1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Number/S9.3.1_A21.js b/js/src/tests/test262/built-ins/Number/S9.3.1_A21.js
new file mode 100644
index 0000000000..3318dbc3d9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Number/S9.3.1_A21.js
@@ -0,0 +1,25 @@
+// 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 DecimalDigit ::: 5 or of HexDigit ::: 5 is 5"
+es5id: 9.3.1_A21
+description: Compare Number('0x5') and Number('0X5') with 5
+---*/
+
+// CHECK#1
+if (+("5") !== 5) {
+  $ERROR('#1: +("5") === 5. Actual: ' + (+("5")));
+}
+
+// CHECK#2
+if (Number("0x5") !== 5) {
+  $ERROR('#2: Number("0x5") === 5. Actual: ' + (Number("0x5")));
+}
+
+// CHECK#3
+if (Number("0X5") !== 5) {
+  $ERROR('#3: Number("0X5") === 5. Actual: ' + (Number("0X5")));
+}
+
+reportCompare(0, 0);