--- /dev/null
+#!perl
+
+print "1..6\n";
+
+# This test tries to make a custom protocol implementation by
+# subclassing of LWP::Protocol.
+
+
+use LWP::UserAgent ();
+use LWP::Protocol ();
+
+LWP::Protocol::implementor(http => 'myhttp');
+
+$ua = LWP::UserAgent->new;
+$ua->proxy('ftp' => "http://www.sn.no/");
+
+$req = HTTP::Request->new(GET => 'ftp://foo/');
+$req->header(Cookie => "perl=cool");
+
+$res = $ua->request($req);
+
+print $res->as_string;
+
+print "not " unless $res->code == 200;
+print "ok 5\n";
+print "not " unless $res->content eq "Howdy\n";
+print "ok 6\n";
+exit;
+
+
+#----------------------------------
+package myhttp;
+
+BEGIN {
+ @ISA=qw(LWP::Protocol);
+}
+
+sub new
+{
+ my $class = shift;
+ print "CTOR: $class->new(@_)\n";
+ my($prot) = @_;
+ print "not " unless $prot eq "http";
+ print "ok 1\n";
+ my $self = $class->SUPER::new(@_);
+ for (keys %$self) {
+ my $v = $self->{$_};
+ $v = "<undef>" unless defined($v);
+ print "$_: $v\n";
+ }
+ $self;
+}
+
+sub request
+{
+ my $self = shift;
+ print "REQUEST: $self->request(",
+ join(",", (map defined($_)? $_ : "UNDEF", @_)), ")\n";
+
+ my($request, $proxy, $arg, $size, $timeout) = @_;
+ print $request->as_string;
+
+ print "not " unless $proxy eq "http://www.sn.no/";
+ print "ok 2\n";
+ print "not " unless $request->url eq "ftp://foo/";
+ print "ok 3\n";
+ print "not " unless $request->header("cookie") eq "perl=cool";
+ print "ok 4\n";
+
+ my $res = HTTP::Response->new(200 => "OK");
+ $res->content_type("text/plain");
+ $res->date(time);
+ $self->collect_once($arg, $res, "Howdy\n");
+ $res;
+}