
cat >testsuite.dat <<EOF
From: nobody
To: nobody
Subject: this is
   a test

testing
EOF
./headercheck 0 "" <testsuite.dat
echo "--"
./headercheck 2 "" <testsuite.dat
echo "--"
./headercheck 1 "" <testsuite.dat

cat >testsuite.dat <<EOF
From: nobody
To: nobody
Mime-Version: 1.0
Content-Type: message/rfc822

From: nobody@example.com
To: nobody@example.com
Message-ID: <a@b>
Subject: Example
   subject

EOF
echo "---"
./headercheck 0 "1.1" <testsuite.dat
echo "--"
./headercheck 2 "1.1" <testsuite.dat
echo "--"
./headercheck 1 "1.1" <testsuite.dat
