diff -r 000000000000 -r 6474c204b198 js/src/tests/test262/ch11/11.5/11.5.1/S11.5.1_A4_T2.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/test262/ch11/11.5/11.5.1/S11.5.1_A4_T2.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,66 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * The result of a floating-point multiplication is governed by the rules of IEEE 754 double-precision arithmetics
+ *
+ * @path ch11/11.5/11.5.1/S11.5.1_A4_T2.js
+ * @description The sign of the result is positive if both operands have the same sign, negative if the operands have different signs
+ */
+
+//CHECK#1
+if (1 * 1 !== 1) {
+  $ERROR('#1: 1 * 1 === 1. Actual: ' + (1 * 1));
+}
+
+//CHECK#2
+if (1 * -1 !== -1) {
+  $ERROR('#2: 1 * -1 === -1. Actual: ' + (1 * -1));
+}
+
+//CHECK#3
+if (-1 * 1 !== -1) {
+  $ERROR('#3: -1 * 1 === -1. Actual: ' + (-1 * 1));
+}
+
+//CHECK#4
+if (-1 * -1 !== 1) {
+  $ERROR('#4: -1 * -1 === 1. Actual: ' + (-1 * -1));
+}
+
+//CHECK#5
+if (0 * 0 !== 0) {
+  $ERROR('#5.1: 0 * 0 === 0. Actual: ' + (0 * 0));
+} else {
+  if (1 / (0 * 0) !== Number.POSITIVE_INFINITY) {
+    $ERROR('#5.2: 0 * 0 === + 0. Actual: -0');
+  }
+}
+
+//CHECK#6
+if (0 * -0 !== -0) {
+  $ERROR('#6.1: 0 * -0 === 0. Actual: ' + (0 * -0));
+} else {
+  if (1 / (0 * -0) !== Number.NEGATIVE_INFINITY) {
+    $ERROR('#6.2: 0 * -0 === - 0. Actual: +0');
+  }
+}
+
+//CHECK#7
+if (-0 * 0 !== -0) {
+  $ERROR('#7.1: -0 * 0 === 0. Actual: ' + (-0 * 0));
+} else {
+  if (1 / (-0 * 0) !== Number.NEGATIVE_INFINITY) {
+    $ERROR('#7.2: -0 * 0 === - 0. Actual: +0');
+  }
+}
+
+//CHECK#8
+if (-0 * -0 !== 0) {
+  $ERROR('#8.1: -0 * -0 === 0. Actual: ' + (-0 * -0));
+} else {
+  if (1 / (-0 * -0) !== Number.POSITIVE_INFINITY) {
+    $ERROR('#8.2: 0 * -0 === - 0. Actual: +0');
+  }
+}
+