1var oldDate = global.Date;
 2
 3/*
 4 * fix new Date() to a fixed unix timestamp.
 5 */
 6global.Date.fix = function (timestamp) {
 7  var time = timestamp * 1000;
 8
 9  if (global.Date.unfake) {
10    global.Date.unfake();
11  }
12
13  global.Date = function (ts) {
14    return new oldDate(ts || time);
15  };
16
17  global.Date.prototype = Object.create(oldDate.prototype);
18  global.Date.prototype.constructor = global.Date;
19
20  global.Date.prototype.now = function () {
21    return time;
22  };
23
24  global.Date.now = function () {
25    return time;
26  };
27
28  global.Date.unfix = function () {
29    global.Date = oldDate;
30  };
31
32};