test262/test/suite/ch11/11.4/11.4.2/S11.4.2_A4_T4.js
2011-10-03 13:04:52 -07:00

23 lines
545 B
JavaScript

// Copyright 2009 the Sputnik authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* Operator "void" evaluates UnaryExpression and returns undefined
*
* @path ch11/11.4/11.4.2/S11.4.2_A4_T4.js
* @description Type(x) is undefined or null
*/
//CHECK#1
var x;
if (isNaN(void x) !== true) {
$ERROR('#1: var x; void x === undefined. Actual: ' + (void x));
}
//CHECK#2
var x = null;
if (void x !== undefined) {
$ERROR('#2: var x = null; void x === undefined. Actual: ' + (void x));
}