#! /bin/sh -vx
# $Id$
# Copyright 2023 Japanese TeX Development Community <issue@texjp.org>
# Copyright 2017-2018 Karl Berry <tex-live@tug.org>
# Copyright 2010-2014 Peter Breitenlohner <tex-live@tug.org>
# You may freely use, modify and/or distribute this file.

W2CDir=${W2CDir:-..}
ExeExt=${ExeExt:-}
_ptex=$W2CDir/ptex$ExeExt
_pltotf=$W2CDir/pltotf$ExeExt
_tftopl=$W2CDir/tftopl$ExeExt
_dvitype=$W2CDir/dvitype$ExeExt

LC_ALL=C; export LC_ALL;  LANGUAGE=C; export LANGUAGE

testdir=$abs_srcdir/triptrap
ptestdir=$abs_srcdir/ptexdir/ptrip

TEXMFCNF=$ptestdir; export TEXMFCNF

rm -rf ptripdir
mkdir ptripdir
cd ptripdir
mkdir -p a b

# TeX Live generic
cat >filter <<-\_EOF
	s,^\*\*(\./trip\.tex ##,** \&trip  trip \
	(trip.tex ##,
	s/ (TeX Live 20[^)]*)//
	s/ (Web2C 202[3-9][^)]*)//
	s/(preloaded format=.*tex)/(INITEX)/
	s/format=trip [^)][^)]*)/format=trip)/
	s/)  [0-9A-Z: ]*$/)/
	s,^(\./,(,
	s/[1-9][0-9]* strings out of [1-9].*/XX strings out of YYY/
	s/[1-9][0-9]* string characters out of [1-9].*/XXX string characters out of YYYY/
	s/sequences out of [1-9].*/sequences out of YYYY/
	s/[1-9] hyphenation exceptions* out of [1-9].*/X hyphenation exceptions out of YYY/
	s/[1-9][0-9]* strings of total length [1-9].*/XXXX strings of total length YYYYY/
	s/9 ops out of [1-9][0-9]*/9 ops out of YYY/
	s/TeX output ....\...\...:..../TeX output YYYY.MM.DD:hhmm/
	_EOF

# x86 glue rounding
cat >>filter <<-\_EOF
	s/ 16341\.999.*fil/ 16342.0fil/
	s/ 16238\.999.*fil/ 16239.0fil/
	s/ 16317\.999.*fil/ 16318.0fil/
	s/ 16330\.999.*fil/ 16331.0fil/
	s/ 16331\.999.*fil/ 16332.0fil/
	s/ 16343\.999.*fil/ 16344.0fil/
	s/ 9737\.587..fil/ 9737.58789fil/
	s/down4 639342.../down4 639342208/
	s/y4 2039217../y4 203921760/
	s/y0 2039217../y0 203921760/
	_EOF

# pTeX
cat >>filter <<-\_EOF
	s/This is .*TeX,/This is *TeX,/
	s/ (utf8[^)]*)/ /
	s/ Version 3\.141592653-[^ ]* / Version 3.141592653/
	s/ before: [1-9][0-9][0-9][0-9]*&[1-9][0-9][0-9][0-9]*; / before: XXX\&YYY; /
	s/ after: [1-9][0-9][0-9][0-9]*&[1-9][0-9][0-9][0-9]*; / after: XXX\&YYY; /
	s/ still untouched: [1-9][0-9][0-9][0-9]*/ still untouched: XXX/
	_EOF

dvitype_args="-output-level=2 -dpi=72.27 -page-start='*.*.*.*.*.*.*.*.*.*'"

echo ">>> Running TRIP test for pTeX." >&2
echo ">>> See $ptestdir/ptrip.diffs for example of acceptable diffs." >&2

# pTeX outputs direction of boxes.
P_SED1='s/, yoko direction//;s/yoko direction, //'
P_SED2='s/yoko(math) direction, //'

is_OK=:

set -x

echo "*** TRIP test for pTeX ***."

$_pltotf $testdir/trip.pl trip.tfm || exit 1

$_tftopl ./trip.tfm trip.pl || exit 1

diff $testdir/trip.pl trip.pl || is_OK=false

# get same filename in log
$LN_S $testdir/trip.tex .

rm -f trip.log
$_ptex --progname=pinitex --ini <$testdir/trip1.in >ptripin.fot
if test ! -s trip.fmt; then
  echo "*** trip.fmt not created by trip1.in, investigate!" >&2
  exit 1
fi
sed "$P_SED1" trip.log >  ptripin.log || exit 1
$DIFF $testdir/tripin.log ptripin.log

# May as well test non-ini second time through.
rm -f trip.log
$_ptex --progname=ptex <$testdir/trip2.in >ptrip.fot
sed "$P_SED1;$P_SED2" trip.log > ptrip.log
#diff $testdir/trip.fot ptrip.fot

# We use $DIFF instead of `diff' only for those files where there
# might actually be legitimate numerical differences.
$DIFF $DIFFFLAGS $testdir/trip.log ptrip.log

mv tripos.tex ptripos.tex
diff $testdir/tripos.tex ptripos.tex || is_OK=false

eval $_dvitype $dvitype_args trip.dvi >ptrip.typ || exit 1
#$DIFF $DIFFFLAGS $testdir/trip.typ ptrip.typ

for f in trip.fot trip.typ; do
  sed -f filter $testdir/$f >a/$f
  sed -f filter p$f >b/$f
  diff a/$f b/$f || is_OK=false
done

$is_OK || {
  echo ">>> There were some errors." >&2
  exit 1
}