new Locale("vi", ""));
logln("VI sort:");
CollationKey expectingKey = vi_vi.getCollationKey(cases[0][0]);
for (int j=1; j<cases[0].length; j++) {
CollationKey key = vi_vi.getCollationKey(cases[0][j]);
if ( key.compareTo(expectingKey)!=0) {
// TODO (claireho): change the logln to errln after vi.res is up-to-date.
// errln("source:" + key.getSourceString());
// errln("expecting:"+prettify(expectingKey)+ "got:"+ prettify(key));
logln("Error!! in Vietnese sort - source:" + key.getSourceString());
logln("expecting:"+prettify(expectingKey)+ "got:"+ prettify(key));