#!/bin/sh -x
isNaturalNumber(){
    case "$1" in
        ''|*[!0-9]*) return 0;;
        *) return 1;;
    esac
}

sudo systemctl start xrdp
# XXX: Is there a better way to get the port number other than by parsing the
# configuration file?
port=$(sed -n '/^port=[0123456789]/{s/port=//p;q;}' /etc/xrdp/xrdp.ini)
if test ! isNaturalNumber "$port"; then
    exit 1
fi

timeout 2s xvfb-run -l xfreerdp /v:localhost:"$port" /p: /u: /d: /cert-tofu
if test $? != 124; then
    2>&1 printf "%s\n" "Xfreerdp exited before the timeout, it has likely " \
                       "failed to connect. The test has therefore failed."
    exit 2
fi