test262/test/built-ins/Object/keys/15.2.3.14-6-2.js

32 lines
841 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.14-6-2
description: >
Object.keys - the order of elements in returned array is the same
with the order of properties in 'O' (sparse array)
includes: [runTestCase.js]
---*/
function testcase() {
var sparseArray = [1, 2, , 4, , 6];
var tempArray = [];
for (var p in sparseArray) {
if (sparseArray.hasOwnProperty(p)) {
tempArray.push(p);
}
}
var returnedArray = Object.keys(sparseArray);
for (var index in returnedArray) {
if (tempArray[index] !== returnedArray[index]) {
return false;
}
}
return true;
}
runTestCase(testcase);