6 my $ua = LWP::UserAgent->new(keep_alive => 1);
8 my $req = HTTP::Request->new(GET => "http://jigsaw.w3.org/HTTP/h-content-md5.html");
9 $req->header("TE", "deflate");
11 my $res = $ua->request($req);
13 use Digest::MD5 qw(md5_base64);
14 print "not " unless $res->header("Content-MD5") eq md5_base64($res->content) . "==";
17 print $res->as_string;
19 my $etag = $res->header("etag");
20 $req->header("If-None-Match" => $etag);
22 $res = $ua->request($req);
23 print $res->as_string;
25 print "not " unless $res->code eq "304" && $res->header("Client-Response-Num") == 2;