test262/test/built-ins/Array/S15.4_A1.1_T4.js

// 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_T4
description: Checking for string primitive
---*/

//CHECK#1
var x = [];
x["0"] = 0;
if (x[0] !== 0) {
  $ERROR('#1: x = []; x["0"] = 0; x[0] === 0. Actual: ' + (x[0]));
}

//CHECK#2
var y = [];
y["1"] = 1;
if (y[1] !== 1) {
  $ERROR('#2: y = []; y["1"] = 1; y[1] === 1. Actual: ' + (y[1]));
}