diff -r 000000000000 -r 6474c204b198 js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_T2.5.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A3.1_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), if Type(Primitive(x)) is not String or Type(Primitive(y)) is not String
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A3.1_T2.5.js
+ * @description Type(Primitive(x)) is different from Type(Primitive(y)) and both types vary between String (primitive or object) and Boolean (primitive and object)
+ */
+
+//CHECK#1
+if (true <= "1" !== true) {
+  $ERROR('#1: true <= "1" === true');
+}
+
+//CHECK#2
+if ("1" <= true !== true) {
+  $ERROR('#2: "1" <= true === true');
+}
+
+//CHECK#3
+if (new Boolean(true) <= "1" !== true) {
+  $ERROR('#3: new Boolean(true) <= "1" === true');
+}
+
+//CHECK#4
+if ("1" <= new Boolean(true) !== true) {
+  $ERROR('#4: "1" <= new Boolean(true) === true');
+}
+
+//CHECK#5
+if (true <= new String("1") !== true) {
+  $ERROR('#5: true <= new String("1") === true');
+}
+
+//CHECK#6
+if (new String("1") <= true !== true) {
+  $ERROR('#6: new String("1") <= true === true');
+}
+
+//CHECK#7
+if (new Boolean(true) <= new String("1") !== true) {
+  $ERROR('#7: new Boolean(true) <= new String("1") === true');
+}
+
+//CHECK#8
+if (new String("1") <= new Boolean(true) !== true) {
+  $ERROR('#8: new String("1") <= new Boolean(true) === true');
+}
+