The Tor Browser / file revision

 /*

  * Any copyright is dedicated to the Public Domain.

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

  */

 var BUGNUMBER = 518103;

 var summary = 'lambda constructor "method" vs. instanceof';

 var actual;

 var expect;

 printBugNumber(BUGNUMBER);

 printStatus(summary);

 var Y = {widget: {}};

 Y.widget.DataSource = function () {};

 Y.widget.DS_JSArray = function (A) { this.data = A; };

 Y.widget.DS_JSArray.prototype = new Y.widget.DataSource();

 var J = new Y.widget.DS_JSArray( [ ] );

 actual = J instanceof Y.widget.DataSource;

 expect = true;

 reportCompare(expect, actual, summary);

 printStatus("All tests passed!");