test_description="fix up last bg when expanding beyond the last bg"
if ! test -x $RESIZE2FS_EXE -o ! -x $DEBUGFS_EXE; then
	echo "$test_name: $test_description: skipped (no debugfs/resize2fs)"
	return 0
fi

EXP=$test_dir/expect
OUT=$test_name.log
E2FSCK=../e2fsck/e2fsck

$MKE2FS -T ext4 -o Linux -b 1024 -F -U 56d3ee50-8532-4f29-8181-d7c6ea4a94a6 $TMPFILE 20000 > $OUT 2>&1
$DUMPE2FS $TMPFILE 2>&1 | grep -A10 '^Group 2:' >> $OUT
$DEBUGFS -R "set_bg 2 itable_unused 0" -w $TMPFILE > /dev/null 2>&1
$DEBUGFS -R "set_bg 2 flags 0" -w $TMPFILE > /dev/null 2>&1
$DEBUGFS -R "set_bg 2 checksum 0xd318" -w $TMPFILE > /dev/null 2>&1
$DUMPE2FS $TMPFILE 2>&1 | grep -A10 '^Group 2:' >> $OUT
dd if=/dev/zero of=$TMPFILE bs=1 count=1 seek=$((1024 * 40000)) conv=notrunc >> $OUT 2> /dev/null
(
RESIZE2FS_FORCE_ITABLE_INIT=1
export RESIZE2FS_FORCE_ITABLE_INIT
unset RESIZE2FS_FORCE_LAZY_ITABLE_INIT
$RESIZE2FS_EXE -f -p $TMPFILE >> $OUT 2>&1
)
$DUMPE2FS $TMPFILE 2>&1 | grep -A10 '^Group 2:' >> $OUT
$E2FSCK -fy $TMPFILE >> $OUT 2>&1

sed -f $cmd_dir/filter.sed -e "s;$TMPFILE;test.img;" < $OUT > $OUT.new
mv $OUT.new $OUT

cmp -s $OUT $EXP
status=$?
if [ $status -eq 0 ]; then
	echo "$test_name: $test_description: ok"
	touch $test_name.ok
else
	echo "$test_name: $test_description: failed"
	diff -u $EXP $OUT > $test_name.failed
fi

unset EXP OUT E2FSCK