#!./perl

BEGIN {
    unless(grep /blib/, @INC) {
        chdir 't' if -d 't';
        @INC = '../lib';
    }
    require Config; import Config;
    if ($] < 5.00326 || not $Config{'d_readdir'}) {
	print "1..0 # Skip: readdir() not available\n";
	exit 0;
    }
}

select(STDERR); $| = 1;
select(STDOUT); $| = 1;

use IO::Dir qw(DIR_UNLINK);

my $tcount = 0;

sub ok {
  $tcount++;
  my $not = $_[0] ? '' : 'not ';
  print "${not}ok $tcount\n";
}

print "1..10\n";

my $DIR = $^O eq 'MacOS' ? ":" : ".";

$dot = new IO::Dir $DIR;
ok(defined($dot));

@a = sort <*>;
do { $first = $dot->read } while defined($first) && $first =~ /^\./;
ok(+(grep { $_ eq $first } @a));

@b = sort($first, (grep {/^[^.]/} $dot->read));
ok(+(join("\0", @a) eq join("\0", @b)));

$dot->rewind;
@c = sort grep {/^[^.]/} $dot->read;
ok(+(join("\0", @b) eq join("\0", @c)));

$dot->close;
$dot->rewind;
ok(!defined($dot->read));

open(FH,'>X') || die "Can't create x";
print FH "X";
close(FH) or die "Can't close: $!";

tie %dir, IO::Dir, $DIR;
my @files = keys %dir;

# I hope we do not have an empty dir :-)
ok(scalar @files);

my $stat = $dir{'X'};
ok(defined($stat) && UNIVERSAL::isa($stat,'File::stat') && $stat->size == 1);

delete $dir{'X'};

ok(-f 'X');

tie %dirx, IO::Dir, $DIR, DIR_UNLINK;

my $statx = $dirx{'X'};
ok(defined($statx) && UNIVERSAL::isa($statx,'File::stat') && $statx->size == 1);

delete $dirx{'X'};

ok(!(-f 'X'));