1#!/bin/sh 2# Validate truncate parameter combinations 3 4# Copyright (C) 2008-2023 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_ truncate 21 22 23# must specify at least 1 file 24returns_ 1 truncate --size=0 || fail=1 25 26# must specify size. don't default to 0 27returns_ 1 truncate file || fail=1 28 29# mixture of absolute size & reference not allowed 30returns_ 1 truncate --size=0 --reference=file file || fail=1 31 32# blocks without size is not valid 33returns_ 1 truncate --io-blocks --reference=file file || fail=1 34 35# must specify valid numbers 36returns_ 1 truncate --size="invalid" file || fail=1 37 38# spaces not significant around size 39returns_ 1 truncate --size="> -1" file || fail=1 40truncate --size=" >1" file || fail=1 #file now 1 41truncate --size=" +1" file || fail=1 #file now 2 42test $(stat --format %s file) = 2 || fail=1 43 44# reference allowed with relative size 45truncate --size=" +1" -r file file || fail=1 #file now 3 46test $(stat --format %s file) = 3 || fail=1 47 48# reference allowed alone also 49truncate -r file file || fail=1 #file still 3 50test $(stat --format %s file) = 3 || fail=1 51truncate -r file file2 || fail=1 #file2 now 3 52test $(stat --format %s file2) = 3 || fail=1 53 54Exit $fail 55