test262/test/suite/ch15/15.9/15.9.5/15.9.5.16/S15.9.5.16_A1_T1.js

// 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 "getDay" has { DontEnum } attributes
description: Checking absence of ReadOnly attribute
---*/

x = Date.prototype.getDay;
if(x === 1)
  Date.prototype.getDay = 2;
else
  Date.prototype.getDay = 1;
if (Date.prototype.getDay === x) {
  $ERROR('#1: The Date.prototype.getDay has not the attribute ReadOnly');
}