Add unit test

Src/Asp.Net/MySqlTest/UnitTest/UnitDateTimeOffset.cs

@@ -0,0 +1,44 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    internal class UnitDateTimeOffset
+    {
+        public static void Init() 
+        {
+            var db = NewUnitTest.Db;
+
+            db.DbMaintenance.CreateDatabase();
+            //建表 
+
+            db.CodeFirst.InitTables<Test>();
+
+            SnowFlakeSingle.WorkId = 1;
+
+            var test = new Test() { Name = "A", Date = DateTimeOffset.Now };
+ 
+            var id = db.Insertable(test).ExecuteReturnSnowflakeId();
+            test = db.Queryable<Test>().First(v => v.Id == id);
+      
+            //Console.ReadKey();
+
+    }
+
+        [SugarTable("unittest121")]
+        public class Test
+        {
+
+            public string Name { get; set; }
+            [SugarColumn(IsPrimaryKey = true)]
+            public long Id { get; set; }
+            public DateTimeOffset Date { get; set; } = DateTimeOffset.MinValue;
+
+
+        }
+    }
+}