1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-8-a-1.js b/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-8-a-1.js
new file mode 100644
index 0000000000..842ce1212e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-8-a-1.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.
+
+/*---
+esid: sec-array.prototype.lastindexof
+description: >
+    Array.prototype.lastIndexOf - added properties in step 2 are
+    visible here
+---*/
+
+var arr = {};
+
+Object.defineProperty(arr, "length", {
+  get: function() {
+    arr[2] = "length";
+    return 3;
+  },
+  configurable: true
+});
+
+assert.sameValue(Array.prototype.lastIndexOf.call(arr, "length"), 2, 'Array.prototype.lastIndexOf.call(arr, "length")');
+
+reportCompare(0, 0);