scripts/t/Dpkg_Exit.t

   1 #!/usr/bin/perl
   2 #
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 2 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  15
  16 use strict;
  17 use warnings;
  18
  19 use Test::More tests => 7;
  20
  21 BEGIN {
  22     use_ok('Dpkg::Exit');
  23 }
  24
  25 my $track = 0;
  26
  27 sub test_handler {
  28     $track++;
  29 }
  30
  31 Dpkg::Exit::run_exit_handlers();
  32
  33 is($track, 0, 'no handlers run');
  34
  35 Dpkg::Exit::push_exit_handler(\&test_handler);
  36 Dpkg::Exit::pop_exit_handler();
  37
  38 Dpkg::Exit::run_exit_handlers();
  39
  40 is($track, 0, 'push/pop; no handlers run');
  41
  42 Dpkg::Exit::push_exit_handler(\&test_handler);
  43
  44 Dpkg::Exit::run_exit_handlers();
  45
  46 is($track, 1, 'push; handler run');
  47
  48 # Check the exit handlers, must be the last thing done.
  49 sub exit_handler {
  50     pass('exit handler invoked');
  51     exit 0;
  52 }
  53
  54 sub ini_handler {
  55     pass('ini handler invoked');
  56 }
  57
  58 sub end_handler {
  59     pass('end handler invoked');
  60 }
  61
  62 Dpkg::Exit::push_exit_handler(\&end_handler);
  63 Dpkg::Exit::push_exit_handler(\&exit_handler);
  64 Dpkg::Exit::push_exit_handler(\&ini_handler);
  65
  66 kill 'INT', $$;