test262/test/suite/ch15/15.7/15.7.3/15.7.3.4/S15.7.3.4_A4.js

22 lines
575 B
JavaScript

// Copyright 2009 the Sputnik authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* Number.NaN has the attribute DontEnum
*
* @path 15_Native/15.7_Number_Objects/15.7.3_Properties_of_Number_Constructor/15.7.3.4_Number.NaN/S15.7.3.4_A4.js
* @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');
}