test262/test/built-ins/Number/S8.12.8_A4.js

26 lines
971 B
JavaScript

// Copyright 2009 the Sputnik authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
info: >
We overload valueOf method so it return non Primitive value and toString method so it return non Primitive value too
Thus [[DefaultValue]] must generate TypeError error
es5id: 8.12.8_A4
description: >
Try to overload toString and valueOf methods, they returned new
Objects
---*/
try
{
var __obj = {valueOf:function(){return new Object;},toString: function() {return new Object();}}
Number(__obj);
$ERROR('#1.1: var __obj = {valueOf:function(){return new Object;},toNumber: function() {return new Object();}}; Number(__obj) throw TypeError. Actual: ' + (Number(__obj)));
}
catch(e)
{
if ((e instanceof TypeError) !== true) {
$ERROR('#1.2: var __obj = {valueOf:function(){return new Object;},toNumber: function() {return new Object();}}; Number(__obj) throw TypeError. Actual: ' + (e));
}
}