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#!/usr/bin/perl
# Basic tests for "md5sum".

# Copyright (C) 1998-1999, 2003, 2005, 2007-2009 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 <http://www.gnu.org/licenses/>.

use strict;

my $prog = 'md5sum';

# Turn off localization of executable's output.
@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;

my $degenerate = "d41d8cd98f00b204e9800998ecf8427e";

my @Tests =
    (
     ['1', {IN=> {f=> ''}},	{OUT=>"$degenerate  f\n"}],
     ['2', {IN=> {f=> 'a'}},	{OUT=>"0cc175b9c0f1b6a831c399e269772661  f\n"}],
     ['3', {IN=> {f=> 'abc'}},	{OUT=>"900150983cd24fb0d6963f7d28e17f72  f\n"}],
     ['4', {IN=> {f=> 'message digest'}},
                                {OUT=>"f96b697d7cb7938d525a2f31aaf161d0  f\n"}],
     ['5', {IN=> {f=> 'abcdefghijklmnopqrstuvwxyz'}},
                                {OUT=>"c3fcd3d76192e4007dfb496cca67e13b  f\n"}],
     ['6', {IN=> {f=> join ('', 'A'..'Z', 'a'..'z', '0'..'9')}},
                                {OUT=>"d174ab98d277d9f5a5611c2c9f419d9f  f\n"}],
     ['7', {IN=> {f=> '1234567890' x 8}},
                                {OUT=>"57edf4a22be3c955ac49da2e2107b67a  f\n"}],
     ['backslash', {IN=> {".\\foo"=> ''}},
                                {OUT=>"\\$degenerate  .\\\\foo\n"}],
     ['check-1', '--check', {AUX=> {f=> ''}},
                                {IN=> {'f.md5' => "$degenerate  f\n"}},
                                {OUT=>"f: OK\n"}],
     ['check-2', '--check', '--status', {IN=>{'f.md5' => "$degenerate  f\n"}},
                                {AUX=> {f=> 'foo'}}, {EXIT=> 1}],
     ['check-quiet1', '--check', '--quiet', {AUX=> {f=> ''}},
                                {IN=> {'f.md5' => "$degenerate  f\n"}},
                                {OUT=>""}],
     ['check-quiet2', '--check', '--quiet',
                                {IN=>{'f.md5' => "$degenerate  f\n"}},
                                {AUX=> {f=> 'foo'}}, {OUT=>"f: FAILED\n"},
                                {ERR=>"md5sum: WARNING: 1 of 1 computed"
                                       . " checksum did NOT match\n"},
                                {EXIT=> 1}],
     # The sha1sum and md5sum drivers share a lot of code.
     # Ensure that md5sum does *not* share the part that makes
     # sha1sum accept BSD format.
     ['check-bsd', '--check', {IN=> {'f.sha1' => "SHA1 (f) = $degenerate\n"}},
                                {AUX=> {f=> ''}},
                                {ERR=>"md5sum: f.sha1: no properly formatted "
                                       . "MD5 checksum lines found\n"},
                                {EXIT=> 1}],
     ['check-bsd2', '--check', {IN=> {'f.md5' => "MD5 (f) = $degenerate\n"}},
                                {AUX=> {f=> ''}}, {OUT=>"f: OK\n"}],
     ['check-bsd3', '--check', '--status',
                                {IN=> {'f.md5' => "MD5 (f) = $degenerate\n"}},
                                {AUX=> {f=> 'bar'}}, {EXIT=> 1}],
     ['bsd-segv', '--check', {IN=> {'z' => "MD5 ("}}, {EXIT=> 1},
      {ERR=> "$prog: z: no properly formatted MD5 checksum lines found\n"}],

     # Ensure that when there's a NUL byte among the checksum hex digits
     # we detect the invalid formatting and don't even open the file.
     # Up to coreutils-6.10, this would report:
     #   h: FAILED
     #   md5sum: WARNING: 1 of 1 computed checksum did NOT match
     ['nul-in-cksum', '--check', {IN=> {'h'=>("\0"x32)."  h\n"}}, {EXIT=> 1},
      {ERR=> "$prog: h: no properly formatted MD5 checksum lines found\n"}],
    );

# Insert the `--text' argument for each test.
my $t;
foreach $t (@Tests)
  {
    splice @$t, 1, 0, '--text' unless @$t[1] =~ /--check/;
  }

my $save_temps = $ENV{DEBUG};
my $verbose = $ENV{VERBOSE};

my $fail = run_tests ($prog, $prog, \@Tests, $save_temps, $verbose);
exit $fail;