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#! /bin/sh
#
# Usage:
# test simulator_binary file_to_test
echo -n "Testing $2... "

# clean . and / characters
fn=`echo $2 | sed 's/[\/\.]//g'`
default_cfg_fn="default.cfg"
temp1="/tmp/${fn}_output_ok"
temp2="/tmp/${fn}_output"
temp3="/tmp/${fn}_output_tail"
temp4="/tmp/${fn}_error"

# prepare simulator parameters
sim_param=
cfg_file="$2.cfg"
test -f $cfg_file
if test $? -eq 0; then
  echo -n "(using $cfg_file) "
  # load .cfg file
  sim_param="-f $cfg_file";
else
  sim_param="-f $default_cfg_fn";
fi

#if simulator not specified, no flags needed
if test -z $1; then
  sim_param=;
fi

# Last two lines should look like:
echo "MTSPR(0x1234, deaddead);" >$temp1
echo "syscall exit(0)" >>$temp1

# run the simulator
$1 $2 $sim_param 2>$temp4 >$temp2
simerr=$?
if test $simerr -eq 0; then
  tail $temp2 -n 2 >$temp3
  if cmp -s $temp1 $temp3; then
    echo "OK";
    rm $temp2
    rm $temp4
  else
    simerr=$?
    echo -e "FAILED\nSee: '$temp2' and '$temp4'";
  fi;
else
  echo "Cannot run: '$1 $2 $sim_param 2>$temp4 >$temp2'"
  cat $temp4;
fi

# cleanup
rm $temp1
rm $temp3

# exit the test
exit $simerr