class TestCase::Seqop {
  static method seqop : int () {
    {
      my $ret = (1, 2, 3);
      unless ($ret == 3) {
        return 0;
      }
    }

    {
      my $x = 1;
      my $y = 2;
    
      my $ret = ($x += 2, $x + $y);
      unless ($x == 3 && $y == 2 && $ret == 5) {
        return 0;
      }
    }
    return 1;
  }
}