1 files changed, 24 insertions, 0 deletions
diff --git a/test/built-ins/String/prototype/substring/S15.5.4.15_A1_T2.js b/test/built-ins/String/prototype/substring/S15.5.4.15_A1_T2.js
new file mode 100644
index 000000000..21abf6d49
--- /dev/null
+++ b/test/built-ins/String/prototype/substring/S15.5.4.15_A1_T2.js
@@ -0,0 +1,24 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: String.prototype.substring (start, end)
+es5id: 15.5.4.15_A1_T2
+description: >
+    Arguments are function call and x, and instance is Boolean. x is
+    undefined variable
+---*/
+
+var __instance = new Boolean;
+
+__instance.substring = String.prototype.substring;
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if (__instance.substring(function(){return true;}(),x) !== "alse") {
+  $ERROR('#1: var x; __instance = new Boolean; __instance.substring = String.prototype.substring;  __instance.substring(function(){return true;}(),x) === "alse". Actual: '+__instance.substring(function(){return true;}(),x) );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+var x;