From c834837dcb5b9220b1570c7f96785d763a7b0968 Mon Sep 17 00:00:00 2001
From: James deBoer <james@huronbox.com>
Date: Wed, 12 Mar 2014 09:33:33 -0700
Subject: [PATCH] feat(mock zone): isAsyncQueueEmpty

---
 lib/mock/zone.dart       | 5 +++++
 test/mock/zone_spec.dart | 2 ++
 2 files changed, 7 insertions(+)

diff --git a/lib/mock/zone.dart b/lib/mock/zone.dart
index 862d42014..5eed01db2 100644
--- a/lib/mock/zone.dart
+++ b/lib/mock/zone.dart
@@ -46,6 +46,11 @@ microLeap() {
   }
 }
 
+/**
+ * Returns whether the async queue is empty.
+ */
+isAsyncQueueEmpty() => _asyncQueue.isEmpty;
+
 /**
  * Simulates a clock tick by running any scheduled timers. Can only be used
  * in [async] tests.Clock tick will call [microLeap] to process the microtask
diff --git a/test/mock/zone_spec.dart b/test/mock/zone_spec.dart
index e5415b7c1..b1aaf9c83 100644
--- a/test/mock/zone_spec.dart
+++ b/test/mock/zone_spec.dart
@@ -42,7 +42,9 @@ void main() {
         async(() {
           new Future.value('s').then((_) { thenRan = true; });
           expect(thenRan).toBe(false);
+          expect(isAsyncQueueEmpty()).toBe(false);
           microLeap();
+          expect(isAsyncQueueEmpty()).toBe(true);
           expect(thenRan).toBe(true);
           ran = true;
         })();