mirror of https://github.com/tc39/test262.git
21 lines
783 B
JavaScript
21 lines
783 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_T5
|
|
description: Checking for null and undefined
|
|
---*/
|
|
|
|
var x = [];
|
|
x[null] = 0;
|
|
assert.sameValue(x[0], undefined, 'The value of x[0] is expected to equal undefined');
|
|
assert.sameValue(x["null"], 0, 'The value of x["null"] is expected to be 0');
|
|
|
|
var y = [];
|
|
y[undefined] = 0;
|
|
assert.sameValue(y[0], undefined, 'The value of y[0] is expected to equal undefined');
|
|
assert.sameValue(y["undefined"], 0, 'The value of y["undefined"] is expected to be 0');
|