diff -r 000000000000 -r 6474c204b198 js/src/tests/test262/ch11/11.8/11.8.3/S11.8.3_A4.9.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_A4.9.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,52 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * If x is less or equal than y and these values are both finite non-zero, return true; otherwise, return false
+ *
+ * @path ch11/11.8/11.8.3/S11.8.3_A4.9.js
+ * @description x and y are number primitives
+ */
+
+//CHECK#1
+if ((1.1 <= 1) !== false) {
+  $ERROR('#1: (1.1 <= 1) === false');
+}
+
+//CHECK#2
+if ((1 <= 1.1) !== true) {
+  $ERROR('#2: (1 <= 1.1) === true');
+}
+
+//CHECK#3
+if ((-1.1 <= -1) !== true) {
+  $ERROR('#3: (-1.1 <= -1) === true');
+}
+
+//CHECK#4
+if ((-1 <= -1.1) !== false) {
+  $ERROR('#4: (-1 <= -1.1) === false');
+}
+
+//CHECK#5
+if ((0 <= 0.1) !== true) {
+  $ERROR('#5: (0 <= 0.1) === true');
+}
+
+//CHECK#6
+if ((-0.1 <= 0) !== true) {
+  $ERROR('#6: (-0.1 <= 0) === true');
+}
+
+//CHECK#7
+if ((Number.MAX_VALUE/2 <= Number.MAX_VALUE) !== true) {
+  $ERROR('#7: (Number.MAX_VALUE/2 <= Number.MAX_VALUE) === true');
+}
+
+//CHECK#8
+if ((Number.MIN_VALUE <= Number.MIN_VALUE*2) !== true) {
+  $ERROR('#8: (Number.MIN_VALUE <= Number.MIN_VALUE*2) === true');
+}
+
+
+