Add unit test

Src/Asp.NetCore2/SqlSeverTest/UnitTest/Main.cs

@@ -30,6 +30,7 @@ namespace OrmTest
         }
         public static void Init()
         {
+            UnitSplitTask.Init();
             UinitUpdateNavOneToOne.Init();
             UnitCreateNavClass.Init();
             UnitBulkMerge.Init();

Src/Asp.NetCore2/SqlSeverTest/UnitTest/UnitSplitTask.cs

@@ -0,0 +1,47 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    internal class UnitSplitTask
+    {
+        public static void   Init()
+        {
+            var client = NewUnitTest.Db; 
+            Console.WriteLine("Hello, World!");
+            List<Task> tasks = new List<Task>()
+            {
+              CreateTask(client.CopyNew()),
+              CreateTask(client.CopyNew()),
+              CreateTask(client.CopyNew())
+            };
+
+             Task.WhenAll(tasks).GetAwaiter().GetResult();
+            var table = client.SplitHelper<SpitDemoModel>().GetTableName(SplitType.Day);
+            client.DbMaintenance.DropTable(table);
+        }
+
+
+        private static Task CreateTask(ISqlSugarClient client)
+        {
+            return Task.Run(() => {
+                client.Insertable(new SpitDemoModel()).SplitTable().ExecuteCommand();
+            });
+        }
+    }
+
+    [SplitTable(SplitType.Day)]
+    [SugarTable("SpitDemo_{year}{month}{day}")]
+    public class SpitDemoModel
+    {
+        [SugarColumn(IsPrimaryKey = true)]
+        public Guid Id { get; set; } = Guid.NewGuid();
+        [SplitField]
+        public DateTime CreateTime { get; set; } = DateTime.Now;
+
+    }
+}
+