1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Number/S9.3.1_A31.js b/js/src/tests/test262/built-ins/Number/S9.3.1_A31.js
new file mode 100644
index 0000000000..227a67f648
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Number/S9.3.1_A31.js
@@ -0,0 +1,32 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "The MV of HexDigit ::: f or of HexDigit ::: F is 15"
+es5id: 9.3.1_A31
+description: >
+    Compare Number('0xF'), Number('0XF'), Number('0xf') and
+    Number('0Xf') with 15
+---*/
+
+// CHECK#1
+if (Number("0xf") !== 15) {
+  $ERROR('#1: Number("0xf") === 15. Actual: ' + (Number("0xf")));
+}
+
+// CHECK#2
+if (Number("0xF") !== 15) {
+  $ERROR('#2: Number("0xF") === 15. Actual: ' + (Number("0xF")));
+}
+
+// CHECK#3
+if (+("0Xf") !== 15) {
+  $ERROR('#3: +("0Xf") === 15. Actual: ' + (+("0Xf")));
+}
+
+// CHECK#4
+if (Number("0XF") !== 15) {
+  $ERROR('#4: Number("0XF") === 15. Actual: ' + (Number("0XF")));
+}
+
+reportCompare(0, 0);