Test case

Author: bahusoid

src/NHibernate.Test/Async/Linq/ODataTests.cs

@@ -65,6 +65,17 @@ public async Task OrderGroupByAsync(string queryString, int expectedRows)
 			Assert.That(results, Has.Count.EqualTo(expectedRows));
 		}
 
+		[TestCase("$filter=CustomerId le 'ANATR'",2 )]
+		[TestCase("$filter=startswith(CustomerId, 'ANATR')", 1)]
+		[TestCase("$filter=endswith(CustomerId, 'ANATR')", 1)]
+		[TestCase("$filter=indexof(CustomerId, 'ANATR') eq 0", 1)]
+		public async Task StringFilterAsync(string queryString, int expectedCount)
+		{
+			Assert.That(
+				await (ApplyFilter(session.Query<Customer>(), queryString).Cast<Customer>().ToListAsync()),
+				Has.Count.EqualTo(expectedCount));
+		}
+
 		private IQueryable ApplyFilter<T>(IQueryable<T> query, string queryString)
 		{
 			var context = new ODataQueryContext(CreatEdmModel(), typeof(T), null) { };

src/NHibernate.Test/Linq/ODataTests.cs

@@ -53,6 +53,17 @@ public void OrderGroupBy(string queryString, int expectedRows)
 			Assert.That(results, Has.Count.EqualTo(expectedRows));
 		}
 
+		[TestCase("$filter=CustomerId le 'ANATR'",2 )]
+		[TestCase("$filter=startswith(CustomerId, 'ANATR')", 1)]
+		[TestCase("$filter=endswith(CustomerId, 'ANATR')", 1)]
+		[TestCase("$filter=indexof(CustomerId, 'ANATR') eq 0", 1)]
+		public void StringFilter(string queryString, int expectedCount)
+		{
+			Assert.That(
+				ApplyFilter(session.Query<Customer>(), queryString).Cast<Customer>().ToList(),
+				Has.Count.EqualTo(expectedCount));
+		}
+
 		private IQueryable ApplyFilter<T>(IQueryable<T> query, string queryString)
 		{
 			var context = new ODataQueryContext(CreatEdmModel(), typeof(T), null) { };