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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_kueeibbtp2pdbnaj1uiu59kiga, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
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<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
svoid test_LongTreeSet() {
  LS list = repF(1000, () -> randomLong());
  Set<Long> set = asTreeSet(list);
  LongTreeSet cset = new(set);
  print(set);
  print(cset);
  assertEquals(asList(set), asList(cset));
  assertEqualsVerbose(l(set), cset.size());
  
  for (Long a : shuffledIterator(list)) {
    set.remove(a);
    cset.remove(a);
    assertEquals(asList(set), asList(cset));
    assertEqualsVerbose(l(set), cset.size());
  }
}