src/test/scripts/component/misc/InputVariableOverwriteTest.dml

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/*
 * This script tests the correct memory management with function
 * calls that have lists as input and output where the output 
 * list object overwrites the input list object since they are
 * bound to the same variable name and contain mutual 
 * elements.
 */

# initialize some variables
some_matrix = matrix(112, rows=2, cols=2)
some_list = list(some_matrix)

# update the list
some_list = some_function(some_list, 3)

# try to access matrix of list
print(toString(as.matrix(some_list[1])))


some_function = function(list[unknown] just_a_list, int l)
  return (list[unknown] also_a_list) {
  # add an element to list
  count = 0
  for (i in 1:l) {
      count += 1
  }
  other_matrix = matrix(count, rows=1, cols=3)

  also_a_list = append(just_a_list, other_matrix)
}