diff -r 000000000000 -r 6474c204b198 js/src/tests/test262/ch12/12.13/S12.13_A3_T3.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/test262/ch12/12.13/S12.13_A3_T3.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,92 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * 1. Evaluate Expression
+ *
+ * @path ch12/12.13/S12.13_A3_T3.js
+ * @description Evaluating number expression
+ */
+
+// CHECK#1
+try{
+  throw 10+3;
+}
+catch(e){
+  if (e!==13) $ERROR('#1: Exception ===13(operaton +). Actual:  Exception ==='+ e);
+}
+
+// CHECK#2
+var b=10;
+var a=3;
+try{
+  throw a+b;
+}
+catch(e){
+  if (e!==13) $ERROR('#2: Exception ===13(operaton +). Actual:  Exception ==='+ e);
+}
+
+// CHECK#3
+try{
+  throw 3.15-1.02;
+}
+catch(e){
+  if (e!==2.13) $ERROR('#3: Exception ===2.13(operaton -). Actual:  Exception ==='+ e);
+}
+
+// CHECK#4
+try{
+  throw 2*2;
+}
+catch(e){
+  if (e!==4) $ERROR('#4: Exception ===4(operaton *). Actual:  Exception ==='+ e);
+}
+
+// CHECK#5
+try{
+  throw 1+Infinity;
+}
+catch(e){
+  if (e!==+Infinity) $ERROR('#5: Exception ===+Infinity(operaton +). Actual:  Exception ==='+ e);
+}
+
+// CHECK#6
+try{
+  throw 1-Infinity;
+}
+catch(e){
+  if (e!==-Infinity) $ERROR('#6: Exception ===-Infinity(operaton -). Actual:  Exception ==='+ e);
+}
+
+// CHECK#7
+try{
+  throw 10/5;
+}
+catch(e){
+  if (e!==2) $ERROR('#7: Exception ===2(operaton /). Actual:  Exception ==='+ e);
+}
+
+// CHECK#8
+try{
+  throw 8>>2;
+}
+catch(e){
+  if (e!==2) $ERROR('#8: Exception ===2(operaton >>). Actual:  Exception ==='+ e);
+}
+
+// CHECK#9
+try{
+  throw 2<<2;
+}
+catch(e){
+  if (e!==8) $ERROR('#9: Exception ===8(operaton <<). Actual:  Exception ==='+ e);
+}
+
+// CHECK#10
+try{
+  throw 123%100;
+}
+catch(e){
+  if (e!==23) $ERROR('#10: Exception ===23(operaton %). Actual:  Exception ==='+ e);
+}
+