1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/types/reference/S8.7_A4.js b/js/src/tests/test262/language/types/reference/S8.7_A4.js
new file mode 100644
index 0000000000..a63097b949
--- /dev/null
+++ b/js/src/tests/test262/language/types/reference/S8.7_A4.js
@@ -0,0 +1,32 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    Object Modification Resulting in a New Object for Not a Self-Modified
+    Object leads to loss of integrity
+es5id: 8.7_A4
+description: >
+    Create a reference to the string, and Concatenate some new text
+    onto the string object
+---*/
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#
+// Set item equal to a new string object
+var item = new String("test");
+// itemRef now refers to the same string object
+var itemRef = item;
+// Concatenate some new text onto the string object
+// NOTE: This creates a new object, and does not modify
+// the original object.
+item += "ing";
+// The values of item and itemRef are NOT equal, as a whole
+// new string object has been created
+if( item == itemRef ){
+  throw new Test262Error('#1: var item = new String("test"); var itemRef = item; item += "ing"; item != itemRef');
+};
+//
+//////////////////////////////////////////////////////////////////////////////
+
+reportCompare(0, 0);