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diff --git a/test/suite/intl402/ch09/9.2/9.2.6_4.js b/test/suite/intl402/ch09/9.2/9.2.6_4.js
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+++ b/test/suite/intl402/ch09/9.2/9.2.6_4.js
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+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * @description Tests that LookupSupportedLocales returns an empty list when
+ *     given an empty list.
+ * @author Norbert Lindenberg
+ */
+
+$INCLUDE("testIntl.js");
+
+testWithIntlConstructors(function (Constructor) {
+    // this test should work equally for both matching algorithms
+    ["lookup", "best fit"].forEach(function (matcher) {
+        var supported = Constructor.supportedLocalesOf([], {localeMatcher: matcher});
+        if (supported.length !== 0) {
+            $ERROR("SupportedLocales with matcher " + matcher + " returned a non-empty list for an empty list.");
+        }
+    });
+
+    return true;
+});
+