src/test/scripts/functions/misc/FunPotpourriListHandling.dml

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add_and_return = function(Int i_old, List[String] l_old)
  return(Int i, List[String] l)
{
  i = i_old + 1
  if (TRUE)
    l = append(l_old, toString(i))
  else
    l = append(l_old, toString(i))
}

# Works!
init = function() return(Int i, List[String] l) {i=0; l=list();}
[test_i, test_l] = init()

[test_i, test_l] = add_and_return(test_i, test_l)
[test_i, test_l] = add_and_return(test_i, test_l)
[test_i, test_l] = add_and_return(test_i, test_l)

#while(FALSE){} # cut

# Does not work!
test_fail_i = 0
test_fail_l = list()
[test_fail_i, test_fail_l] = add_and_return(test_fail_i, test_fail_l)
[test_fail_i, test_fail_l] = add_and_return(test_fail_i, test_fail_l)
[test_fail_i, test_fail_l] = add_and_return(test_fail_i, test_fail_l)

if( test_i != test_fail_i )
  print("test_i discrepancy: "+test_i+" vs "+test_fail_i);

if( toString(test_l) != toString(test_fail_l) )
  print("test_l discrepancy: "+toString(test_l)+" vs "+toString(test_fail_l));