1#!perl -w 2 3use strict; 4use warnings; 5 6use Digest::MD5 qw(md5_hex); 7 8print "1..6\n"; 9 10my $a = Digest::MD5->new; 11$a->add("a"); 12my $b = $a->clone; 13 14print "not " unless $b->clone->hexdigest eq md5_hex("a"); 15print "ok 1\n"; 16 17$a->add("a"); 18print "not " unless $a->hexdigest eq md5_hex("aa"); 19print "ok 2\n"; 20 21print "not " unless $a->hexdigest eq md5_hex(""); 22print "ok 3\n"; 23 24$b->add("b"); 25print "not " unless $b->clone->hexdigest eq md5_hex("ab"); 26print "ok 4\n"; 27 28$b->add("c"); 29print "not " unless $b->clone->hexdigest eq md5_hex("abc"); 30print "ok 5\n"; 31 32# Test that cloning picks up the correct class for subclasses. 33{ 34 package MD5; 35 @MD5::ISA = qw(Digest::MD5); 36} 37 38$a = MD5->new; 39$a->add("a"); 40$b = $a->clone; 41 42print "not " unless ref($b) eq "MD5" && $b->add("b")->hexdigest eq md5_hex("ab"); 43print "ok 6\n"; 44