1 files changed, 50 insertions, 0 deletions
diff --git a/test/built-ins/String/prototype/constructor/S15.5.4.1_A1_T2.js b/test/built-ins/String/prototype/constructor/S15.5.4.1_A1_T2.js
new file mode 100644
index 000000000..62709d537
--- /dev/null
+++ b/test/built-ins/String/prototype/constructor/S15.5.4.1_A1_T2.js
@@ -0,0 +1,50 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: >
+    The initial value of String.prototype.constructor is the built-in String
+    constructor
+es5id: 15.5.4.1_A1_T2
+description: Create new String.prototype.constructor object and check it
+---*/
+
+var __constr = String.prototype.constructor;
+
+var __instance = new __constr("choosing one");
+
+//////////////////////////////////////////////////////////////////////////////
+// CHECK#0
+if (__instance !="choosing one") {
+  $ERROR('#0: __constr = String.prototype.constructor; __instance = new __constr("choosing one"); __instance =="choosing one". Actual: __instance =='+__instance ); 
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+// CHECK#1
+if (__instance.constructor !== String) {
+  $ERROR('#1: __constr = String.prototype.constructor; __instance = new __constr("choosing one"); __instance.constructor === String. Actual: __instance.constructor ==='+__instance.constructor ); 
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+// CHECK#2
+if (!(String.prototype.isPrototypeOf(__instance))) {
+  $ERROR('#2: __constr = String.prototype.constructor; __instance = new __constr("choosing one"); String.prototype.isPrototypeOf(__instance) return true. Actual: '+String.prototype.isPrototypeOf(__instance)); 
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+// CHECK#3
+var __to_string_result = '[object '+ 'String' +']';
+
+delete String.prototype.toString;
+
+if (__instance.toString() !== __to_string_result) {
+  $ERROR('#3: __constr = String.prototype.constructor; __instance = new __constr("choosing one"); delete String.prototype.toString; __instance.toString() === __to_string_result. Actual: __instance.toString() ==='+__instance.toString()+' __to_string_result ==='+__to_string_result ); 
+}
+//
+//////////////////////////////////////////////////////////////////////////////