增加对BackgroundLongTask异步执行的测试

Falcon.SugarApi.Test/BackTaskTest.cs

@@ -4,6 +4,7 @@ using System.Threading;
 using System;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Hosting;
+using System.Threading.Tasks;
 
 namespace Falcon.SugarApi.Test
 {
@@ -23,6 +24,28 @@ namespace Falcon.SugarApi.Test
             Thread.Sleep(2 * 1000);
             Assert.IsTrue(task.State == 2, "停止状态错误");
             Console.WriteLine($"{DateTime.Now.ToString("HH:mm:ss")}:测试完成");
+
+            var asyncTask = new BackTaskAsync();
+            Console.WriteLine("启动异步任务");
+            asyncTask.StartAsync(token.Token).Wait();
+            Thread.Sleep(5 * 1000);
+            Console.WriteLine("停止异步任务");
+            asyncTask.StopAsync(token.Token).Wait();
+        }
+    }
+
+    public class BackTaskAsync : BackgroundLongTask
+    {
+        public BackTaskAsync() {
+            this.Log = new TestLog<BackTaskObject>();
+        }
+        public ILogger Log { get; set; }
+
+        public override float RunTimespan => 1;
+
+        protected async override void Run() {
+            this.Log.LogInformation($"{DateTime.Now.ToString("HH:mm:ss")}:BackTaskAsync Run!");
+            await Task.CompletedTask;
         }
     }