1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Number/S9.3.1_A13.js b/js/src/tests/test262/built-ins/Number/S9.3.1_A13.js
new file mode 100644
index 0000000000..75eff28871
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Number/S9.3.1_A13.js
@@ -0,0 +1,29 @@
+// 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 DecimalDigits ::: DecimalDigits DecimalDigit is
+    (the MV of DecimalDigits times 10) plus the MV of DecimalDigit
+es5id: 9.3.1_A13
+description: Compare '12' with Number("1")*10+Number("2") and analogous
+---*/
+assert.sameValue(
+  +("12"),
+  12,
+  'The value of `+("12")` is expected to be 12'
+);
+
+assert.sameValue(
+  Number("123"),
+  123,
+  'Number("123") must return 123'
+);
+
+assert.sameValue(
+  Number("1234"),
+  1234,
+  'Number("1234") must return 1234'
+);
+
+reportCompare(0, 0);