JSTests/test262/test/built-ins/Function/prototype/S15.3.4_A4.js

// Copyright 2009 the Sputnik authors.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
info: |
    The Function prototype object does not have a valueOf property of its
    own. however, it inherits the valueOf property from the Object prototype
    Object
es5id: 15.3.4_A4
description: Checking valueOf property at Function.prototype
---*/

//CHECK#1
if (Function.prototype.hasOwnProperty("valueOf") !== false) {
  $ERROR('#1: The Function prototype object does not have a valueOf property of its own');
}

//CHECK#2
if (typeof Function.prototype.valueOf === "undefined") {
  $ERROR('#2: however, it inherits the valueOf property from the Object prototype Object');
}

//CHECK#3
if (Function.prototype.valueOf !== Object.prototype.valueOf) {
  $ERROR('#3: however, it inherits the valueOf property from the Object prototype Object');
}