Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.Web/Util/EnumerationRangeValidationUtil.cs

@@ -0,0 +1,25 @@
+//------------------------------------------------------------------------------
+// <copyright file="EnumerationRangeValidationUtil.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+//------------------------------------------------------------------------------
+
+/*
+ * Helper class for performing common enumeration range checks.
+ * 
+ * Copyright (c) 2009 Microsoft Corporation
+ */
+
+namespace System.Web.Util {
+
+    using System.Web.UI.WebControls;
+
+    internal static class EnumerationRangeValidationUtil {
+
+        public static void ValidateRepeatLayout(RepeatLayout value) {
+            if (value < RepeatLayout.Table || value > RepeatLayout.OrderedList) {
+                throw new ArgumentOutOfRangeException("value");
+            }
+        }
+    }
+}