1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-1-5.js b/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-1-5.js
new file mode 100644
index 0000000000..d2432b9b22
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-1-5.js
@@ -0,0 +1,14 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.lastindexof
+description: Array.prototype.lastIndexOf applied to number primitive
+---*/
+
+Number.prototype[1] = isNaN;
+Number.prototype.length = 2;
+
+assert.sameValue(Array.prototype.lastIndexOf.call(5, isNaN), 1, 'Array.prototype.lastIndexOf.call(5, isNaN)');
+
+reportCompare(0, 0);