From 289c8313d191e9363b956ea7495de71a85a1a191 Mon Sep 17 00:00:00 2001
From: Sheel Choksi <sheelchoksi@gmail.com>
Date: Sun, 9 Feb 2014 12:04:14 -0800
Subject: [PATCH] Short spec to document why we close over Date and ensure
 cross-browser compatibility

[closes #506]
---
 spec/core/TimerSpec.js | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/spec/core/TimerSpec.js b/spec/core/TimerSpec.js
index 62312c47..41e28148 100644
--- a/spec/core/TimerSpec.js
+++ b/spec/core/TimerSpec.js
@@ -10,4 +10,22 @@ describe("Timer", function() {
 
     expect(timer.elapsed()).toEqual(100);
   });
+
+  describe("when date is stubbed, perhaps by other testing helpers", function() {
+    var origDate = Date;
+    beforeEach(function() {
+      Date = jasmine.createSpy('date spy');
+    });
+
+    afterEach(function() {
+      Date = origDate;
+    });
+
+    it("does not throw even though Date was taken away", function() {
+      var timer = new j$.Timer();
+
+      expect(timer.start).not.toThrow();
+      expect(timer.elapsed()).toEqual(jasmine.any(Number));
+    });
+  });
 });