my $has_threads;
BEGIN { eval '
  use 5.008005; # older perls segfault on threading under CXSA
  use threads;
  use threads::shared;
  $has_threads = 1;
' }

use strict;
use warnings;
no warnings 'once';
use FindBin qw($Bin);
use File::Spec::Functions;
use File::Spec::Unix (); # need this for %INC munging
use Test::More;
use lib 't/lib';

BEGIN {
  plan skip_all => "Sub::Name not available"
    unless eval { require Sub::Name };

  require Class::Accessor::Grouped;

  my $xsa_ver = $Class::Accessor::Grouped::__minimum_xsa_version;
  eval {
    require Class::XSAccessor;
    Class::XSAccessor->VERSION ($xsa_ver);
  };
  plan skip_all => "Class::XSAccessor >= $xsa_ver not available"
    if $@;
}

# rerun the regular 3 tests under XSAccessor
our $SUBTESTING = 1;
$Class::Accessor::Grouped::USE_XS = 1;

for my $tname (qw/accessors.t accessors_ro.t accessors_wo.t/) {

  my $pass = 1;
  share($pass) if $has_threads;

  my $todo = sub {
    note "\nTesting $tname with USE_XS (pass @{[ $pass++ ]})\n\n";

    my ($tfn) = catfile($Bin, $tname) =~ /(.+)/;

    for (
      qw|AccessorGroups.pm AccessorGroups/BeenThereDoneThat.pm AccessorGroupsRO.pm AccessorGroupsSubclass.pm AccessorGroupsParent.pm AccessorGroupsWO.pm|,
      File::Spec::Unix->catfile ($tfn),
    ) {
      delete $INC{$_};
      no strict 'refs';
      if (my ($mod) = $_ =~ /(.+)\.pm$/ ) {
        %{"${mod}::"} = ();
      }
    }

    local $SIG{__WARN__} = sub { warn @_ unless $_[0] =~ /subroutine .+ redefined/i };

    do($tfn);

    666;
  };

  if ($has_threads) {
    for (1,2) {
      is (
        threads->create(sub {

          # nested threading of this sort badly blows up on 5.10.0 (fixed with 5.10.1)
          unless ($] > 5.009 and $] < 5.010001) {
            is (

              threads->create(sub {
                $todo->();
              })->join,

              666,

              'Innner thread joined ok',
            );

            is ($todo->(), 666, "Intermediate result ok");
          }

          return 777;
        })->join,

        777,

        'Outer thread joined ok',
      );

      is ($todo->(), 666, "Unthreaded run ok") for (1,2);
    }
  }
  else {
    is ($todo->(), 666, "Unthreaded run ok") for (1,2);
  }
}

done_testing;