1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/arguments-object/10.5-7-b-4-s.js b/js/src/tests/test262/language/arguments-object/10.5-7-b-4-s.js
new file mode 100644
index 0000000000..3eab81bce3
--- /dev/null
+++ b/js/src/tests/test262/language/arguments-object/10.5-7-b-4-s.js
@@ -0,0 +1,19 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 10.5-7-b-4-s
+description: >
+    Deleting property of the arguments object successful under strict mode
+---*/
+
+        function _10_5_7_b_4_fun() {
+            var _10_5_7_b_4_1 = arguments[0] === 30 && arguments[1] === 12;
+            delete arguments[1];
+            var _10_5_7_b_4_2 = arguments[0] === 30 && typeof arguments[1] === "undefined";
+            return _10_5_7_b_4_1 && _10_5_7_b_4_2;
+        };
+
+assert(_10_5_7_b_4_fun(30, 12), '_10_5_7_b_4_fun(30, 12) !== true');
+
+reportCompare(0, 0);