1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/function/13.1-31-s.js b/js/src/tests/test262/language/statements/function/13.1-31-s.js
new file mode 100644
index 0000000000..8fdecb495a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/function/13.1-31-s.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    Refer 13.1; 
+    It is a SyntaxError if any Identifier value occurs more than once within a FormalParameterList of a strict mode
+    FunctionDeclaration or FunctionExpression.
+es5id: 13.1-31-s
+description: >
+    Strict Mode - SyntaxError is thrown if a function is created using
+    a FunctionExpression that is contained in eval strict code and the
+    function has two identical parameters, which are separated by a
+    unique parameter name
+flags: [noStrict]
+---*/
+
+
+assert.throws(SyntaxError, function() {
+            eval("'use strict'; var _13_1_31_fun = function (param1, param2, param1) { };");
+});
+
+reportCompare(0, 0);