busybox/testsuite/xxd.tests

#!/bin/sh

# Copyright 2020 by Denys Vlasenko <vda.linux@googlemail.com>
# Licensed under GPLv2, see file LICENSE in this source tree.

. ./testing.sh

# testing "description" "command" "result" "infile" "stdin"
testing 'xxd -p with one NUL' \
	'xxd -p' \
	"\
00
" \
	'' \
	'\0'

testing 'xxd -p with 30 NULs' \
	'xxd -p' \
	"\
000000000000000000000000000000000000000000000000000000000000
" \
	'' \
	'\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0'

testing 'xxd -p with 31 NULs' \
	'xxd -p' \
	"\
000000000000000000000000000000000000000000000000000000000000
00
" \
	'' \
	'\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0'

testing 'xxd -p -r' \
	'xxd -p -r' \
	'01234567765432100123456776543210' \
	'' \
	'30313233343536373736353433323130 30313233343536373736353433323130'

testing 'xxd -r skips leading whitespace and truncates at two spaces' \
	'xxd -r' \
	'0123456789:;<=>?@' \
	'' "\
   00000000: 3031 3233 3435 3637 3839 3a3b 3c3d 3e3f  0123456789:;<=>?
	00000010: 40                                       @
"

testing 'xxd -p -r skips one bad char, truncates at two bad chars' \
	'xxd -p -r' \
	'01' \
	'' "\
30 !31 !!32
"

testing 'xxd -p -r ignores the nibble with 2nd char bad' \
	'xxd -p -r' \
	'3C6' \
	'' "\
33 3!4 3!!5
36
"

exit $FAILCOUNT