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