#!/usr/bin/env bash

set -e

[[ $DEBUG ]] && set -x

test_ex17-ec() {
  local testdb=$(mktemp /var/tmp/XXXXXXX.dat)
  trap "rm ${testdb}" EXIT INT TERM
  ./ex17-ec "${testdb}" c
  ./ex17-ec "${testdb}" l &>/dev/null
  ./ex17-ec "${testdb}" s 1 nancy pwnr@dungeon.info "Dark corner"
  ./ex17-ec "${testdb}" s 2 fran eagleeye16@hotmail.com "Falcon's nest"
  ./ex17-ec "${testdb}" l &>/dev/null
  ./ex17-ec "${testdb}" d 1
  ./ex17-ec "${testdb}" s 1 portia wanda@aeromar.mx "Fancy town"
  ./ex17-ec "${testdb}" f nest &>/dev/null
}

test_ex18() {
  local output=$(./ex18 4 1 7 3 2 0 8)
  [[ "${output}" =~ '0 1 2 3 4 7 8' ]]
  [[ "${output}" =~ '8 7 4 3 2 1 0' ]]
  [[ "${output}" =~ '3 4 2 7 1 0 8' ]]
}

test_ex19() {
  printf "l\nn\nl\ne\nw\nw\nl\na\na\na\na\na\na\na\na\na\na\n" \
    | ./ex19 &>/dev/null
  printf "l\nl\nl\nl\na\na\nx\nq\nz\nn\n" | ./ex19 &>/dev/null
  for i in {0..20} ; do
    echo "${RANDOM}" | md5sum | ./ex19 &>/dev/null
  done
}

main() {
  for ex in $(./list-exercises) ; do
    func_name="test_${ex}"
    if type "${func_name}" &>/dev/null ; then
      echo -en "---> ${ex}: "
      "${func_name}"
      echo "OK"
    fi
  done
}

main "$@"