From 20741778d2c017b3e5f0084d9eff00edfc8ca799 Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Wed, 3 Aug 2022 00:45:37 +0800
Subject: [PATCH] Add unit test

---
 .../SqlServerTest/UnitTest/UnitSelectN.cs       | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/UnitSelectN.cs b/Src/Asp.Net/SqlServerTest/UnitTest/UnitSelectN.cs
index 4b96e88ab..36a046232 100644
--- a/Src/Asp.Net/SqlServerTest/UnitTest/UnitSelectN.cs
+++ b/Src/Asp.Net/SqlServerTest/UnitTest/UnitSelectN.cs
@@ -43,7 +43,22 @@ namespace OrmTest
             {
                 throw new Exception("unit error");
             }
-             
+            var data3 = db.Queryable<B>()
+                .LeftJoin<A>((b, a) => b.AId == a.AId)
+                .LeftJoin<AA>((b, a, aa) => a.AId == aa.AId)
+                .LeftJoin<BB>((b, a, aa, bb) => bb.BId == b.BId)
+                .Select((b, a, aa, bb) => new
+                {
+                    b=b.BId,
+                    A=new ADTO() { AId=a.AId },
+                    B = new  BDTO{ BId = b.BId, BName = b.BName, AId = a.AId }
+                })
+                .ToList();
+            if (data3.First().B.BId != 1 && data3.First().B.BName != "a"&& data3.First().b!=1)
+            {
+                throw new Exception("unit error");
+            }
+
         }
         [SqlSugar.SugarTable("unita1")]
         public class A