1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-5-27.js b/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-5-27.js
new file mode 100644
index 0000000000..446fa542ca
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-5-27.js
@@ -0,0 +1,43 @@
+// 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 - side effects produced by step 3 are
+    visible when an exception occurs
+---*/
+
+var stepThreeOccurs = false;
+var stepFiveOccurs = false;
+
+var obj = {};
+
+Object.defineProperty(obj, "length", {
+  get: function() {
+    return {
+      valueOf: function() {
+        stepThreeOccurs = true;
+        if (stepFiveOccurs) {
+          throw new Error("Step 5 occurred out of order");
+        }
+        return 20;
+      }
+    };
+  },
+  configurable: true
+});
+
+var fromIndex = {
+  valueOf: function() {
+    stepFiveOccurs = true;
+    return 0;
+  }
+};
+
+Array.prototype.lastIndexOf.call(obj, undefined, fromIndex);
+
+assert(stepThreeOccurs, 'stepThreeOccurs !== true');
+assert(stepFiveOccurs, 'stepFiveOccurs !== true');
+
+reportCompare(0, 0);