input {
  arg s {
    default ="tofu,tempeh,kale,edamame"
  }
}
scenario "test functions with strings" {
  when "do the operations" {
    set elements {
      value = split(s,",")
    }
    print {
      msg = elements[_.index]
      while = _.index < len(elements)
    }
  }
  then "check results"{
    assert {
      assertion = (
        len(elements)==4 &&
        elements[0]=="tofu" && elements[1]=="tempeh" &&
        elements[2]=="kale" && elements[3]=="edamame"
      )
    }
  }
}