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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";
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