CSHARP1257: First and Last rewriting was ignoring the predicate argument.

Author: craiggwilson

src/MongoDB.Driver.Tests/Linq/Translators/AggregateProjectionTranslatorTests_Group.cs

@@ -176,6 +176,14 @@ public async Task Should_translate_last_with_normalization()
             result.Value.B.Should().Be("Balloon");
         }
 
+        [Test]
+        public void Should_throw_an_exception_when_last_is_used_with_a_predicate()
+        {
+            Func<Task> act = () => Group(x => x.A, g => new { g.Last(x => x.A == "bin").B });
+
+            act.ShouldThrow<NotSupportedException>();
+        }
+
         [Test]
         public async Task Should_translate_max_with_embedded_projector()
         {

src/MongoDB.Driver/Linq/Processors/GroupSerializationInfoBinder.cs

@@ -220,7 +220,7 @@ protected override Expression VisitMember(MemberExpression node)
 
                 // we are going to rewrite g.Last().Member to g.Select(x => x.Member).Last()
                 var call = currentNode as MethodCallExpression;
-                if (call != null && IsAggregateMethod(call.Method.Name))
+                if (call != null && IsAggregateMethod(call.Method.Name) && call.Arguments.Count == 1)
                 {
                     var source = Visit(call.Arguments[0]);
                     var typeArguments = call.Method.GetGenericArguments();