test262/test/suite/ch15/15.6/15.6.4/S15.6.4.2_A2_T4.js

40 lines
1.1 KiB
JavaScript

// Copyright 2009 the Sputnik authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* The toString function is not generic, it cannot be transferred
* to other kinds of objects for use as a method and there is should be
* a TypeError exception if its this value is not a Boolean object
*
* @path ch15/15.6/15.6.4/S15.6.4.2_A2_T4.js
* @description transferring to the Object objects
*/
//CHECK#1
try{
var s1 = new Object();
s1.toString = Boolean.prototype.toString;
var v1 = s1.toString();
$ERROR('#1: Boolean.prototype.toString on not a Boolean object should throw TypeError');
}
catch(e){
if(!(e instanceof TypeError)){
$ERROR('#1: Boolean.prototype.toString on not a Boolean object should throw TypeError, not '+e);
}
}
//CHECK#1
try{
var s2 = new Object();
s2.myToString = Boolean.prototype.toString;
var v2 = s2.myToString();
$ERROR('#2: Boolean.prototype.toString on not a Boolean object should throw TypeError');
}
catch(e){
if(!(e instanceof TypeError)){
$ERROR('#2: Boolean.prototype.toString on not a Boolean object should throw TypeError, not '+e);
}
}