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#  Unit test for the ion.
#
# Invoked by run.sh
# This will run nominal and adversarial testcases.

chmod 755 msm_iontest

if [ -d /system/lib/modules/ ]; then
	modpath=/system/lib/modules
else
	modpath=/kernel-tests/modules/lib/modules/$(uname -r)/extra
fi

ion_test_mod=${modpath}/msm_ion_test_module.ko
ion_dev=/dev/ion
ion_dev_misc=/sys/class/misc/ion/dev
ion_test_dev=/dev/msm_ion_test
ion_test_dev_sys=/sys/class/msm_ion_test/msm_ion_test/dev
test_type=n
level=0

maybe_make_node()
{
	thedev=$1
	themisc=$2
	[ -e $thedev ] || \
	    mknod $thedev c $(cut -d: -f1 $themisc) $(cut -d: -f2 $themisc)
}

for i in $*
do
	case $i in
	-n | --nominal)
	# already nominal test case by default
	;;
	-a | --adversarial)
		test_type=a
		;;
	-V)
		level=1
		;;
	-h | --help | *)
	echo "Usage: $0 [-n | --nominal] [-a | --adversarial] [-V]";
	exit 1
	;;
	esac
done

# create ion device if it doesn't exist
maybe_make_node $ion_dev $ion_dev_misc

if [ ! -e $ion_test_mod ]; then
	echo "ERROR: Kernel Test Module not present"
	exit 1
fi

# insert msm_ion_test_module if needed
if [ ! -e $ion_test_dev_sys ]; then
	insmod $ion_test_mod

	if [ $? -ne 0 ]; then
		echo "ERROR: failed to load module $ion_test_mod"
	exit 1
	fi
fi

# create the ion test device if it doesn't exist
maybe_make_node $ion_test_dev $ion_test_dev_sys


#invoke test
./msm_iontest $test_type $level
ret=$?
if [ $ret -ne 0 ];then
	echo "Test Failed"
else
	echo "Test Passed"
fi
rmmod msm_ion_test_module
exit $ret