error-expando-reconfigure.js

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/*

 * Any copyright is dedicated to the Public Domain.

 * http://creativecommons.org/licenses/publicdomain/

*/

var gTestfile = "error-expando-reconfigure.js"

//-----------------------------------------------------------------------------

var BUGNUMBER = 961494;

var summary =

  "Reconfiguring the first expando property added to an Error object " +

  "shouldn't assert";

print(BUGNUMBER + ": " + summary);

/**************

 * BEGIN TEST *

 **************/

var err = new Error(); // no message argument => no err.message property

err.expando = 17;

Object.defineProperty(err, "expando", { configurable: false });

/******************************************************************************/

if (typeof reportCompare === "function")

  reportCompare(true, true);

print("Tests complete");