O'
without deleting any property with large index named (15.4.5.1
step 3.f)
includes: [runTestCase.js]
---*/
function testcase() {
var arr = [0, , 2];
try {
Object.defineProperties(arr, {
length: {
value: 5
}
});
return arr.length === 5 && arr[0] === 0 && !arr.hasOwnProperty("1") && arr[2] === 2;
} catch (e) {
return false;
}
}
runTestCase(testcase);