mylocale = null;
mylocale2 = null;
JaxRsHandler handler = HandlerCreator.getHandler(MyResource.class);
RequestImpl request = new RequestImpl();
RequestURIImpl uri = new RequestURIImpl();
uri.setPath("/");
String[] headervalues = new String[1];
// set a RFC 1766 language tag that can't be converted to a Locale
headervalues[0] = "i-klingon";
request.setHeader(HeaderName.ACCEPT_LANGUAGE, headervalues);
request.setRequestURI(uri);
request.setMethod(Method.GET);
Response response = new ResponseImpl();
handler.handle(request, response);
assertEquals(mylocale, null);
assertEquals(mylocale2, null);