#!/usr/bin/bash +H
# 2'nd labwork
# ./2 variant current_testing_script

# dir w/ results for all labs
#TESTDIR=/usr/local/labtest/lab_2/
TESTDIR=d/

panic(){ echo "error: $* " >&2 ;exit 1 ;}

cd -- "$TESTDIR/${1:-variant}/" || panic no such dir
for arg in `/usr/xpg4/bin/ls -aq` ;do
   case $arg in
      .|..) continue ;;
      NULL) unset arg ;;
      *SPACE*) arg=${arg//SPACE/ } ;;
      *TAB*) arg=${arg//TAB/    } ;;
   esac

   OUT=$HOME/test_$arg.out
   ERR=$HOME/test_$arg.err

   /usr/bin/echo "\"${2:?no script}\" \"$arg\" > \"$OUT\" 2> \"$ERR\" "

   [ -f "$HOME/test_$arg.out" ] || panic no output file
   [ -f "$HOME/test_$arg.err" ] || panic no errors file

   # here is diff check w/ $arg/out & $arg/err
   diff "$TESTDIR/$1/$arg/err" $ERR &> /dev/null
   result_diff=$?;

   diff "$TESTDIR/$1/$arg/out" $OUT &> /dev/null
   result_diff+=$?;

   [ $result_diff -eq 0 ] || { /usr/bin/echo "The result of a script with \"$arg\" argument is incorrect"; exit 0; }

   # exit if differs, so they willn't be deleted
   /usr/bin/echo "/usr/xpg4/bin/rm -- \"$HOME/test_$arg\".{out,err} "
done
/usr/bin/echo "The result of a script with all arguments is correct"