Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/gtest-linq-14.cs

@@ -0,0 +1,49 @@
+using System;
+using System.Collections.Generic;
+using System.Linq.Expressions;
+
+public enum Style : ulong {
+	Foo,
+	Bar,
+}
+
+public class Person {
+	public Style Style { get; set; }
+}
+
+public interface IObjectContainer {}
+
+public static class Extensions {
+
+	public static IMarker<T> Cast<T> (this IObjectContainer container)
+	{
+		return null;
+	}
+
+	public static IMarker<T> Where<T> (this IMarker<T> marker, Expression<Func<T, bool>> selector)
+	{
+		return null;
+	}
+}
+
+public interface IMarker<T> : IEnumerable<T> {}
+
+public class Program {
+
+	public static void Main ()
+	{
+	}
+	
+	public static void Assert (Action a)
+	{
+	}
+
+	public static void Test (IObjectContainer o, Style s)
+	{
+		Assert (delegate {
+			var res = from Person p in o
+			where 0 == s
+			select p;
+		});
+	}
+}