= ResourceBundle.getBundle("util.I18nTest", Locale.GERMANY);
ResourceBundleAsMap rbm = new ResourceBundleAsMap(bundle);
SegmentedMap segmap = new SegmentedMap(rbm);
Set keyList1 = segmap.keySet("telekom");
Set keyList2 = segmap.keySet("telekom");
Set keyList3 = segmap.keySet("danet");
Set keyList4 = segmap.keySet("telekom.t-data");
// Verfiy that keylist1 matches keylist2
assertTrue(keyList1.equals(keyList2));
// Verfiy that keylist1 doesn't match keylist3
assertTrue(!(keyList1.equals(keyList3)));