test/built-ins/Date/prototype/valueOf/S15.9.5.8_A1_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: The Date.prototype property "valueOf" has { DontEnum } attributes
esid: sec-date.prototype.valueof
es5id: 15.9.5.8_A1_T2
description: Checking absence of DontDelete attribute
---*/

if (delete Date.prototype.valueOf  === false) {
  $ERROR('#1: The Date.prototype.valueOf property has not the attributes DontDelete');
}

if (Date.prototype.hasOwnProperty('valueOf')) {
  $ERROR('#2: The Date.prototype.valueOf property has not the attributes DontDelete');
}