Fixes issue ThatRendle#200

ThatRendle · ThatRendle · commit d10941bd6576 · 2012-07-13T12:03:01.000+01:00
diff --git a/Simple.Data.BehaviourTest/UpdateTest.cs b/Simple.Data.BehaviourTest/UpdateTest.cs
@@ -62,6 +62,16 @@ public void TestUpdateWithNamedArguments()
             Parameter(2).Is(1);
         }
 
+        [Test]
+        public void TestUpdateWithNamedArgumentsUsingDifferentCase()
+        {
+            _db.Users.UpdateById(id: 1, Name: "Steve", Age: 50);
+            GeneratedSqlIs("update [dbo].[Users] set [Name] = @p1, [Age] = @p2 where [dbo].[Users].[Id] = @p3");
+            Parameter(0).Is("Steve");
+            Parameter(1).Is(50);
+            Parameter(2).Is(1);
+        }
+
         [Test]
         public void TestUpdateWithNamedArgumentsUsingExpression()
         {
diff --git a/Simple.Data/BinderHelper.cs b/Simple.Data/BinderHelper.cs
@@ -16,7 +16,7 @@ private static IDictionary<string, object> NamedArgumentsToDictionary(IEnumerabl
                 .Reverse()
                 .Zip(args.Reverse(), (k, v) => new KeyValuePair<string, object>(k, v))
                 .Reverse()
-                .ToDictionary();
+                .ToDictionary(StringComparer.InvariantCultureIgnoreCase);
         }
 
         private static IDictionary<string, object> ArgumentsToDictionary(IEnumerable<String> argumentNames, IEnumerable<object> args)
@@ -29,7 +29,7 @@ private static IDictionary<string, object> ArgumentsToDictionary(IEnumerable<Str
                 .Zip(argumentNames.Reverse().ExtendInfinite(), (v, k) => new KeyValuePair<string, object>(k, v))
                 .Reverse()
                 .Select((kvp, i) => kvp.Key == null ? new KeyValuePair<string, object>("_" + i.ToString(), kvp.Value) : kvp)
-                .ToDictionary();
+                .ToDictionary(StringComparer.InvariantCultureIgnoreCase);
         }
 
         internal static IDictionary<string, object> NamedArgumentsToDictionary(this InvokeMemberBinder binder, IEnumerable<object> args)
