set -e
if [ -n "$V" ]; then
    set -x
fi
DIFF=${DIFF-diff}
SHELL=${SHELL-bin/gash}

t=$1
b=test/$(basename $t .sh)
set +e
timeout 1 $SHELL -e $b.sh > $b.1 2> $b.2
r=$?
set -e
if [ -f $b.exit ]; then
    e=$(cat $b.exit)
else
    e=0
fi
[ $r = $e ] || exit 1
if [ -f $b.stdout ]; then
        $DIFF -u $b.stdout $b.1
fi
if [ -f $b.stderr ]; then
    $DIFF -u $b.stderr $b.2
fi