#!/bin/bash

SCRIPTDIR="$(readlink -f $(dirname $(type -p $0)))"

ROOTDIR="$(readlink -f $SCRIPTDIR/../../..)"

KPATCH="sudo $ROOTDIR/kpatch/kpatch"

set -o errexit

die() {

	echo "ERROR: $@" >&2

	exit 1

}

ko_to_test() {

	tmp=${1%.ko}-LOADED.test

	echo ${tmp#kpatch-}

}

# make sure any modules added here are disjoint

declare -a modules=(kpatch-cmdline-string.ko kpatch-meminfo-string.ko)

for mod in "${modules[@]}"; do

	testprog=$(ko_to_test $mod)

	$SCRIPTDIR/$testprog && die "$SCRIPTDIR/$testprog succeeded before loading any modules"

done

for mod in "${modules[@]}"; do

	$KPATCH load $mod

done

for mod in "${modules[@]}"; do

	testprog=$(ko_to_test $mod)

	$SCRIPTDIR/$testprog || die "$SCRIPTDIR/$testprog failed after loading modules"

done

for mod in "${modules[@]}"; do

	$KPATCH unload $mod

done

for mod in "${modules[@]}"; do

	testprog=$(ko_to_test $mod)

	$SCRIPTDIR/$testprog && die "$SCRIPTDIR/$testprog succeeded after unloading modules"

done

exit 0