diff -r 000000000000 -r 6474c204b198 js/src/tests/test262/ch11/11.7/11.7.1/S11.7.1_A3_T2.5.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/test262/ch11/11.7/11.7.1/S11.7.1_A3_T2.5.js	Wed Dec 31 06:09:35 2014 +0100
@@ -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.
+
+/**
+ * Operator x << y returns ToNumber(x) << ToNumber(y)
+ *
+ * @path ch11/11.7/11.7.1/S11.7.1_A3_T2.5.js
+ * @description Type(x) is different from Type(y) and both types vary between String (primitive or object) or Boolean (primitive and object)
+ */
+
+//CHECK#1
+if (true << "1" !== 2) {
+  $ERROR('#1: true << "1" === 2. Actual: ' + (true << "1"));
+}
+
+//CHECK#2
+if ("1" << true !== 2) {
+  $ERROR('#2: "1" << true === 2. Actual: ' + ("1" << true));
+}
+
+//CHECK#3
+if (new Boolean(true) << "1" !== 2) {
+  $ERROR('#3: new Boolean(true) << "1" === 2. Actual: ' + (new Boolean(true) << "1"));
+}
+
+//CHECK#4
+if ("1" << new Boolean(true) !== 2) {
+  $ERROR('#4: "1" << new Boolean(true) === 2. Actual: ' + ("1" << new Boolean(true)));
+}
+
+//CHECK#5
+if (true << new String("1") !== 2) {
+  $ERROR('#5: true << new String("1") === 2. Actual: ' + (true << new String("1")));
+}
+
+//CHECK#6
+if (new String("1") << true !== 2) {
+  $ERROR('#6: new String("1") << true === 2. Actual: ' + (new String("1") << true));
+}
+
+//CHECK#7
+if (new Boolean(true) << new String("1") !== 2) {
+  $ERROR('#7: new Boolean(true) << new String("1") === 2. Actual: ' + (new Boolean(true) << new String("1")));
+}
+
+//CHECK#8
+if (new String("1") << new Boolean(true) !== 2) {
+  $ERROR('#8: new String("1") << new Boolean(true) === 2. Actual: ' + (new String("1") << new Boolean(true)));
+}
+