1 files changed, 22 insertions, 0 deletions
diff --git a/test/suite/intl402/ch06/6.4/6.4_a.js b/test/suite/intl402/ch06/6.4/6.4_a.js
new file mode 100644
index 000000000..05202353c
--- /dev/null
+++ b/test/suite/intl402/ch06/6.4/6.4_a.js
@@ -0,0 +1,22 @@
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * @description Tests that valid time zone names are accepted.
+ * @author Norbert Lindenberg
+ */
+
+var validTimeZoneNames = [
+    "UTC",
+    "utc" // time zone names are case-insensitive
+];
+
+validTimeZoneNames.forEach(function (name) {
+    // this must not throw an exception for a valid time zone name
+    var format = new Intl.DateTimeFormat(["de-de"], {timeZone: name});
+    if (format.resolvedOptions().timeZone !== name.toUpperCase()) {
+        $ERROR("Time zone name " + name + " was not correctly accepted; turned into " +
+            format.resolvedOptions().timeZone + ".");
+    }
+});
+