--- /dev/null
+#!perl
+
+use warnings;
+use strict;
+use Test::More tests => 16;
+
+use lib 't/local';
+use LocalServer;
+
+BEGIN {
+ delete @ENV{ grep { lc eq 'http_proxy' } keys %ENV };
+ delete @ENV{ qw( IFS CDPATH ENV BASH_ENV ) };
+ use_ok( 'WWW::Mechanize' );
+}
+
+
+my $server = LocalServer->spawn;
+isa_ok( $server, 'LocalServer' );
+
+STANDARD_STACK: {
+ my $mech = WWW::Mechanize->new;
+ isa_ok( $mech, 'WWW::Mechanize', 'Created object' );
+
+ is( scalar @{$mech->{page_stack}}, 0, 'Page stack starts empty' );
+ ok( $mech->get($server->url)->is_success, 'Got start page' );
+ is( scalar @{$mech->{page_stack}}, 0, 'Page stack starts empty' );
+ $mech->_push_page_stack();
+ is( scalar @{$mech->{page_stack}}, 1, 'Pushed item onto page stack' );
+ $mech->_push_page_stack();
+ is( scalar @{$mech->{page_stack}}, 2, 'Pushed item onto page stack' );
+ $mech->_pop_page_stack();
+ is( scalar @{$mech->{page_stack}}, 1, 'Popped item from page stack' );
+ $mech->_pop_page_stack();
+ is( scalar @{$mech->{page_stack}}, 0, 'Popped item from page stack' );
+ $mech->_pop_page_stack();
+ is( scalar @{$mech->{page_stack}}, 0, 'Cannot pop beyond end of page stack' );
+}
+
+NO_STACK: {
+ my $mech = WWW::Mechanize->new;
+ isa_ok( $mech, 'WWW::Mechanize', 'Created object' );
+ $mech->stack_depth(0);
+
+ is( scalar @{$mech->{page_stack}}, 0, 'Page stack starts empty' );
+ ok( $mech->get($server->url)->is_success, 'Got start page' );
+ is( scalar @{$mech->{page_stack}}, 0, 'Page stack starts empty' );
+ $mech->_push_page_stack();
+ is( scalar @{$mech->{page_stack}}, 0, 'Pushing has no effect' );
+}