#!/bin/sh
# Check of ICONV_EBCDIC_ZOS_UNIX environment variable.
set -e
host_os="$1"
iconv=../src/iconv_no_i18n

# This test is only meaningful when the EBCDIC encodings are included.
if $iconv -l | grep IBM-1047 > /dev/null; then

  if test "${host_os}" = 'openedition' ; then
    # On z/OS, make all the files 'untagged'
    rm -f tmp-ok-lf tmp-ok-nel tmp-ok-x15 tmp-ok-x25
    touch tmp-ok-lf
    touch tmp-ok-nel
    touch tmp-ok-x15
    touch tmp-ok-x25
    chtag -r tmp-ok-lf
    chtag -r tmp-ok-nel
    chtag -r tmp-ok-x15
    chtag -r tmp-ok-x25
  fi

  printf '\150\145\154\154\157\012' > tmp-ok-lf
  printf '\150\145\154\154\157\302\205' > tmp-ok-nel

  printf '\210\205\223\223\226\025' > tmp-ok-x15
  printf '\210\205\223\223\226\045' > tmp-ok-x25

  # Check that by default, EBCDIC 0x15 maps to U+0085.
  unset ICONV_EBCDIC_ZOS_UNIX

  $iconv -f UTF-8 -t IBM-1047 < tmp-ok-nel > tmp-out1
  $iconv -f ASCII -t IBM-1047 < tmp-ok-lf > tmp-out2
  cmp tmp-out1 tmp-ok-x15
  cmp tmp-out2 tmp-ok-x25

  $iconv -f IBM-1047 -t UTF-8 < tmp-ok-x15 > tmp-out1
  $iconv -f IBM-1047 -t ASCII < tmp-ok-x25 > tmp-out2
  cmp tmp-out1 tmp-ok-nel
  cmp tmp-out2 tmp-ok-lf

  # Check that with the ZOS_UNIX surface, EBCDIC 0x15 maps to U+000A.

  $iconv -f ASCII -t IBM-1047/ZOS_UNIX < tmp-ok-lf > tmp-out1
  $iconv -f UTF-8 -t IBM-1047/ZOS_UNIX < tmp-ok-nel > tmp-out2
  cmp tmp-out1 tmp-ok-x15
  cmp tmp-out2 tmp-ok-x25

  $iconv -f IBM-1047/ZOS_UNIX -t ASCII < tmp-ok-x15 > tmp-out1
  $iconv -f IBM-1047/ZOS_UNIX -t UTF-8 < tmp-ok-x25 > tmp-out2
  cmp tmp-out1 tmp-ok-lf
  cmp tmp-out2 tmp-ok-nel

  # Check that the ZOS_UNIX surface can be used with //TRANSLIT and //IGNORE.

  printf '\357\275\210\342\204\257\360\235\232\225\360\235\232\225\342\200\242\n' \
    | $iconv -f UTF-8 -t IBM-1047/ZOS_UNIX/TRANSLIT > tmp-out1
  cmp tmp-out1 tmp-ok-x15

  printf 'hello\342\202\254\n' \
    | $iconv -f UTF-8 -t IBM-1047/ZOS_UNIX/IGNORE > tmp-out1
  cmp tmp-out1 tmp-ok-x15

  # Check that with a specific environment variable, EBCDIC 0x15 maps to U+000A.
  ICONV_EBCDIC_ZOS_UNIX=1
  export ICONV_EBCDIC_ZOS_UNIX

  $iconv -f ASCII -t IBM-1047 < tmp-ok-lf > tmp-out1
  $iconv -f UTF-8 -t IBM-1047 < tmp-ok-nel > tmp-out2
  cmp tmp-out1 tmp-ok-x15
  cmp tmp-out2 tmp-ok-x25

  $iconv -f IBM-1047 -t ASCII < tmp-ok-x15 > tmp-out1
  $iconv -f IBM-1047 -t UTF-8 < tmp-ok-x25 > tmp-out2
  cmp tmp-out1 tmp-ok-lf
  cmp tmp-out2 tmp-ok-nel

  rm -f tmp-in* tmp-out* tmp-ok*
fi

exit 0