svoid test_LineCompCompressor() {
  Random random = predictableRandomizer();
  LS lines = repF(10, () -> makeRandomID(10, random));
  SS data = new LinkedHashMap;
  for i to 100:
    data.put("v" + (i+1), lines(repF(10, () -> random(lines))));
  test_LineCompCompressor(data);
}

static LineCompCompressor test_LineCompCompressor(SS data) {
  pnlStruct(data);
  LineCompCompressor lcc = new(data);
  test_LineCompCompressor(lcc);
  ret lcc;
}

svoid test_LineCompCompressor(LineCompCompressor lcc) {
  lcc.verify = lcc.verbose = true;
  lcc.run();
  print(lcc.asText());
}