NH-2782 - Linq - allow to select into property of array type

Fix for NH-2678 (42e537b) can be partially reverted

Author: hazzik

src/NHibernate.Test/Linq/MethodCallTests.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using NHibernate.DomainModel.Northwind.Entities;
 using NUnit.Framework;
@@ -100,6 +101,32 @@ public void CanSelectPropertiesFromAssociationsIntoObjectArray()
 			Assert.That(result.Length, Is.EqualTo(3));
 			Assert.That(result[1], Is.EqualTo("Admin"));
 			Assert.That(result[2], Is.EqualTo("output"));
+		}
+
+		[Test(Description = "NH-2782")] 
+		public void CanSelectPropertiesIntoObjectArrayInProperty()
+		{
+			var result = db.Users
+				.Select(u => new { Cells = new object[] { u.Id, u.Name, new object[u.Id] } })
+				.First();
+
+			var cells = result.Cells;
+			Assert.That(cells.Length, Is.EqualTo(3));
+			Assert.That(cells[1], Is.EqualTo("ayende"));
+			Assert.That(cells[2], Is.InstanceOf<object[]>().And.Length.EqualTo(cells[0]));
+		}
+
+		[Test(Description = "NH-2782")] 
+		public void CanSelectPropertiesIntoPropertyListInProperty()
+		{
+			var result = db.Users
+				.Select(u => new { Cells = new List<object> { u.Id, u.Name, new object[u.Id] } })
+				.First();
+
+			var cells = result.Cells;
+			Assert.That(cells.Count, Is.EqualTo(3));
+			Assert.That(cells[1], Is.EqualTo("ayende"));
+			Assert.That(cells[2], Is.InstanceOf<object[]>().And.Length.EqualTo(cells[0]));
 		} 
 
 		[Test, Description("NH-2744")]

src/NHibernate/Linq/Visitors/SelectClauseNominator.cs

@@ -121,7 +121,10 @@ private bool IsRegisteredFunction(Expression expression)
 		private bool CanBeEvaluatedInHqlSelectStatement(Expression expression, bool projectConstantsInHql)
 		{
 			// HQL can't do New or Member Init
-			if ((expression.NodeType == ExpressionType.MemberInit) || (expression.NodeType == ExpressionType.New))
+			if (expression.NodeType == ExpressionType.MemberInit || 
+				expression.NodeType == ExpressionType.New || 
+				expression.NodeType == ExpressionType.NewArrayInit ||
+				expression.NodeType == ExpressionType.NewArrayBounds)
 			{
 				return false;
 			}