1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/lastIndexOf/S15.5.4.8_A1_T12.js b/js/src/tests/test262/built-ins/String/prototype/lastIndexOf/S15.5.4.8_A1_T12.js
new file mode 100644
index 0000000000..eff60d1894
--- /dev/null
+++ b/js/src/tests/test262/built-ins/String/prototype/lastIndexOf/S15.5.4.8_A1_T12.js
@@ -0,0 +1,28 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: String.prototype.lastIndexOf(searchString, position)
+es5id: 15.5.4.8_A1_T12
+description: Argument is string, and instance is array of strings
+---*/
+
+var __instance = new Array('new', 'zoo', 'revue');
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if (__instance.lastIndexOf('new') !== 0) {
+  throw new Test262Error('#1: __instance = new Array(\'new\',\'zoo\',\'revue\'); __instance.lastIndexOf(\'new\') === 0. Actual: ' + __instance.lastIndexOf('new'));
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if (__instance.lastIndexOf('zoo') !== 1) {
+  throw new Test262Error('#2: __instance = new Array(\'new\',\'zoo\',\'revue\'); __instance.lastIndexOf(\'zoo\') === 1. Actual: ' + __instance.lastIndexOf('zoo'));
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+reportCompare(0, 0);