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use Test;
BEGIN { plan tests => 3 }
use XML::SAX::Base;
use strict;
use vars qw/%events $meth_count $one_count $two_count/;
require "./t/events.pl";
$meth_count = 0;
# Tests for in-stream switch of Handler classes.
my $handler = HandlerOne->new();
my $filter = Filter->new(DocumentHandler => $handler);
my $driver = Driver->new(DocumentHandler => $filter);
$driver->parse();
ok($one_count == 3);
ok($two_count == 3);
ok($meth_count == 6);
# end main
package Filter;
use base qw(XML::SAX::Base);
sub start_element {
my ($self, $element) = @_;
if ($main::meth_count == 3) {
$self->set_content_handler(HandlerTwo->new());
}
$self->SUPER::start_element($element);
}
1;
package HandlerOne;
use base qw(XML::SAX::Base);
sub start_element {
my ($self, $element) = @_;
$main::meth_count++;
$main::one_count++;
}
1;
package HandlerTwo;
use base qw(XML::SAX::Base);
sub start_element {
my ($self, $element) = @_;
$main::meth_count++;
$main::two_count++;
}
1;
package Driver;
use base qw(XML::SAX::Base);
sub parse {
my $self = shift;
my %events = %main::events;
$self->SUPER::start_element($events{start_element});
$self->SUPER::start_element($events{start_element});
$self->SUPER::start_element($events{start_element});
$self->SUPER::start_element($events{start_element});
$self->SUPER::start_element($events{start_element});
$self->SUPER::start_element($events{start_element});
}
1;
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