mirror of https://github.com/tc39/test262.git
40 lines
1.2 KiB
JavaScript
40 lines
1.2 KiB
JavaScript
// Copyright 2009 the Sputnik authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/**
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* The toString function is not generic, it cannot be transferred
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* to other kinds of objects for use as a method and there is should be
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* a TypeError exception if its this value is not a Number object
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*
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* @path 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_T02.js
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* @description transferring to the Boolean objects
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*/
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//CHECK#1
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try{
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var s1 = new Boolean();
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s1.toString = Number.prototype.toString;
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var v1 = s1.toString();
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$ERROR('#1: Number.prototype.toString on not a Number object should throw TypeError');
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}
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catch(e){
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if(!(e instanceof TypeError)){
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$ERROR('#1: Number.prototype.toString on not a Number object should throw TypeError, not '+e);
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}
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}
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//CHECK#2
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try{
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var s2 = new Boolean();
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s2.myToString = Number.prototype.toString;
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var v2 = s2.myToString();
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$ERROR('#2: Number.prototype.toString on not a Number object should throw TypeError');
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}
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catch(e){
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if(!(e instanceof TypeError)){
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$ERROR('#2: Number.prototype.toString on not a Number object should throw TypeError, not '+e);
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}
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}
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