test262/test/built-ins/Number/NaN/S15.7.3.4_A4.js

20 lines
479 B
JavaScript

// Copyright 2009 the Sputnik authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
info: Number.NaN has the attribute DontEnum
es5id: 15.7.3.4_A4
description: Checking if enumerating Number.NaN fails
---*/
//CHECK#1
for(var x in Number) {
if(x === "NaN") {
$ERROR('#1: Number.NaN has the attribute DontEnum');
}
}
if (Number.propertyIsEnumerable('NaN')) {
$ERROR('#2: Number.NaN has the attribute DontEnum');
}