test262/test/built-ins/Array/S15.4_A1.1_T10.js

27 lines
597 B
JavaScript

// Copyright 2009 the Sputnik authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
info: >
A property name P (in the form of a string value) is an array index
if and only if ToString(ToUint32(P)) is equal to P and ToUint32(P) is not equal to 2^32 - 1
es5id: 15.4_A1.1_T10
description: Array index is power of two
---*/
//CHECK#
var x = [];
var k = 1;
for (var i = 0; i < 32; i++) {
k = k * 2;
x[k - 2] = k;
}
k = 1;
for (i = 0; i < 32; i++) {
k = k * 2;
if (x[k - 2] !== k) {
$ERROR('#' + (k - 2) + ': ');
}
}