#!/usr/bin/perl
# $Id$
use strict;
use warnings;
use Test::More tests => 4;
use File::Path qw(rmtree);
use Test::File 1.993 ();
# TEST
use_ok('File::Find::Object');
mkdir('t/dir');
mkdir('t/dir/a');
mkdir('t/dir/b');
open( my $h, ">", 't/dir/file' );
close($h);
# symlink does not exists everywhere (windows)
# if it failed, this does not matter
eval { symlink( '.', 't/dir/link' ); };
my $has_symlinks = Test::File->has_symlinks();
my ( @res1, @res2 );
my $tree = File::Find::Object->new(
    {
        callback => sub {
            push( @res1, $_[0] );
        },
        followlink => 1,
    },
    't/dir'
);
my @warnings;
local $SIG{__WARN__} = sub { my $w = shift; push @warnings, $w; };
# TEST
ok( $tree, "Can get tree object" );
while ( my $r = $tree->next() )
{
    push( @res2, $r );
}
# TEST
ok( scalar(@res1) == scalar(@res2), "Get same result from callback and next" );
# TEST
if ($has_symlinks)
{
    like(
        $warnings[0],
        qr{\AAvoid loop (\S+) => \1\S+?link\r?\n?\z},
        "Avoid loop warning"
    );
}
else
{
    pass("No symlink.");
}
# Cleanup
rmtree( 't/dir', 0, 1 );