1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/undefined/15.1.1.3-2-strict.js b/js/src/tests/test262/built-ins/undefined/15.1.1.3-2-strict.js
new file mode 100644
index 0000000000..aee4796cbe
--- /dev/null
+++ b/js/src/tests/test262/built-ins/undefined/15.1.1.3-2-strict.js
@@ -0,0 +1,19 @@
+'use strict';
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-undefined
+description: undefined is not writable, should throw TypeError in strict mode
+flags: [onlyStrict]
+---*/
+
+var global = this;
+
+assert.throws(TypeError, function() {
+  global["undefined"] = 5; // Should throw a TypeError as per 8.12.5
+});
+assert.sameValue(global["undefined"], void 0);
+assert.sameValue(undefined, void 0);
+
+reportCompare(0, 0);