Missing Async test for GH1594

Author: fredericDelaporte

src/NHibernate.Test/Async/NHSpecificTest/GH1594/Fixture.cs

@@ -0,0 +1,84 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by AsyncGenerator.
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+
+using System.Linq;
+using System.Threading;
+using System.Transactions;
+using NHibernate.Engine;
+using NUnit.Framework;
+using NHibernate.Linq;
+
+namespace NHibernate.Test.NHSpecificTest.GH1594
+{
+	using System.Threading.Tasks;
+	[TestFixture]
+	public class FixtureAsync : BugTestCase
+	{
+		protected override bool AppliesTo(ISessionFactoryImplementor factory) =>
+			factory.ConnectionProvider.Driver.SupportsSystemTransactions;
+
+		protected override void OnSetUp()
+		{
+			using (var session = OpenSession())
+			using (var transaction = session.BeginTransaction())
+			{
+				var e1 = new GH1594.Entity {Name = "Bob"};
+				session.Save(e1);
+
+				var e2 = new GH1594.Entity {Name = "Sally"};
+				session.Save(e2);
+
+				transaction.Commit();
+			}
+		}
+
+		protected override void OnTearDown()
+		{
+			using (var session = OpenSession())
+			using (var transaction = session.BeginTransaction())
+			{
+				// The HQL delete does all the job inside the database without loading the entities, but it does
+				// not handle delete order for avoiding violating constraints if any. Use
+				// session.Delete("from System.Object");
+				// instead if in need of having NHbernate ordering the deletes, but this will cause
+				// loading the entities in the session.
+				session.CreateQuery("delete from System.Object").ExecuteUpdate();
+
+				transaction.Commit();
+			}
+		}
+
+		[Test]
+		public async Task ExecutionContextLocalValuesLeakAsync()
+		{
+			using (var session = OpenSession())
+			{
+				await (RunInTransactionAsync(session));
+				var localValuesCountAfterFirstCall = ExecutionContext.Capture().LocalValuesCount();
+				await (RunInTransactionAsync(session));
+				var localValuesCountAfterSecondCall = ExecutionContext.Capture().LocalValuesCount();
+				Assert.AreEqual(localValuesCountAfterFirstCall, localValuesCountAfterSecondCall);
+			}
+		}
+
+		private async Task RunInTransactionAsync(ISession session, CancellationToken cancellationToken = default(CancellationToken))
+		{
+			using (var ts = new TransactionScope(TransactionScopeAsyncFlowOption.Enabled))
+			{
+				var result = from e in session.Query<GH1594.Entity>()
+							 where e.Name == "Bob"
+							 select e;
+
+				await (result.ToListAsync(cancellationToken));
+				ts.Complete();
+			}
+		}
+	}
+}