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#!./perl

BEGIN {
    chdir 't' if -d 't';
    @INC = '../lib';
    require './test.pl';
}

use strict;
use warnings;
use vars qw($fh @fh %fh);

eval 'opendir(NOSUCH, "no/such/directory");';
skip_all($@) if $@;

for my $i (1..2000) {
    local *OP;
    opendir(OP, "op") or die "can't opendir: $!";
    # should auto-closedir() here
}

is(opendir(OP, "op"), 1);
my @D = grep(/^[^\.].*\.t$/i, readdir(OP));
closedir(OP);

my $expect;
{
    open my $man, '<', '../MANIFEST' or die "Can't open ../MANIFEST: $!";
    while (<$man>) {
	++$expect if m!^t/op/[^/]+\t!;
    }
}

my ($min, $max) = ($expect - 10, $expect + 10);
within(scalar @D, $expect, 10, 'counting op/*.t');

my @R = sort @D;
my @G = sort <op/*.t>;
if ($G[0] =~ m#.*\](\w+\.t)#i) {
    # grep is to convert filespecs returned from glob under VMS to format
    # identical to that returned by readdir
    @G = grep(s#.*\](\w+\.t).*#op/$1#i,<op/*.t>);
}
while (@R && @G && $G[0] eq 'op/'.$R[0]) {
	shift(@R);
	shift(@G);
}
is(scalar @R, 0, 'readdir results all accounted for');
is(scalar @G, 0, 'glob results all accounted for');

is(opendir($fh, "op"), 1);
is(ref $fh, 'GLOB');
is(opendir($fh[0], "op"), 1);
is(ref $fh[0], 'GLOB');
is(opendir($fh{abc}, "op"), 1);
is(ref $fh{abc}, 'GLOB');
isnt("$fh", "$fh[0]");
isnt("$fh", "$fh{abc}");

# See that perl does not segfault upon readdir($x="."); 
# http://rt.perl.org/rt3/Ticket/Display.html?id=68182
fresh_perl_like(<<'EOP', qr/^no crash/, {}, 'RT #68182');
  eval {
    my $x = ".";
    my @files = readdir($x);
  };
  print "no crash";
EOP

done_testing();