#!/bin/bash

# Usage: test-correct INPUTFILE.tx ...
#     Run each INPUTFILE through the program, checking the result against
#     the standard output INPUTFILE.std.  Reports number of failures.
#     Exits with 0 iff there are no errors.

prog="java -ea tex61.Main"
out="/tmp/tex61$$.out"
errout="/tmp/tex61$$.err"
normalize=$(dirname $0)/normalize

trap 'rm -rf $out $errout' 0 SIGHUP SIGINT SIGTERM

tests=0
errs=0
for f in "$@"; do
    name="$(basename $f)"

    if [ ! -e $f ]; then
        continue
    fi

    echo -n $name...
    tests=$(($tests + 1))

    rm -rf $out $errout
    std="$(dirname $f)/${name}.std"

    if $prog $f $out 2>$errout; then 
        echo "FAILED (exit code did not report errors)"
        errs=$(($errs + 1))
    elif grep -qi 'Exception in thread' $errout; then
        echo "FAILED (unhandled exception)"
        errs=$(($errs + 1))
    elif grep -qi 'error' $errout; then
        echo OK
    else
        echo "FAILED (no proper error message in error output)"
        errs=$(($errs + 1))
    fi
        
done

echo -n "Out of $tests tests:"
if [ $errs -eq 0 ]; then
   echo " all passed"
   exit 0
else 
   echo " $errs failures"
   exit 1
fi