1#!/bin/sh 2# Test functionality of --exact 3 4# Copyright (C) 2000-2023 Free Software Foundation, Inc. 5 6# This program is free software: you can redistribute it and/or modify 7# it under the terms of the GNU General Public License as published by 8# the Free Software Foundation, either version 3 of the License, or 9# (at your option) any later version. 10 11# This program is distributed in the hope that it will be useful, 12# but WITHOUT ANY WARRANTY; without even the implied warranty of 13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14# GNU General Public License for more details. 15 16# You should have received a copy of the GNU General Public License 17# along with this program. If not, see <https://www.gnu.org/licenses/>. 18 19. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src 20print_ver_ shred 21 22 23# make sure that neither --exact nor --zero gobbles a command line argument 24for opt in --exact --zero; do 25 echo a > a || framework_failure_ 26 echo bb > b || framework_failure_ 27 echo ccc > c || framework_failure_ 28 29 shred --remove $opt a b || fail=1 30 test -f a && fail=1 31 test -f b && fail=1 32 33 shred --remove $opt c || fail=1 34 test -f c && fail=1 35done 36 37 38# make sure direct I/O is handled appropriately at end of file 39# Create a 1MiB file as we'll probably not be using blocks larger than that 40# (i.e., we want to test failed writes not at the start). 41truncate -s1MiB file.slop || framework_failure_ 42truncate -s+1 file.slop || framework_failure_ 43shred --exact -n2 file.slop || fail=1 44 45# make sure direct I/O is handled appropriately at start of file 46truncate -s1 file.slop || framework_failure_ 47shred --exact -n2 file.slop || fail=1 48 49Exit $fail 50