FormElement form = ((FormElement) doc.select("form").first());
Connection con = form.submit();
assertEquals(Connection.Method.GET, con.request().method());
assertEquals("http://example.com/search", con.request().url().toExternalForm());
List<Connection.KeyVal> dataList = (List<Connection.KeyVal>) con.request().data();
assertEquals("q=jsoup", dataList.get(0).toString());
doc.select("form").attr("method", "post");
Connection con2 = form.submit();
assertEquals(Connection.Method.POST, con2.request().method());