延时队列增加数量获取功能

lock_free/queues_test.go

@@ -35,4 +35,8 @@ func TestQueues(t *testing.T) {
 	go q.ContinuousDequeueNotify(route, notify)
 	time.Sleep(time.Second * 5)
 	close(notify)
+
+	if q.DelayCount(route) != 0 {
+		t.Errorf("queue length error, want %d, got %d", 0, q.DelayCount(route))
+	}
 }