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#!/usr/bin/perl
# Exercise du's --files0-from option.
# FIXME: keep this file in sync with tests/misc/wc-files0-from.
# Copyright (C) 2004-2020 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
use strict;
(my $program_name = $0) =~ s|.*/||;
my $prog = 'du';
# Turn off localization of executable's output.
@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
my @Tests =
(
# invalid extra command line argument
['f-extra-arg', '--files0-from=- no-such', {IN=>"a"}, {EXIT=>1},
{ERR => "$prog: extra operand 'no-such'\n"
. "file operands cannot be combined with --files0-from\n"
. "Try '$prog --help' for more information.\n"}
],
# missing input file
['missing', '--files0-from=missing', {EXIT=>1},
{ERR => "$prog: cannot open 'missing' for reading: "
. "No such file or directory\n"}],
# input file name of '-'
['minus-in-stdin', '--files0-from=-', '<', {IN=>{f=>'-'}}, {EXIT=>1},
{ERR => "$prog: when reading file names from stdin, no file name of"
. " '-' allowed\n"}],
# empty input, regular file
['empty', '--files0-from=@AUX@', {AUX=>''}],
# empty input, from non-regular file
['empty-nonreg', '--files0-from=/dev/null'],
# one NUL
['nul-1', '--files0-from=-', '<', {IN=>"\0"}, {EXIT=>1},
{ERR => "$prog: -:1: invalid zero-length file name\n"}],
# two NULs
['nul-2', '--files0-from=-', '<', {IN=>"\0\0"}, {EXIT=>1},
{ERR => "$prog: -:1: invalid zero-length file name\n"
. "$prog: -:2: invalid zero-length file name\n"}],
# one file name, no NUL
['1', '--files0-from=-', '<',
{IN=>{f=>"g"}}, {AUX=>{g=>''}},
{OUT=>"0\tg\n"}, {OUT_SUBST=>'s/^\d+/0/'} ],
# one file name, with NUL
['1a', '--files0-from=-', '<',
{IN=>{f=>"g\0"}}, {AUX=>{g=>''}},
{OUT=>"0\tg\n"}, {OUT_SUBST=>'s/^\d+/0/'} ],
# two identical file names, no final NUL
['2', '--files0-from=-', '<',
{IN=>{f=>"g\0g"}}, {AUX=>{g=>''}},
{OUT=>"0\tg\n"}, {OUT_SUBST=>'s/^\d+/0/'} ],
# two identical file names, with final NUL
['2a', '--files0-from=-', '<',
{IN=>{f=>"g\0g\0"}}, {AUX=>{g=>''}},
{OUT=>"0\tg\n"}, {OUT_SUBST=>'s/^\d+/0/'} ],
# Ensure that $prog processes FILEs following a zero-length name.
['zero-len', '--files0-from=-', '<',
{IN=>{f=>"\0g\0"}}, {AUX=>{g=>''}},
{OUT=>"0\tg\n"}, {OUT_SUBST=>'s/^\d+/0/'},
{ERR => "$prog: -:1: invalid zero-length file name\n"}, {EXIT=>1} ],
);
my $save_temps = $ENV{DEBUG};
my $verbose = $ENV{VERBOSE};
my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
exit $fail;
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