Tests for DateTime and DateTimeOffsets values with nanoseconds

Author: alex-kulakov

Orm/Xtensive.Orm.Tests/Linq/DateTimeAndDateTimeOffset/DateTime/PartsExtractionTest.cs

@@ -1,9 +1,10 @@
-// Copyright (C) 2016 Xtensive LLC.
-// All rights reserved.
-// For conditions of distribution and use, see license.
+// Copyright (C) 2016-2021 Xtensive LLC.
+// This code is distributed under MIT license terms.
+// See the License.txt file in the project root for more information.
 // Created by: Alex Groznov
 // Created:    2016.08.01
 
+using System;
 using NUnit.Framework;
 using Xtensive.Orm.Tests.Linq.DateTimeAndDateTimeOffset.Model;
 
@@ -118,6 +119,22 @@ public void ExtractDateTest()
       });
     }
 
+    [Test]
+    [TestCase("2018-10-30 12:15:32.123")]
+    [TestCase("2018-10-30 12:15:32.1234")]
+    [TestCase("2018-10-30 12:15:32.12345")]
+    [TestCase("2018-10-30 12:15:32.123456")]
+    [TestCase("2018-10-30 12:15:32.1234567")]
+    public void ExtractDateFromMicrosecondsTest(string testValueString)
+    {
+      Require.ProviderIs(StorageProvider.SqlServer);
+      ExecuteInsideSession(() => {
+        var testDateTimeOffset = DateTimeOffset.Parse(testValueString);
+        _ = new SingleDateTimeOffsetEntity() { MillisecondDateTimeOffset = testDateTimeOffset };
+        RunTest<SingleDateTimeOffsetEntity>(c => c.MillisecondDateTimeOffset.Date == testDateTimeOffset.Date);
+      });
+    }
+
     [Test]
     public void ExtractTimeOfDayTest()
     {

Orm/Xtensive.Orm.Tests/Linq/DateTimeAndDateTimeOffset/DateTimeOffset/PartsExtractionTest.cs

@@ -1,9 +1,10 @@
-// Copyright (C) 2016 Xtensive LLC.
-// All rights reserved.
-// For conditions of distribution and use, see license.
+// Copyright (C) 2016-2021 Xtensive LLC.
+// This code is distributed under MIT license terms.
+// See the License.txt file in the project root for more information.
 // Created by: Alex Groznov
 // Created:    2016.08.01
 
+using System;
 using NUnit.Framework;
 using Xtensive.Orm.Tests.Linq.DateTimeAndDateTimeOffset.Model;
 
@@ -148,6 +149,22 @@ public void ExtractDateTest()
       });
     }
 
+    [Test]
+    [TestCase("2018-10-30 12:15:32.123 +05:10")]
+    [TestCase("2018-10-30 12:15:32.1234 +05:10")]
+    [TestCase("2018-10-30 12:15:32.12345 +05:10")]
+    [TestCase("2018-10-30 12:15:32.123456 +05:10")]
+    [TestCase("2018-10-30 12:15:32.1234567 +05:10")]
+    public void ExtractDateFromMicrosecondsTest(string testValueString)
+    {
+      Require.ProviderIs(StorageProvider.SqlServer);
+      ExecuteInsideSession(() => {
+        var testDateTimeOffset =  DateTimeOffset.Parse(testValueString);
+        _ = new SingleDateTimeOffsetEntity() { MillisecondDateTimeOffset = testDateTimeOffset };
+        RunTest<SingleDateTimeOffsetEntity>(c => c.MillisecondDateTimeOffset.Date == testDateTimeOffset.Date);
+      });
+    }
+
     [Test]
     public void ExtractTimeOfDayTest()
     {