diff -r 000000000000 -r 6474c204b198 js/src/tests/test262/ch12/12.13/S12.13_A2_T5.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/test262/ch12/12.13/S12.13_A2_T5.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,75 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * "throw Expression" returns (throw, GetValue(Result(1)), empty), where 1 evaluates Expression
+ *
+ * @path ch12/12.13/S12.13_A2_T5.js
+ * @description Throwing number
+ */
+
+// CHECK#1
+try{
+  throw 13;
+}
+catch(e){
+  if (e!==13) $ERROR('#1: Exception ===13. Actual:  Exception ==='+ e );
+}
+
+// CHECK#2
+var b=13;
+try{
+  throw b;
+}
+catch(e){
+  if (e!==13) $ERROR('#2: Exception ===13. Actual:  Exception ==='+ e );
+}
+
+// CHECK#3
+try{
+  throw 2.13;
+}
+catch(e){
+  if (e!==2.13) $ERROR('#3: Exception ===2.13. Actual:  Exception ==='+ e );
+}
+
+// CHECK#4
+try{
+  throw NaN;
+}
+catch(e){
+  if (!isNaN(e)) $ERROR('#4: Exception is NaN');
+}
+
+// CHECK#5
+try{
+  throw +Infinity;
+}
+catch(e){
+  if (e!==+Infinity) $ERROR('#5: Exception ===+Infinity. Actual:  Exception ==='+ e );
+}
+
+// CHECK#6
+try{
+  throw -Infinity;
+}
+catch(e){
+  if (e!==-Infinity) $ERROR('#6: Exception ===-Infinity. Actual:  Exception ==='+ e );
+}
+
+// CHECK#7
+try{
+  throw +0;
+}
+catch(e){
+  if (e!==+0) $ERROR('#7: Exception ===+0. Actual:  Exception ==='+ e );
+}
+
+// CHECK#8
+try{
+  throw -0;
+}
+catch(e){
+  if (e!==-0) $ERROR('#8: Exception ===-0. Actual:  Exception ==='+ e );
+}
+