From 5c53cf64868342deb4bb6fc452658189a9f8b385 Mon Sep 17 00:00:00 2001
From: vsavkin <vic.savkin@gmail.com>
Date: Sat, 30 May 2015 11:55:17 -0700
Subject: [PATCH] fix(fake_async): fixed fakeAsync to throw instead of crashing
 on cjs

---
 modules/angular2/src/test_lib/fake_async.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/angular2/src/test_lib/fake_async.ts b/modules/angular2/src/test_lib/fake_async.ts
index 947690ee43..e1b510decd 100644
--- a/modules/angular2/src/test_lib/fake_async.ts
+++ b/modules/angular2/src/test_lib/fake_async.ts
@@ -129,7 +129,7 @@ function _dequeueTimer(id: number): Function {
 }
 
 function _assertInFakeAsyncZone(): void {
-  if (!(<FakeAsyncZone>global.zone)._inFakeAsyncZone) {
+  if (!global.zone || !(<FakeAsyncZone>global.zone)._inFakeAsyncZone) {
     throw new Error('The code should be running in the fakeAsync zone to call this function');
   }
 }