#!/bin/sh

# Compare the output of ../src/indent to correct output
# generated by earlier versions

INDENT=../src/indent

# First, make sure the executable exists

if test -x $INDENT; then
  if test -d ./output; then
    echo '****'
    echo 'Errors remain; output directory still exists'
    echo '****'
    ls -ld ./output
    exit 1
  fi
  printf "Regression testing "
  $INDENT --version
  echo
else
  echo '****'
  echo First, you must make $INDENT
  echo '****'
  echo
  exit 1
fi


# Code to be tested with default options

EXAMPLES="do.c else.c for.c func-def.c lshift.c ncs.c \
        proto.c typedef.h no-newline.c emacs-compatible.h fp.c unary.c \
        struct_param.c no-newline2.c no-newline3.c wide.c goto.c"

BUGS="case-label.c one-line-1.c one-line-2.c one-line-3.c \
        one-line-4.c struct-decl.c sizeof-in-while.c line-break-comment.c \
        macro.c enum.c elif.c nested.c wrapped-string.c minus_predecrement.c \
        bug-gnu-33364.c float-constant-suffix.c block-comments.c \
        no-forced-nl-in-block-init.c hexadecimal_float.c"

INDENTSRC="args.c backup.h backup.c dirent_def.h globs.c indent.h \
        indent.c indent_globs.h io.c lexi.c memcpy.c parse.c pr_comment.c \
        sys.h version.h"

mkdir output

printf "Generating indent et al with default settings..."

for i in $EXAMPLES $INDENTSRC $BUGS
do
    $INDENT -npro input/$i -o output/$i
done
echo "Done."


# Cases testing certain options
printf "Generating special option examples..."

SPECIALS="typedef-bug.c bug-hp.c bug-di.c newlined-parms.c indent.pro.c \
        comments1.c comments1-fca.c ncs-on-return.c cs-on-return.c sob.c continue.c continue-lp.c \
        kr.c struct-decl-kr.c embedded-cuddle1.c embedded-cuddle2.c kr-proc-decls.c \
        bbb-test.c preesc-comment.c if-decl-else-decl.c cp-indent.c comments.c \
        elipsis-attribute.c comments2.c comments3.c comments4.c brackets.c brackets33.c \
        brackets34.c brackets35.c brackets36.c brackets37.c brackets38.c \
        initializers.c else-if.c else-comment-br.c else-comment-bl.c \
        else-comment-br-ce.c const.c case.c case-br.c scope.c scope-br.c \
        comment-break.c cdb.c bbreak.c bad-break.c pre.c pre_lps.c pre_nlps.c dont-line-up-parentheses.c \
        bad-comment.c unknown-type.c unknown-type-npsl.c bug-npsl.c bug-psl.c do-cdw.c \
        label.c goto-1.c goto-2.c line-count.c decl_block.c pointer-pal.c else-comment-2-br.c else-comment-2-bl.c \
        else-comment-2-br-ce.c preserve-newline-after-right-brace.c gettext-strings.c single-line-conditionals.c \
        align-with-spaces.c no-space-after-fp-name.c spaces-around-initializers.c dont-tab-align-comments.c c99-compound-literal.c"

ARGS="-bad"
$INDENT -npro $ARGS input/bad-break.c -o output/bad-break.c
$INDENT -npro $ARGS input/bad-comment.c -o output/bad-comment.c

ARGS="-cdb"
$INDENT -npro $ARGS input/cdb.c -o output/cdb.c

ARGS="-kr"
$INDENT -npro $ARGS input/kr.c -o output/kr.c
$INDENT -npro $ARGS input/struct-decl.c -o output/struct-decl-kr.c
$INDENT -npro $ARGS input/embedded-cuddle1.c -o output/embedded-cuddle1.c
$INDENT -npro $ARGS input/embedded-cuddle2.c -o output/embedded-cuddle2.c
$INDENT -npro $ARGS input/kr-proc-decls.c -o output/kr-proc-decls.c

ARGS="-cli23 -bli8 -di50 -cbi1 -ci7 -i5"
$INDENT -npro $ARGS     input/case.c -o output/case.c
$INDENT -npro $ARGS -br input/case.c -o output/case-br.c
$INDENT -npro $ARGS     input/scope.c -o output/scope.c
$INDENT -npro $ARGS -br input/scope.c -o output/scope-br.c

ARGS="-nlp -ci3 -fca"
$INDENT -npro $ARGS input/continue.c -o output/continue.c
ARGS="-lp"
$INDENT -npro $ARGS input/continue.c -o output/continue-lp.c

ARGS="-sob"
$INDENT -npro $ARGS input/sob.c -o output/sob.c

ARGS="-ncs -TUNCH"
$INDENT -npro $ARGS input/typedef-bug.c -o output/typedef-bug.c
$INDENT -npro $ARGS input/ncs-on-return.c -o output/ncs-on-return.c

ARGS="-cs"
$INDENT -npro $ARGS input/ncs-on-return.c -o output/cs-on-return.c

ARGS="-kr -i2"
$INDENT -npro $ARGS input/bug-hp.c -o output/bug-hp.c

ARGS="-orig"
$INDENT -npro $ARGS input/bug-di.c -o output/bug-di.c
$INDENT -npro $ARGS input/newlined-parms.c -o output/newlined-parms.c

ARGS="-bad -bap -nbc -bl -c36 -cd36 -ncdb -nce -ci8 -cli0 -cs -d0 \
-di1 -nfca -i2 -ip0 -l80 -nlp -npcs -npsl -nsc -nsob -ss -nv"
$INDENT -npro $ARGS input/indent.pro.c -o output/indent.pro.c

ARGS="-fca"
$INDENT -npro $ARGS input/comments1.c -o output/comments1-fca.c

ARGS="-bbb"
$INDENT -npro $ARGS input/bbb-test.c -o output/bbb-test.c

$INDENT -npro input/comments1.c -o output/comments1.c
$INDENT -npro input/unknown-type.c -o output/unknown-type.c

$INDENT -npro input/preesc-comment.c -o output/preesc-comment.c

ARGS="-npsl"
$INDENT -npro $ARGS input/if-decl-else-decl.c -o output/if-decl-else-decl.c
$INDENT -npro $ARGS input/unknown-type.c -o output/unknown-type-npsl.c
$INDENT -npro $ARGS input/bug-npsl.c -o output/bug-npsl.c
$INDENT -npro       input/bug-npsl.c -o output/bug-psl.c

ARGS="-cp9"
$INDENT -npro $ARGS input/cp-indent.c -o output/cp-indent.c

ARGS="-di7"
$INDENT -npro $ARGS input/comments.c -o output/comments.c

ARGS="-ci5 -T aClient"
$INDENT -npro $ARGS input/elipsis-attribute.c -o output/elipsis-attribute.c

ARGS="-npsl -npcs -di3"
$INDENT -npro $ARGS input/comments2.c -o output/comments2.c
$INDENT -npro $ARGS input/comments3.c -o output/comments3.c

ARGS="-cdb -sc"
$INDENT -npro $ARGS input/comments4.c -o output/comments4.c

$INDENT -npro input/brackets.c -o output/brackets.c
$INDENT -npro --line-length33 input/brackets.c -o output/brackets33.c
$INDENT -npro --line-length34 input/brackets.c -o output/brackets34.c
$INDENT -npro --line-length35 input/brackets.c -o output/brackets35.c
$INDENT -npro --line-length36 input/brackets.c -o output/brackets36.c
$INDENT -npro --line-length37 input/brackets.c -o output/brackets37.c
$INDENT -npro --line-length38 input/brackets.c -o output/brackets38.c

$INDENT -npro --line-length40 input/bbreak.c -o output/bbreak.c

ARGS="-ci5"
$INDENT -npro $ARGS input/initializers.c -o output/initializers.c

ARGS="-nhnl --brace-indent0 --indent-level2 --dont-line-up-parentheses --continuation-indentation4 --paren-indentation0 --line-length80"
$INDENT -npro $ARGS input/else-if.c -o output/else-if.c

ARGS=""
$INDENT -npro -bl     input/else-comment.c -o output/else-comment-bl.c
$INDENT -npro -br     input/else-comment.c -o output/else-comment-br.c
$INDENT -npro -br -ce input/else-comment.c -o output/else-comment-br-ce.c
$INDENT -npro -bl     input/else-comment-2.c -o output/else-comment-2-bl.c
$INDENT -npro -br     input/else-comment-2.c -o output/else-comment-2-br.c
$INDENT -npro -br -ce input/else-comment-2.c -o output/else-comment-2-br-ce.c
$INDENT -npro -br -ce input/preserve-newline-after-right-brace.c -o output/preserve-newline-after-right-brace.c

ARGS=""
$INDENT -npro -slc input/single-line-conditionals.c -o output/single-line-conditionals.c
$INDENT -npro -br -ut -i8 -l70 -ts8 -as input/align-with-spaces.c -o output/align-with-spaces.c
$INDENT -npro -npcs input/fp.c -o output/no-space-after-fp-name.c
$INDENT -npro -sar input/spaces-around-initializers.c -o output/spaces-around-initializers.c
$INDENT -npro -c0 -ntac input/dont-tab-align-comments.c -o output/dont-tab-align-comments.c
$INDENT -npro -Tchrename_t input/c99-compound-literal.c -o output/c99-compound-literal.c

ARGS="-kr -cp0 -l132 -lps -br -psl"
$INDENT -npro $ARGS input/const.c -o output/const.c

ARGS="--dont-break-procedure-type --ignore-newlines"
$INDENT -npro $ARGS input/comment-break.c -o output/comment-break.c

ARGS="-ppi 5"
$INDENT -npro $ARGS input/pre.c -o output/pre.c

ARGS="-nlps"
$INDENT -npro $ARGS input/pre.c -o output/pre_nlps.c

ARGS="-lps"
$INDENT -npro $ARGS input/pre.c -o output/pre_lps.c

ARGS="-i4 -l100 -nlp"
$INDENT -npro $ARGS input/dont-line-up-parentheses.c -o output/dont-line-up-parentheses.c

# Check line counting of input file
$INDENT -npro input/line-count.c -o /dev/null 2>&1 | cut -d: -f3 > output/line-count.c

ARGS="-cdw -bli0"
$INDENT -npro input/do-cdw.c $ARGS -o output/do-cdw.c

ARGS="-il2 -linux"
$INDENT -npro input/label.c $ARGS -o output/label.c

ARGS="-il1"
$INDENT -npro input/goto.c $ARGS -o output/goto-1.c

ARGS="-il-4"
$INDENT -npro input/goto.c $ARGS -o output/goto-2.c

ARGS="-bad"
$INDENT -npro input/decl_block.c $ARGS -o output/decl_block.c

ARGS="-pal"
$INDENT -npro input/pointer-pal.c $ARGS -o output/pointer-pal.c

ARGS="-gts"
$INDENT -npro input/gettext-strings.c $ARGS -o output/gettext-strings.c

echo "Done."

ERR=output/errors

# Now diff all the new files with the old standard
echo
echo "Diffing generated code against standard..."

for i in $EXAMPLES $INDENTSRC $SPECIALS $BUGS
do
  printf ...$i...

  if [ ! -f standard/$i ]
  then
     echo ERROR: standard/$i missing
  fi

  if [ ! -f output/$i ]
  then
     echo ERROR: output/$i missing
  fi

  diff --initial-tab standard/$i output/$i > output/$i-diffs 2>&1
  if [ -s output/$i-diffs ]
  then
    echo ERROR: $i failed | tee -a $ERR
  else
    rm output/$i-diffs
    rm output/$i
    echo
  fi
done
echo "Diffing generated code against standard...Done."

# Testing indent (x) == indent (indent (x))
echo
printf "Testing meta-indent..."

ARGS="-bacc -nbad -nbap -nbc -br -cdb -nce -ci4 -cli4 -cs -nfc1 \
-fca -i4 -ip0 -l78 -lp -npcs -psl -sc -ss -ts4"
$INDENT -npro $ARGS input/meta-indent.c -o output/meta-indent.c
diff --initial-tab output/meta-indent.c standard/meta-indent.c > output/meta-diffs

if [ -s output/meta-diffs ]
then
  echo ERROR: 1st Meta test failed | tee -a $ERR
else
  rm output/meta-diffs
fi

for j in 1 2 3 4 5
do
  printf " $j"
  $INDENT -npro $ARGS output/meta-indent.c -o output/meta-indent.c-o

  diff --initial-tab output/meta-indent.c-o standard/meta-indent.c  > output/meta-diffs-$j

  if [ -s output/meta-diffs-$j ]
  then
    echo ERROR: Meta test $i failed | tee -a $ERR
  else
    rm output/meta-diffs-$j
    mv output/meta-indent.c-o output/meta-indent.c
    if [ $j -eq 5 ]
    then
       rm output/meta-indent.c
    fi
  fi
done

echo " Done"

# This section was added when `pr_comment.c' was rewritten, to test
# the new comment-handling code.

echo
echo Testing new comment stuff...

A1="-fca"
A2="-fc1"
A3="-fca -fc1"
A4="-fca -fc1 -cdb"
A5="-fca -fc1 -cdb -sc"
A6="-fca -fc1 -sc"
A7="-sc -fc1"
A8="-cdb -fc1"
A9="-sc -cdb -fc1"
A10="-sc -cdb"

$INDENT -npro -st     input/boxed.c > output/boxed.c-0
$INDENT -npro -st $A1 input/boxed.c > output/boxed.c-1
$INDENT -npro -st $A2 input/boxed.c > output/boxed.c-2
$INDENT -npro -st $A3 input/boxed.c > output/boxed.c-3
$INDENT -npro -st $A4 input/boxed.c > output/boxed.c-4
$INDENT -npro -st $A5 input/boxed.c > output/boxed.c-5
$INDENT -npro -st $A6 input/boxed.c > output/boxed.c-6
$INDENT -npro -st $A7 input/boxed.c > output/boxed.c-7
$INDENT -npro -st $A8 input/boxed.c > output/boxed.c-8
$INDENT -npro -st $A9 input/boxed.c > output/boxed.c-9

$INDENT -npro     input/outer.c -o output/outer.c-0
$INDENT -npro $A1 input/outer.c -o output/outer.c-1
$INDENT -npro $A2 input/outer.c -o output/outer.c-2
$INDENT -npro $A3 input/outer.c -o output/outer.c-3
$INDENT -npro $A4 input/outer.c -o output/outer.c-4
$INDENT -npro $A5 input/outer.c -o output/outer.c-5
$INDENT -npro $A6 input/outer.c -o output/outer.c-6
$INDENT -npro $A7 input/outer.c -o output/outer.c-7
$INDENT -npro $A8 input/outer.c -o output/outer.c-8
$INDENT -npro $A9 input/outer.c -o output/outer.c-9

A1="-fc1 -fca"
A2="-fc1 -fca -cdb"
A3="-fc1 -fca -cdb -sc"
A4="-fc1 -fca -sc"
A5="-fc1 -fca -l 50 -lc 50"
A6="-fc1 -fca -l 50 -lc 50 -cdb"
A7="-fc1 -fca -l 50 -lc 50 -sc"
A8="-fc1 -fca -l 50 -lc 50 -sc -cdb"

$INDENT -npro     input/newlines.c -o output/newlines.c-0
$INDENT -npro $A1 input/newlines.c -o output/newlines.c-1
$INDENT -npro $A2 input/newlines.c -o output/newlines.c-2
$INDENT -npro $A3 input/newlines.c -o output/newlines.c-3
$INDENT -npro $A4 input/newlines.c -o output/newlines.c-4
$INDENT -npro $A5 input/newlines.c -o output/newlines.c-5
$INDENT -npro $A6 input/newlines.c -o output/newlines.c-6
$INDENT -npro $A7 input/newlines.c -o output/newlines.c-7
$INDENT -npro $A8 input/newlines.c -o output/newlines.c-8

A1="-l 50 -lc 50"
A2="-l 50 -lc 50 -c 20"
A3="-l 50 -lc 50 -cd 30"
A4="-c 20 -cd 30"
A5="-fc1 -fca"
A6="-l 50 -lc 50 -fc1 -fca"
A7="-cp 10"
A8="-fc1 -fca -l50 -lc50 -c 30 -cd 20 -cp 8"
A9="-cdb -sc -l 50 -lc 50 -fca -fc1"

$INDENT -npro     input/cplus.c -o output/cplus.c-0
$INDENT -npro $A1 input/cplus.c -o output/cplus.c-1
$INDENT -npro $A2 input/cplus.c -o output/cplus.c-2
$INDENT -npro $A3 input/cplus.c -o output/cplus.c-3
$INDENT -npro $A4 input/cplus.c -o output/cplus.c-4
$INDENT -npro $A5 input/cplus.c -o output/cplus.c-5
$INDENT -npro $A6 input/cplus.c -o output/cplus.c-6
$INDENT -npro $A7 input/cplus.c -o output/cplus.c-7
$INDENT -npro $A8 input/cplus.c -o output/cplus.c-8
$INDENT -npro $A9 input/cplus.c -o output/cplus.c-9

A1="-sc -cdb -fc1"
A2="-i 10 -fc1"

$INDENT -npro     input/tabs.c -o -fc1 output/tabs.c-0
$INDENT -npro $A1 input/tabs.c -o output/tabs.c-1
$INDENT -npro $A2 input/tabs.c -o output/tabs.c-2

$INDENT -npro input/cplus-one.c -o output/cplus-one.c
$INDENT -npro input/class-func.cc -o output/class-func.cc
$INDENT -npro input/empty.c -o output/empty.c
$INDENT -npro input/already-starred.c -o output/already-starred.c
$INDENT -npro input/box-comm.c -o output/box-comm.c
$INDENT -npro input/long-comm.c -o output/long-comm.c
$INDENT -npro input/ind-star.c -o output/ind-star.c
$INDENT -npro input/first-in-block.c -o output/first-in-block.c
# currently fails $INDENT -npro input/two-on-line.c -o output/two-on-line.c
$INDENT -npro input/method.c -o output/method.c

A1="-fca"
$INDENT -npro input/right-margin-comment.c $A1 -o output/right-margin-comment.c

# These aren't really comment testing, they test the indent control
# statements '*INDENT-ON*' and '*INDENT-OFF*'
$INDENT -npro input/on-off-1.c -o output/on-off-1.c
$INDENT -npro input/on-off-2.c -o output/on-off-2.c

cd output
ERR=errors
# currently fails:       two-on-line.c 
for i in boxed.c-* outer.c-* newlines.c-* cplus.c-* tabs.c-* cplus-one.c class-func.cc \
        empty.c already-starred.c box-comm.c long-comm.c ind-star.c first-in-block.c \
        on-off-1.c on-off-2.c \
        method.c right-margin-comment.c
do
  printf ...$i...
  diff --initial-tab ../standard/$i $i > $i-diffs 2>&1
  if [ -s $i-diffs ]
  then
    printf ERROR: $i failed | tee -a $ERR
    echo >> $ERR
  else
    rm $i-diffs $i
  fi
  echo
done
cd ..
echo Testing new comment stuff...Done.


echo Testing bad code handling....

# print_comment() was reading past the end of the buffer...
echo -ne '/*' | $INDENT -npro -st > /dev/null 2>&1
if [ $? -ne 0 ]
then
    echo "ERROR: print_comment reads past the end of the buffer." | tee -a $ERR
    echo >> $ERR
fi

# Heap corruption by writing past the end of combuf
$INDENT -npro -st > /dev/null 2>&1 < input/combuf-heap-corruption
if [ $? -ne 0 ]
then
    echo "ERROR: heap corruption in comments.c" | tee -a $ERR
    echo >> $ERR
fi

# This ends in a error from indent but it shouldn't coredump.
$INDENT -npro input/bug206785.c -o output/bug206785.c 2>output/bug206785.err

if [ $? -ne 2 ]
then
    printf ERROR: bad return status from indent. | tee -a $ERR
    echo >> $ERR
fi
cd output

for i in bug206785.c bug206785.err
do
  printf ...$i...
  diff --initial-tab ../standard/$i $i > $i-diffs 2>&1
  if [ -s $i-diffs ]
  then
    printf ERROR: $i failed | tee -a $ERR
    echo >> $ERR
  else
    rm $i-diffs
    rm $i
  fi
  echo
done

echo Testing bad code handling...Done.

# Now see if any errors occured.  If so, bitch and moan, otherwise,
# remove the output directory.
#
if test -s $ERR
then
  echo '****  Errors occured:'
  cat  $ERR   
  echo '****  Errors occured: ./output not removed'
  echo
  exit 1
else
  cd ..
    ls -l output
  rm -rf output
  echo
  echo Regression test successfully completed.
  echo
fi