1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Number/S9.3.1_A28.js b/js/src/tests/test262/built-ins/Number/S9.3.1_A28.js
new file mode 100644
index 0000000000..788a12d4f7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Number/S9.3.1_A28.js
@@ -0,0 +1,16 @@
+// 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 ::: c or of HexDigit ::: C is 12"
+es5id: 9.3.1_A28
+description: >
+    Compare Number('0xC'), Number('0XC'), Number('0xc') and
+    Number('0Xc') with 12
+---*/
+assert.sameValue(Number("0xc"), 12, 'Number("0xc") must return 12');
+assert.sameValue(+("0xC"), 12, 'The value of `+("0xC")` is expected to be 12');
+assert.sameValue(Number("0Xc"), 12, 'Number("0Xc") must return 12');
+assert.sameValue(Number("0XC"), 12, 'Number("0XC") must return 12');
+
+reportCompare(0, 0);