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t/TiedTreePath.t  view on Meta::CPAN

#!/usr/bin/perl -w

# Copyright 2008, 2009, 2010 Kevin Ryde

# This file is part of Gtk2-Ex-TiedListColumn.
#
# Gtk2-Ex-TiedListColumn is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as published
# by the Free Software Foundation; either version 3, or (at your option) any
# later version.
#
# Gtk2-Ex-TiedListColumn is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with Gtk2-Ex-TiedListColumn.  If not, see <http://www.gnu.org/licenses/>.

use 5.008;
use strict;
use warnings;
use Test::More tests => 2543;

use lib 't';
use MyTestHelpers;
BEGIN { MyTestHelpers::nowarnings() }

require Gtk2::Ex::TiedTreePath;

my $want_version = 5;
is ($Gtk2::Ex::TiedTreePath::VERSION, $want_version, 'VERSION variable');
is (Gtk2::Ex::TiedTreePath->VERSION,  $want_version, 'VERSION class method');
{ ok (eval { Gtk2::Ex::TiedTreePath->VERSION($want_version); 1 },
      "VERSION class check $want_version");
  my $check_version = $want_version + 1000;
  ok (! eval { Gtk2::Ex::TiedTreePath->VERSION($check_version); 1 },
      "VERSION class check $check_version");
}

require Gtk2;
MyTestHelpers::glib_gtk_versions();


#------------------------------------------------------------------------------
# new

{
  my $path = Gtk2::TreePath->new;
  my $aref = Gtk2::Ex::TiedTreePath->new ($path);
  require Scalar::Util;
  Scalar::Util::weaken ($aref);
  is ($aref, undef, 'aref garbage collected when weakened');
}

{
  my $path = Gtk2::TreePath->new;
  my $aref = Gtk2::Ex::TiedTreePath->new ($path);
  require Scalar::Util;
  Scalar::Util::weaken ($path);
  ok ($path, 'store held alive by aref');
  $aref = undef;
  is ($path, undef, 'then garbage collected when aref gone');
}


#------------------------------------------------------------------------------
# accessors

{
  my $path = Gtk2::TreePath->new;
  my @array;
  tie @array, 'Gtk2::Ex::TiedTreePath', $path, 0;
  my $tobj = tied(@array);

  is ($tobj->VERSION, $want_version, 'VERSION object method');
  $tobj->VERSION ($want_version);

  is ($tobj->path, $path, 'path() accessor');
}

{
  my $path = Gtk2::TreePath->new;
  my $aref = Gtk2::Ex::TiedTreePath->new ($path);
  my $tobj = tied(@$aref);

  is ($tobj->VERSION, $want_version, 'VERSION object method');
  $tobj->VERSION ($want_version);

  is (tied(@$aref)->path, $path, 'path() accessor');
}


#------------------------------------------------------------------------------

my $path = Gtk2::TreePath->new;
tie (my @ttp, 'Gtk2::Ex::TiedTreePath', $path);

sub path_contents {
  return [$path->get_indices];
}

sub set_path {
  while ($path->up) {}
  while (@_) { $path->append_index (shift @_) }
}

#------------------------------------------------------------------------------
# fetch

{
  my @array;
  tie @array, 'Gtk2::Ex::TiedTreePath', $path;

  set_path ();
  is ($array[0], undef);
  is ($array[1], undef);

  set_path (123);
  is ($array[0], '123');
  is ($array[1], undef);