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// Copyright 2009 the Sputnik authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @name: S15.7.4.2_A4_T01;
* @section: 15.7.4.2;
* @assertion: 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 Number object;
* @description: transferring to the String objects;
*/
// Converted for Test262 from original Sputnik source
ES5Harness.registerTest( {
id: "S15.7.4.2_A4_T01",
path: "TestCases/15_Native/15.7_Number_Objects/15.7.4_Properties_of_the_Number_Prototype_Object/15.7.4.2_Number.prototype.toString/S15.7.4.2_A4_T01.js",
assertion: "The toString function is not generic, it cannot be transferred",
description: "transferring to the String objects",
test: function testcase() {
//CHECK#1
try{
var s1 = new String();
s1.toString = Number.prototype.toString;
var v1 = s1.toString();
$ERROR('#1: Number.prototype.toString on not a Number object should throw TypeError');
}
catch(e){
if(!(e instanceof TypeError)){
$ERROR('#1: Number.prototype.toString on not a Number object should throw TypeError, not '+e);
}
}
//CHECK#2
try{
var s2 = new String();
s2.myToString = Number.prototype.toString;
var v2 = s2.myToString();
$ERROR('#2: Number.prototype.toString on not a Number object should throw TypeError');
}
catch(e){
if(!(e instanceof TypeError)){
$ERROR('#2: Number.prototype.toString on not a Number object should throw TypeError, not '+e);
}
}
}
});
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