summaryrefslogtreecommitdiff
path: root/cpan/Digest-SHA/t/bitbuf.t
blob: a8b5472abaca80c4c74f4f6249cab0331357bfb9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
BEGIN {
	if ($ENV{PERL_CORE}) {
		chdir 't' if -d 't';
		@INC = '../lib';
	}
}

use strict;
use Digest::SHA;

my $numtests = 4;
print "1..$numtests\n";

	# Here's the bitstring to test against, and its SHA-1 digest

my $ONEBITS = pack("B*", "1" x 80000);
my $digest = "11003389959355c2773af6b0f36d842fe430ec49";

my $state = Digest::SHA->new("sHa1");
my $testnum = 1;

$state->add_bits($ONEBITS, 80000);
print "not " unless $state->hexdigest eq $digest;
print "ok ", $testnum++, "\n";

	# buffer using a series of increasingly large bitstrings

# Note that (1 + 2 + ... + 399) + 200 = 80000

for (1 .. 399) {
	$state->add_bits($ONEBITS, $_);
}
$state->add_bits($ONEBITS, 200);

print "not " unless $state->hexdigest eq $digest;
print "ok ", $testnum++, "\n";

	# create a buffer-alignment nuisance

$state = Digest::SHA->new("1");

$state->add_bits($ONEBITS, 1);
for (1 .. 99) {
	$state->add_bits($ONEBITS, 800);
}
$state->add_bits($ONEBITS, 799);

print "not " unless $state->hexdigest eq $digest;
print "ok ", $testnum++, "\n";

	# buffer randomly-sized bitstrings

my $reps = 80000;
my $maxbits = 8 * 127;

$state = Digest::SHA->new(1);

while ($reps > $maxbits) {
	my $num = int(rand($maxbits));
	$state->add_bits($ONEBITS, $num);
	$reps -= $num;
}
$state->add_bits($ONEBITS, $reps);

print "not " unless $state->hexdigest eq $digest;
print "ok ", $testnum++, "\n";