external/pflash/test/tests/03-erase-parts

#! /bin/sh
# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later

touch "$DATA_DIR/$CUR_TEST.pnor"

# Don't record the output of ffspart
../ffspart/ffspart -s 0x100 -c 10 -i "$DATA_DIR/$CUR_TEST.ffs" \
	-p "$DATA_DIR/$CUR_TEST.pnor" 2>&1 >/dev/null
if [ "$?" -ne 0 ] ; then
	fail_test
fi

cp "$DATA_DIR/$CUR_TEST.pnor" "$DATA_DIR/$CUR_TEST.bk"
if [ "$?" -ne 0 ] ; then
	fail_test
fi

#Let us all take a second to appreciate the fragility of this.
#The reason we need is that pflash -e will set the actual size of the
#partition to zero, which we'll do here. Examination determined that
#it will be at byte 216 in the file
dd if=/dev/zero of="$DATA_DIR/$CUR_TEST.bk" \
	bs=1 seek=216 count=4 conv=notrunc status=none

#176 Should be where the FFS header for partition ONE starts
update_checksum "$DATA_DIR/$CUR_TEST.bk" "176";

yes yes | run_binary "./pflash" "-F $DATA_DIR/$CUR_TEST.pnor -e -P ONE"
if [ "$?" -ne 0 ] ; then
	fail_test;
fi

one_start=$(get_part_start "$DATA_DIR/$CUR_TEST.ffs" "ONE");
one_len=$(get_part_len "$DATA_DIR/$CUR_TEST.ffs" "ONE");
one_end=$(get_part_end "$DATA_DIR/$CUR_TEST.ffs" "ONE");
cmp_with_ff "$DATA_DIR/$CUR_TEST.pnor" "$one_start" "$one_len"

cmp --bytes="$one_start" "$DATA_DIR/$CUR_TEST.pnor" \
	"$DATA_DIR/$CUR_TEST.bk";
if [ "$?" -ne 0 ] ; then
	fail_test;
fi

cmp --ignore-initial="$one_end" \
	--bytes="$(expr $(stat --printf="%s" "$DATA_DIR/$CUR_TEST.pnor") - "$one_end")" \
	"$DATA_DIR/$CUR_TEST.pnor" "$DATA_DIR/$CUR_TEST.bk"
if [ "$?" -ne 0 ] ; then
	fail_test;
fi
# The test infrastructure will clean up but lets no chew unnecessarily
# though disk space
rm "$DATA_DIR/$CUR_TEST.pnor" "$DATA_DIR/$CUR_TEST.bk"

diff_with_result

pass_test