#!/bin/perl -w
use strict;
use Carp;

# test for the various conditions in navigation methods

$|=1;

use XML::Twig;

my $nb_tests=4;
print "1..$nb_tests\n";

my $result;
my $t= XML::Twig->new( pi => 'process',
                       twig_handlers => { '?pi' => sub { $result .=$_->text; } },
                     );
$t->parse( q{<doc id="doc"><?pi pi in doc ?></doc>});
my $expected= '<?pi pi in doc ?>';
if( $result eq $expected)
  { print "ok 1\n"; }
else
  { print "not ok 1\n";
    warn "expected: $expected\nfound   : $result\n";
  }

$result='';
$t= XML::Twig->new( pi => 'process',
                       twig_handlers => { '?pi' => sub { $result .=$_->text; } },
                     );
$t->parse( q{<?pi pi in doc ?><doc id="doc"></doc>});
$expected= '<?pi pi in doc ?>';
if( $result eq $expected)
  { print "ok 2\n"; }
else
  { print "not ok 2\n";
    warn "expected: $expected\nfound   : $result\n";
  }

$result='';
$t= XML::Twig->new( twig_handlers => { 'doc' => sub { $result= $_->{extra_data}; } },);
$t->parse( q{<?pi pi in doc ?><doc id="doc"></doc>});
$expected= '<?pi pi in doc ?>';
if( $result eq $expected)
  { print "ok 3\n"; }
else
  { print "not ok 3\n";
    warn "expected: $expected\nfound   : $result\n";
  }


$result='';
$t= XML::Twig->new( pi => 'process',
                    twig_roots => { '?pi' => sub { $result= $_->target . "/" . $_->data; },
                                    elt         => sub { },
                                  });
$t->parse( q{<?pi pi in doc ?><doc id="doc"><elt/></doc>});
$expected= 'pi/pi in doc ';  
if( $result eq $expected)
  { print "ok 4\n"; }
else
  { print "not ok 4\n";
    warn "expected: /$expected/\nfound   : /$result/\n";
  }

exit 0;