--- /dev/null
+#!/usr/bin/perl -w
+
+use warnings;
+use strict;
+use FindBin;
+
+use Test::More tests => 13;
+
+BEGIN {
+ delete @ENV{ grep { lc eq 'http_proxy' } keys %ENV };
+ delete @ENV{ qw( IFS CDPATH ENV BASH_ENV ) };
+ use_ok( 'WWW::Mechanize' );
+}
+
+our $server;
+my $agent = WWW::Mechanize->new();
+isa_ok( $agent, 'WWW::Mechanize' );
+
+SKIP: {
+ eval { require HTTP::Daemon; };
+ skip 'HTTP::Daemon required to test the referrer header',10 if $@;
+
+ # We want to be safe from non-resolving local host names
+ delete $ENV{HTTP_PROXY};
+
+ # Now start a fake webserver, fork, and connect to ourselves
+ my $command = qq'"$^X" "$FindBin::Bin/referer-server"';
+ if ($^O eq 'VMS') {
+ $command = qq'mcr $^X t/referer-server';
+ }
+
+ open $server, "$command |" or die "Couldn't spawn fake server: $!";
+ sleep 1; # give the child some time
+ my $url = <$server>;
+ chomp $url;
+
+ $agent->get( $url );
+ is($agent->status, 200, 'Got first page') or diag $agent->res->message;
+ is($agent->content, q{Referer: ''}, 'First page gets sent with empty referrer');
+
+ $agent->get( $url );
+ is($agent->status, 200, 'Got second page') or diag $agent->res->message;
+ is($agent->content, "Referer: '$url'", 'Referer got sent for absolute url');
+
+ $agent->get( '.' );
+ is($agent->status, 200, 'Got third page') or diag $agent->res->message;
+ is($agent->content, "Referer: '$url'", 'Referer got sent for relative url');
+
+ $agent->add_header( Referer => 'x' );
+ $agent->get( $url );
+ is($agent->status, 200, 'Got fourth page') or diag $agent->res->message;
+ is($agent->content, q{Referer: 'x'}, 'Referer can be set to empty again');
+
+ my $ref = 'This is not the referer you are looking for *jedi gesture*';
+ $agent->add_header( Referer => $ref );
+ $agent->get( $url );
+ is($agent->status, 200, 'Got fourth page') or diag $agent->res->message;
+ is($agent->content, "Referer: '$ref'", 'Custom referer can be set');
+};
+
+SKIP: {
+ eval 'use Test::Memory::Cycle';
+ skip 'Test::Memory::Cycle not installed', 1 if $@;
+
+ memory_cycle_ok( $agent, 'No memory cycles found' );
+}
+
+END {
+ close $server if $server;
+};