#! /bin/sh

test -z "$VERBOSE" && {
   exec > /dev/null 2>&1
   set -x
}

me=`basename $0`

# Number of the current test.
number=1

# Exit status of this script.
exit=true

# run EXPECTED-EXIT-STATUS EXPECTED-OUTPUT [PARSER-OPTIONS]
# ---------------------------------------------------------
run ()
{
  # Effective and expected exit status.
  local sta_exp=$1
  shift
  local out_exp=$1
  shift
  ./calc++ "$@" input >out_eff
  local sta_eff=$?
  local out_eff=`cat out_eff`
  if test $sta_eff -eq $sta_exp; then
    if test "$out_eff" = "$out_exp"; then
      printf "$me: PASS: %2d\n" $number
    else
      printf "$me: FAIL: %2d (expected output: %s, effective: %s\n" \
          $number "$out_exp" "$out_eff"
      exit=false
    fi
  else
    printf "$me: FAIL: %2d (expected status: %d, effective: %d\n" \
        $number $sta_exp $sta_eff
    exit=false
  fi
  number=`expr $number + 1`
}

cat >input <<EOF
a := 1
b := 2
c := 3
d := a + b * c
d
EOF
run 0 7
run 0 7 -p


cat >input <<EOF
a := 1
b := 2
c := 3
d := (a + b) * c
d
EOF
run 0 9


cat >input <<EOF
a := 1
d := a + b * c
EOF
run 1 '' input


cat >input <<EOF
toto := 1
toto
EOF
run 0 1 -s

rm input out_eff
$exit