final BufferedReader reader = new BufferedReader(new StringReader(file));
final String[] header = reader.readLine().split("\t");
final Chunker chunker = new Chunker(reader, '\t');
readLine(header, chunker, "FOO", "42");
readLine(header, chunker, "", "42");
assertEquals(Chunker.EOF,chunker.nextWord());
}
private void readLine(String[] header, Chunker st, Object...values) throws IOException {
long from = Long.parseLong(st.nextWord());
assertEquals(1,from);