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: / usr / share / doc / perl-Devel-GlobalDestruction / t /
Filename : 01_basic.t
back
use strict;
use warnings;

BEGIN {
  if ($ENV{DEVEL_GLOBALDESTRUCTION_PP_TEST}) {
    unshift @INC, sub {
      die 'no XS' if $_[1] eq 'Devel/GlobalDestruction/XS.pm';
    };
  }
}

BEGIN {
  package Test::Scope::Guard;
  sub new { my ($class, $code) = @_; bless [$code], $class; }
  sub DESTROY { my $self = shift; $self->[0]->() }
}

print "1..9\n";

our $had_error;

# try to ensure this is the last-most END so we capture future tests
# running in other ENDs
if ($] >= 5.008) {
  require B;
  my $reinject_retries = my $max_retry = 5;
  my $end_worker;
  $end_worker = sub {
    my $tail = (B::end_av()->ARRAY)[-1];
    if (!defined $tail or $tail == $end_worker) {
      $? = $had_error || 0;
      $reinject_retries = 0;
    }
    elsif ($reinject_retries--) {
      push @{B::end_av()->object_2svref}, $end_worker;
    }
    else {
      print STDERR "\n\nSomething is racing with @{[__FILE__]} for final END block definition - can't win after $max_retry iterations :(\n\n";
      require POSIX;
      POSIX::_exit( 255 );
    }
  };
  eval 'END { push @{B::end_av()->object_2svref}, $end_worker }';
}
# B::end_av isn't available on 5.6, so just use a basic end block
else {
  eval 'END { $? = $had_error || 0 }';
}

sub ok ($$) {
  $had_error++, print "not " if !$_[0];
  print "ok";
  print " - $_[1]" if defined $_[1];
  print "\n";
}

END {
  ok( ! in_global_destruction(), 'Not yet in GD while in END block 2' )
}

ok( eval "use Devel::GlobalDestruction; 1", "use Devel::GlobalDestruction" );

ok( defined &in_global_destruction, "exported" );

ok( defined prototype \&in_global_destruction, "defined prototype" );

ok( prototype \&in_global_destruction eq "", "empty prototype" );

ok( ! in_global_destruction(), "Runtime is not GD" );

our $sg1;
$sg1 = Test::Scope::Guard->new(sub { ok( in_global_destruction(), "Final cleanup object destruction properly in GD" ) });

END {
  ok( ! in_global_destruction(), 'Not yet in GD while in END block 1' )
}

our $sg2 = Test::Scope::Guard->new(sub { ok( ! in_global_destruction(), "Object destruction in END not considered GD" ) });
END { undef $sg2 }