#!/bin/sh -f
# Run available iconv(1) tests.
# Copyright (C) 1998-2023 Free Software Foundation, Inc.
# This file is part of the GNU C Library.

# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.

# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.

# You should have received a copy of the GNU Lesser General Public
# License along with the GNU C Library; if not, see
# <https://www.gnu.org/licenses/>.

set -e

codir=$1
test_wrapper_env="$2"
run_program_env="$3"

# We use always the same temporary file.
temp1=$codir/iconvdata/iconv-test.xxx
temp2=$codir/iconvdata/iconv-test.yyy

trap "rm -f $temp1 $temp2" 1 2 3 15

# We have to have some directories in the library path.
LIBPATH=$codir:$codir/iconvdata

# How the start the iconv(1) program.
ICONV='$codir/elf/ld.so --library-path $LIBPATH --inhibit-rpath ${from}.so \
       $codir/iconv/iconv_prog'
ICONV="$test_wrapper_env $run_program_env $ICONV"

# Which echo?
if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
  ac_n=-n ac_c= ac_t=
else
  ac_n= ac_c='\c' ac_t=
fi

# We read the file named TESTS.  All non-empty lines not starting with
# `#' are interpreted as commands.
failed=0
while read from to subset targets; do
  # Ignore empty and comment lines.
  if test -z "$subset" || test "$from" = '#'; then continue; fi

  # Expand the variables now.
  PROG=`eval echo $ICONV`

  if test -n "$targets"; then
    for t in $targets; do
      if test -f testdata/$from; then
	echo $ac_n "   test data: $from -> $t $ac_c"
	$PROG -f $from -t $t testdata/$from < /dev/null > $temp1 ||
	  { if test $? -gt 128; then exit 1; fi
	    echo "FAILED"; failed=1; continue; }
	echo $ac_n "OK$ac_c"
	if test -s testdata/$from..$t; then
	  LC_ALL=C cmp $temp1 testdata/$from..$t > /dev/null 2>&1 ||
	    { echo "/FAILED"; failed=1; continue; }
	  echo $ac_n "/OK$ac_c"
	fi
	echo $ac_n " -> $from $ac_c"
	$PROG -f $t -t $to -o $temp2 $temp1 < /dev/null ||
	  { if test $? -gt 128; then exit 1; fi
	    echo "FAILED"; failed=1; continue; }
	echo $ac_n "OK$ac_c"
	test -s $temp1 &&
	LC_ALL=C cmp testdata/$from $temp2 > /dev/null 2>&1 ||
	  { echo "/FAILED"; failed=1; continue; }
	echo "/OK"
	rm -f $temp1 $temp2
      fi

      # Now test some bigger text, entirely in ASCII.  If ASCII is no subset
      # of the coded character set we convert the text to this coded character
      # set.  Otherwise we convert to all the TARGETS.
      if test $subset = Y; then
	echo $ac_n "      suntzu: $from -> $t -> $to $ac_c"
	$PROG -f $from -t $t testdata/suntzus < /dev/null |
	$PROG -f $t -t $to > $temp1 ||
	  { if test $? -gt 128; then exit 1; fi
	    echo "FAILED"; failed=1; continue; }
	echo $ac_n "OK$ac_c"
	LC_ALL=C cmp testdata/suntzus $temp1 ||
	  { echo "/FAILED"; failed=1; continue; }
	echo "/OK"
      fi
      rm -f $temp1

      # And tests where iconv(1) has to handle charmaps.
      if test "$t" = UTF8; then tc=UTF-8; else tc="$t"; fi
      if test -f ../localedata/charmaps/$from &&
         test -f ../localedata/charmaps/$tc &&
	 test -f testdata/$from &&
	 ! grep '<U....><U....>' ../localedata/charmaps/$from > /dev/null; then
	echo $ac_n "test charmap: $from -> $t $ac_c"
	$PROG -f ../localedata/charmaps/$from -t ../localedata/charmaps/$tc \
	      testdata/$from < /dev/null > $temp1 ||
	  { if test $? -gt 128; then exit 1; fi
	    echo "FAILED"; failed=1; continue; }
	echo $ac_n "OK$ac_c"
	if test -s testdata/$from..$t; then
	  LC_ALL=C cmp $temp1 testdata/$from..$t > /dev/null 2>&1 ||
	    { echo "/FAILED"; failed=1; continue; }
	  echo $ac_n "/OK$ac_c"
	fi
	echo $ac_n " -> $from $ac_c"
	$PROG -t ../localedata/charmaps/$from -f ../localedata/charmaps/$tc \
	      -o $temp2 $temp1 < /dev/null ||
	  { if test $? -gt 128; then exit 1; fi
	    echo "FAILED"; failed=1; continue; }
	echo $ac_n "OK$ac_c"
	test -s $temp1 &&
	LC_ALL=C cmp testdata/$from $temp2 > /dev/null 2>&1 ||
	  { echo "/FAILED"; failed=1; continue; }
	echo "/OK"
	rm -f $temp1 $temp2
      fi
    done
  fi

  if test "$subset" = N; then
    echo $ac_n "      suntzu: ASCII -> $to -> ASCII $ac_c"
    $PROG -f ASCII -t $to testdata/suntzus < /dev/null |
    $PROG -f $to -t ASCII > $temp1 ||
      { if test $? -gt 128; then exit 1; fi
	echo "FAILED"; failed=1; continue; }
    echo $ac_n "OK$ac_c"
    LC_ALL=C cmp testdata/suntzus $temp1 ||
      { echo "/FAILED"; failed=1; continue; }
    echo "/OK"
  fi
done < TESTS

# We read the file named TESTS2.  All non-empty lines not starting with
# `#' are interpreted as commands.
while read utf8 from filename; do
  # Ignore empty and comment lines.
  if test -z "$filename" || test "$utf8" = '#'; then continue; fi

  # Expand the variables now.
  PROG=`eval echo $ICONV`

  # Test conversion to the endianness dependent encoding.
  echo $ac_n "test encoder: $utf8 -> $from $ac_c"
  $PROG -f $utf8 -t $from < testdata/${filename}..${utf8} > $temp1
  LC_ALL=C cmp $temp1 testdata/${filename}..${from}.BE > /dev/null 2>&1 ||
  LC_ALL=C cmp $temp1 testdata/${filename}..${from}.LE > /dev/null 2>&1 ||
    { echo "/FAILED"; failed=1; continue; }
  echo "OK"

  # Test conversion from the endianness dependent encoding.
  echo $ac_n "test decoder: $from -> $utf8 $ac_c"
  $PROG -f $from -t $utf8 < testdata/${filename}..${from}.BE > $temp1
  LC_ALL=C cmp $temp1 testdata/${filename}..${utf8} > /dev/null 2>&1 ||
    { echo "/FAILED"; failed=1; continue; }
  $PROG -f $from -t $utf8 < testdata/${filename}..${from}.LE > $temp1
  LC_ALL=C cmp $temp1 testdata/${filename}..${utf8} > /dev/null 2>&1 ||
    { echo "/FAILED"; failed=1; continue; }
  echo "OK"

  # Test byte swapping behaviour.
  echo $ac_n "test non-BOM: ${from}BE -> ${from}LE $ac_c"
  $PROG -f ${from}BE -t ${from}LE < testdata/${filename}..${from}.BE > $temp1
  LC_ALL=C cmp $temp1 testdata/${filename}..${from}.LE > /dev/null 2>&1 ||
    { echo "/FAILED"; failed=1; continue; }
  echo "OK"

  # Test byte swapping behaviour.
  echo $ac_n "test non-BOM: ${from}LE -> ${from}BE $ac_c"
  $PROG -f ${from}LE -t ${from}BE < testdata/${filename}..${from}.LE > $temp1
  LC_ALL=C cmp $temp1 testdata/${filename}..${from}.BE > /dev/null 2>&1 ||
    { echo "/FAILED"; failed=1; continue; }
  echo "OK"

done < TESTS2

# Check for crashes in decoders.
printf '\016\377\377\377\377\377\377\377' > $temp1
for from in $iconv_modules ; do
    echo $ac_n "test decoder $from $ac_c"
    PROG=`eval echo $ICONV`
    if $PROG -f $from -t UTF8 < $temp1 >/dev/null 2>&1 ; then
	: # fall through
    else
	status=$?
	if test $status -gt 1 ; then
	    echo "/FAILED"
	    failed=1
	    continue
	fi
    fi
    echo "OK"
done

exit $failed
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