test/built-ins/Number/prototype/S15.7.3.1_A2_T2.js


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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.

/*---
info: Number.prototype is itself not a Number object
es5id: 15.7.3.1_A2_T2
description: >
    Checking type of Number.prototype property - test based on
    overwriting of Number.prototype.toString
---*/

//CHECK#1
if (typeof Number.prototype !== "object") {
  $ERROR('#1: typeof Number.prototype === "object"');
}

Number.prototype.toString = Object.prototype.toString;

if (Number.prototype.toString() !== "[object Object]") {
  $ERROR('#3: The [[Class]] property of the Number prototype object is set to "Object"');
}