1 files changed, 18 insertions, 0 deletions
diff --git a/test/built-ins/String/prototype/substring/S15.5.4.15_A2_T9.js b/test/built-ins/String/prototype/substring/S15.5.4.15_A2_T9.js
new file mode 100644
index 000000000..4ba78e6d7
--- /dev/null
+++ b/test/built-ins/String/prototype/substring/S15.5.4.15_A2_T9.js
@@ -0,0 +1,18 @@
+// 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) returns a string value(not object)
+es5id: 15.5.4.15_A2_T9
+description: start is -Infinity, end is -Infinity
+---*/
+
+var __string = new String("this is a string object");
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if (__string.substring(-Infinity, -Infinity) !== "") {
+  $ERROR('#1: __string = new String("this is a string object"); __string.substring(-Infinity, -Infinity) === "". Actual: '+__string.substring(-Infinity, -Infinity) );
+}
+//
+//////////////////////////////////////////////////////////////////////////////