diff -r 000000000000 -r 6474c204b198 js/src/tests/test262/ch12/12.10/S12.10_A4_T1.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/test262/ch12/12.10/S12.10_A4_T1.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,33 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * Changing property using "eval" statement containing "with" statement
+ *
+ * @path ch12/12.10/S12.10_A4_T1.js
+ * @description Changing string property
+ * @noStrict
+ */
+
+this.p1 = 1;
+var myObj = {
+  p1: 'a', 
+}
+eval("with(myObj){p1='b'}");
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if(myObj.p1 !== 'b'){
+  $ERROR('#1: myObj.p1 === "b". Actual:  myObj.p1 ==='+ myObj.p1  );
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+if(myObj.p1 === 1){
+  $ERROR('#2: myObj.p1 !== 1');
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+