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#!perl -w
print "1..6\n";
use strict;
use Digest::MD4 qw(md4_hex);
my $a = Digest::MD4->new;
$a->add("a");
my $b = $a->clone;
print "not " unless $b->clone->hexdigest eq md4_hex("a");
print "ok 1\n";
$a->add("a");
print "not " unless $a->hexdigest eq md4_hex("aa");
print "ok 2\n";
print "not " unless $a->hexdigest eq md4_hex("");
print "ok 3\n";
$b->add("b");
print "not " unless $b->clone->hexdigest eq md4_hex("ab");
print "ok 4\n";
$b->add("c");
print "not " unless $b->clone->hexdigest eq md4_hex("abc");
print "ok 5\n";
# Test that cloning picks up the correct class for subclasses.
{
package MD4;
@MD4::ISA = qw(Digest::MD4);
}
$a = MD4->new;
$a->add("a");
$b = $a->clone;
print "not " unless ref($b) eq "MD4" && $b->add("b")->hexdigest eq md4_hex("ab");
print "ok 6\n";
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