Specialized tests for PostgreSQL

Author: alex-kulakov

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

@@ -4,6 +4,7 @@
 // Created by: Alex Groznov
 // Created:    2016.08.01
 
+using System;
 using NUnit.Framework;
 using Xtensive.Orm.Tests.Linq.DateTimeAndDateTimeOffset.Model;
 
@@ -216,7 +217,7 @@ public void MinusDateTimeOffsetAndIntervalUsageTest()
       });
     }
 
-    [Test(Description = "Will fail for PostgreSql because of its restrictions")]
+    [Test]
     public void ToUniversalTime()
     {
       Require.ProviderIsNot(StorageProvider.PostgreSql, "ToUniversalTime is not supported");
@@ -226,5 +227,25 @@ public void ToUniversalTime()
         RunTest<SingleDateTimeOffsetEntity>(c => c.NullableDateTimeOffset.Value.ToUniversalTime() == NullableDateTimeOffset.ToUniversalTime());
       });
     }
+
+    [Test]
+    public void ToUniversalTimePostgresql()
+    {
+      Require.ProviderIs(StorageProvider.PostgreSql, "ToUniversalTime is not supported");
+      ExecuteInsideSession(() => {
+        var ex = Assert.Throws<QueryTranslationException>(()=> RunTest<SingleDateTimeOffsetEntity>(c => c.DateTimeOffset.ToUniversalTime() == FirstDateTimeOffset.ToUniversalTime()));
+        Assert.That(ex.InnerException, Is.TypeOf<NotSupportedException>());
+      });
+    }
+
+    [Test]
+    public void ToLocalTimePostgresql()
+    {
+      Require.ProviderIs(StorageProvider.PostgreSql, "ToLocalTime is not supported");
+      ExecuteInsideSession(() => {
+        var ex = Assert.Throws<QueryTranslationException>(() => RunTest<SingleDateTimeOffsetEntity>(c => c.DateTimeOffset.ToLocalTime() == FirstDateTimeOffset.ToLocalTime()));
+        Assert.That(ex.InnerException, Is.TypeOf<NotSupportedException>());
+      });
+    }
   }
 }