#!/bin/sh

# Are we running as root?
unset ROOT
if [ "`id -u`" = 0 ]
then	ROOT=yes
fi

# Initialization
PATH=:/bin:/usr/bin
export PATH

rm -rf DIR*			# remove any old junk lying around
passed=`expr 0`			# count number of tests run correctly
failed=`expr 0`			# count number of tests that failed
skipped=`expr 0`		# count number of tests that were skipped
total=`expr 0`			# total number of tests tried
badones=			# list of tests that failed

# Tests which require setuid
setuids="test11 test33 test43 test44 test46 test56 test60 test61 test65 \
	 test69 test73"

alltests="   1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19 20 \
         21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 \
         41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 \
         61 62 63 64 65 66 67 68 69 70 71 72 73 \
	 sh1.sh sh2.sh interp.sh"
tests_no=`expr 0`

# If root, make sure the setuid tests have the correct permissions
# and make the dir bin-owned.
if [ "$ROOT" ]
then	chown bin .
	chown root ${setuids}
	chmod 4755 ${setuids}
fi

tests=$alltests

# Are we given any args? If so, we might have to give
# or change our testlist
while getopts 'lt:' opt
do
	case $opt in
	l)	echo "$alltests"
		exit 0
		;;
	t)      tests="$OPTARG"
		;;
	?)      echo "Usage: run [-l] [-t testlist]" >&2; exit 1
	esac
done

# Count tests
for i in `echo $tests`; do
   if [ -x ./test$i ]; then
      tests_no=`expr $tests_no + 1`
   fi
done

# 
if [  $tests_no -eq 0 ]
then
	echo "No test binaries found. did you compile?"
	exit 1
fi

if [ "$tests" = "$alltests" ]
then	# Print test welcome message
	clear
	echo -n "Running POSIX compliance test suite. "
	echo "There are $tests_no tests in total."
	echo " "
fi

# Provide an argument for test63
ARGS_63=`pwd`/mod

# Run all the tests, keeping track of who failed.
for i in `echo $tests`
do
   if [ -x ./test$i ] 
   then
      total=`expr $total + 1`
      FAIL=0
      unset ARG
      testid="`echo $i | sed 's/\..*//'`"
      ARG=`eval echo "\\${ARGS_$testid}"`
      if [ "$ROOT" ]
         then su - bin -c "cd `pwd`; ./test$i $ARG" || FAIL=1
         else ./test$i $ARG || FAIL=1
      fi
      if [ $FAIL -eq 0 ]
         then passed=`expr $passed + 1`
         else failed=`expr $failed + 1`
              badones=`echo $badones " " $i`
      fi
   else
      skipped=`expr $skipped + 1` 
   fi
done

# Print results of the tests.
if [ "$tests" = "$alltests" ]
then	echo " "
	if test $total = $passed
	   then echo All $passed tests completed without error \($skipped skipped\).
	   else echo Testing completed. Score: $passed passed, $failed failed, \
	             skipped $skipped
	        echo The following tests failed: $badones
	fi
fi

# if any test failed return an error
if [ $failed -gt 0 ] 
then
	exit 1
fi

# echo " "