1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/15.5.5.5.2-3-6.js b/js/src/tests/test262/built-ins/String/15.5.5.5.2-3-6.js
new file mode 100644
index 0000000000..59c12ba166
--- /dev/null
+++ b/js/src/tests/test262/built-ins/String/15.5.5.5.2-3-6.js
@@ -0,0 +1,18 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    15.5.5.2 defines [[GetOwnProperty]] for Strings. It supports using indexing
+    notation to look up non numeric property names.
+es5id: 15.5.5.5.2-3-6
+description: >
+    String value indexing returns undefined if the numeric index (NaN)
+    is not an array index
+---*/
+
+var s = String("hello world");
+
+assert.sameValue(s[NaN], undefined, 's[NaN]');
+
+reportCompare(0, 0);