From 3258c84fbc5719b8f54d1c57f5512935c4d635e3 Mon Sep 17 00:00:00 2001
From: Serge Camille <sergecamille@gmail.com>
Date: Mon, 17 Aug 2020 19:20:47 +0200
Subject: [PATCH] Add DateTimeLong test to S7NetTestsSync

---
 S7.Net.UnitTest/S7NetTestsSync.cs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/S7.Net.UnitTest/S7NetTestsSync.cs b/S7.Net.UnitTest/S7NetTestsSync.cs
index c096643..3b7589b 100644
--- a/S7.Net.UnitTest/S7NetTestsSync.cs
+++ b/S7.Net.UnitTest/S7NetTestsSync.cs
@@ -997,6 +997,20 @@ namespace S7.Net.UnitTest
             Assert.AreEqual(test_value, test_value2, "Compare Write/Read"); //No delta, datatype matches
         }
 
+        [TestMethod]
+        public void T33_ReadWriteDateTimeLong()
+        {
+            var test_value = System.DateTime.Now;
+            var db = 1;
+            var offset = 0;
+
+            plc.WriteBytes(DataType.DataBlock, db, offset, Types.DateTimeLong.ToByteArray(test_value));
+            var test_value2 = plc.Read(DataType.DataBlock, db, offset, VarType.DateTimeLong, 1);
+            Assert.IsInstanceOfType(test_value2, typeof(System.DateTime));
+
+            Assert.AreEqual(test_value, test_value2, "Compare DateTimeLong Write/Read");
+        }
+
         #endregion
 
         #region Private methods