test262/test/language/expressions/prefix-decrement/S11.4.5_A4_T5.js

21 lines
543 B
JavaScript

// Copyright 2009 the Sputnik authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
info: Operator --x returns ToNumber(x) - 1
es5id: 11.4.5_A4_T5
description: Type(x) is Object object or Function object
---*/
//CHECK#1
var x = {};
if (isNaN(--x) !== true) {
$ERROR('#1: var x = {}; --x === Not-a-Number. Actual: ' + (--x));
}
//CHECK#2
var x = function(){return 1};
if (isNaN(--x) !== true) {
$ERROR('#2: var x = function(){return 1}; --x === Not-a-Number. Actual: ' + (--x));
}