1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-5-26.js b/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-5-26.js
new file mode 100644
index 0000000000..99f034bb86
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-5-26.js
@@ -0,0 +1,38 @@
+// 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 2 are
+    visible when an exception occurs
+---*/
+
+var stepTwoOccurs = false;
+var stepFiveOccurs = false;
+var obj = {};
+
+Object.defineProperty(obj, "length", {
+  get: function() {
+    stepTwoOccurs = 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(stepTwoOccurs, 'stepTwoOccurs !== true');
+assert(stepFiveOccurs, 'stepFiveOccurs !== true');
+
+reportCompare(0, 0);