1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/supportedLocalesOf-default-locale-and-zxx-locale.js b/js/src/tests/test262/intl402/supportedLocalesOf-default-locale-and-zxx-locale.js
new file mode 100644
index 0000000000..456c669f5f
--- /dev/null
+++ b/js/src/tests/test262/intl402/supportedLocalesOf-default-locale-and-zxx-locale.js
@@ -0,0 +1,26 @@
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 9.2.6_4_c
+description: >
+    Tests that LookupSupportedLocales includes the default locale  and
+    doesn't include the "no linguistic content" locale.
+author: Norbert Lindenberg
+includes: [testIntl.js]
+---*/
+
+testWithIntlConstructors(function (Constructor) {
+    // this test should work equally for both matching algorithms
+    ["lookup", "best fit"].forEach(function (matcher) {
+        var defaultLocale = new Constructor().resolvedOptions().locale;
+        var noLinguisticContent = "zxx";
+        var supported = Constructor.supportedLocalesOf([defaultLocale, noLinguisticContent],
+            {localeMatcher: matcher});
+        assert.notSameValue(supported.indexOf(defaultLocale), -1, "SupportedLocales didn't return default locale with matcher " + matcher + ".");
+        assert.sameValue(supported.indexOf(noLinguisticContent), -1, "SupportedLocales returned the \"no linguistic content\" locale with matcher " + matcher + ".");
+        assert.sameValue(supported.length > 1, false, "SupportedLocales returned stray locales: " + supported.join(", ") + " with matcher " + matcher + ".");
+    });
+});
+
+reportCompare(0, 0);