diff -r 000000000000 -r 6474c204b198 js/src/tests/test262/ch10/10.1/S10.1.6_A1_T1.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/test262/ch10/10.1/S10.1.6_A1_T1.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,20 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The activation object is initialised with a property with name arguments and attributes {DontDelete}
+ *
+ * @path ch10/10.1/S10.1.6_A1_T1.js
+ * @description Checking if deleting function parameter is possible
+ * @noStrict
+ */
+
+//CHECK#1
+function f1(a){
+  delete a;
+  return a;
+}
+if (f1(1) !== 1)
+  $ERROR('#1: Function parameter was deleted');
+
+