1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/indexOf/S15.5.4.7_A1_T4.js b/js/src/tests/test262/built-ins/String/prototype/indexOf/S15.5.4.7_A1_T4.js
new file mode 100644
index 0000000000..f569552206
--- /dev/null
+++ b/js/src/tests/test262/built-ins/String/prototype/indexOf/S15.5.4.7_A1_T4.js
@@ -0,0 +1,21 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: String.prototype.indexOf(searchString, position)
+es5id: 15.5.4.7_A1_T4
+description: >
+    Call indexOf(searchString, position) function without arguments of
+    string
+---*/
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+//since ToString() evaluates to "" indexOf() evaluates to indexOf("",0)
+if ("".indexOf() !== -1) {
+  throw new Test262Error('#1: "".indexOf() === -1. Actual: ' + ("".indexOf()));
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+reportCompare(0, 0);