files.t revision 1.4 
1
2print "1..3\n";
3
4use strict;
5use Digest::MD5 qw(md5 md5_hex md5_base64);
6
7# To update the EBCDIC section even on a Latin 1 platform,
8# run this script with $ENV{EBCDIC_MD5SUM} set to a true value.
9# (You'll need to have Perl 5.7.3 or later, to have the Encode installed.)
10# (And remember that under the Perl core distribution you should
11#  also have the $ENV{PERL_CORE} set to a true value.)
12
13my $EXPECT;
14if (ord "A" == 193) { # EBCDIC
15    $EXPECT = <<EOT;
160956ffb4f6416082b27d6680b4cf73fc  README
17b349234bb1005785bb6e377990209dc7  MD5.xs
18276da0aa4e9a08b7fe09430c9c5690aa  rfc1321.txt
19EOT
20} else {
21    # This is the output of: 'md5sum README MD5.xs rfc1321.txt'
22    $EXPECT = <<EOT;
232f93400875dbb56f36691d5f69f3eba5  README
241d2a7c4f7a6180a7f3369d703ffe7cd0  MD5.xs
25754b9db19f79dbc4992f7166eb0f37ce  rfc1321.txt
26EOT
27}
28
29if (!(-f "README") && -f "../README") {
30   chdir("..") or die "Can't chdir: $!";
31}
32
33my $testno = 0;
34
35my $B64 = 1;
36eval { require MIME::Base64; };
37if ($@) {
38    print "# $@: Will not test base64 methods\n";
39    $B64 = 0;
40}
41
42for (split /^/, $EXPECT) {
43     my($md5hex, $file) = split ' ';
44     my $base = $file;
45#     print "# $base\n";
46     if ($ENV{PERL_CORE}) {
47         if ($file eq 'rfc1321.txt') { # Don't have it in core.
48	     print "ok ", ++$testno, " # Skip: PERL_CORE\n";
49	     next;
50	 }
51     }
52#     print "# file = $file\n";
53     unless (-f $file) {
54	warn "No such file: $file\n";
55	next;
56     }
57     if ($ENV{EBCDIC_MD5SUM}) {
58         require Encode;
59	 my $data = cat_file($file);	
60	 Encode::from_to($data, 'latin1', 'cp1047');
61	 print md5_hex($data), "  $base\n";
62	 next;
63     }
64     my $md5bin = pack("H*", $md5hex);
65     my $md5b64;
66     if ($B64) {
67	 $md5b64 = MIME::Base64::encode($md5bin, "");
68	 chop($md5b64); chop($md5b64);   # remove padding
69     }
70     my $failed;
71     my $got;
72
73     if (digest_file($file, 'digest') ne $md5bin) {
74	 print "$file: Bad digest\n";
75	 $failed++;
76     }
77
78     if (($got = digest_file($file, 'hexdigest')) ne $md5hex) {
79	 print "$file: Bad hexdigest: got $got expected $md5hex\n";
80	 $failed++;
81     }
82
83     if ($B64 && digest_file($file, 'b64digest') ne $md5b64) {
84	 print "$file: Bad b64digest\n";
85	 $failed++;
86     }
87
88     my $data = cat_file($file);
89     if (md5($data) ne $md5bin) {
90	 print "$file: md5() failed\n";
91	 $failed++;
92     }
93     if (md5_hex($data) ne $md5hex) {
94	 print "$file: md5_hex() failed\n";
95	 $failed++;
96     }
97     if ($B64 && md5_base64($data) ne $md5b64) {
98	 print "$file: md5_base64() failed\n";
99	 $failed++;
100     }
101
102     if (Digest::MD5->new->add($data)->digest ne $md5bin) {
103	 print "$file: MD5->new->add(...)->digest failed\n";
104	 $failed++;
105     }
106     if (Digest::MD5->new->add($data)->hexdigest ne $md5hex) {
107	 print "$file: MD5->new->add(...)->hexdigest failed\n";
108	 $failed++;
109     }
110     if ($B64 && Digest::MD5->new->add($data)->b64digest ne $md5b64) {
111	 print "$file: MD5->new->add(...)->b64digest failed\n";
112	 $failed++;
113     }
114
115     my @data = split //, $data;
116     if (md5(@data) ne $md5bin) {
117	 print "$file: md5(\@data) failed\n";
118	 $failed++;
119     }
120     if (Digest::MD5->new->add(@data)->digest ne $md5bin) {
121	 print "$file: MD5->new->add(\@data)->digest failed\n";
122	 $failed++;
123     }
124     my $md5 = Digest::MD5->new;
125     for (@data) {
126	 $md5->add($_);
127     }
128     if ($md5->digest ne $md5bin) {
129	 print "$file: $md5->add()-loop failed\n";
130	 $failed++;
131     }
132
133     print "not " if $failed;
134     print "ok ", ++$testno, "\n";
135}
136
137
138sub digest_file
139{
140    my($file, $method) = @_;
141    $method ||= "digest";
142    #print "$file $method\n";
143
144    open(FILE, $file) or die "Can't open $file: $!";
145    my $digest = Digest::MD5->new->addfile(*FILE)->$method();
146    close(FILE);
147
148    $digest;
149}
150
151sub cat_file
152{
153    my($file) = @_;
154    local $/;  # slurp
155    open(FILE, $file) or die "Can't open $file: $!";
156
157    # For PerlIO in case of UTF-8 locales.
158    eval 'binmode(FILE, ":bytes")' if $] >= 5.008;
159
160    my $tmp = <FILE>;
161    close(FILE);
162    $tmp;
163}
164
165