1 package Test::Valgrind::Util;
8 Test::Valgrind::Util - Utility routines for Test::Valgrind.
16 our $VERSION = '1.17';
20 This module contains some helpers used by Test::Valgrind.
21 It is not really designed to be used anywhere else.
25 =head2 C<validate_subclass>
27 my ($validated_type, $error_msg) = validate_subclass($type);
29 Try to interpret C<$type> as a subclass of the caller package, and load it if its C<@ISA> is empty.
30 Returns the validated type, or C<undef> and the relevant error message.
34 sub validate_subclass {
37 my $base = (caller 0)[0];
39 $type =~ s/[^A-Za-z0-9_:]//g;
40 $type = "${base}::$type" if $type !~ /::/;
42 my $stash = do { no strict 'refs'; \%{"${type}::"} };
43 my $ISA = ($stash && $stash->{ISA}) ? *{$stash->{ISA}}{ARRAY} : undef;
45 unless ($ISA and @$ISA >= 1) {
47 eval "require $type; 1" or return (undef, "Could not load subclass: $@");
50 return (undef, "$type is not a subclass of $base") unless $type->isa($base);
57 This module does not export anything.
65 Vincent Pit, C<< <perl at profvince.com> >>, L<http://www.profvince.com>.
67 You can contact me by mail or on C<irc.perl.org> (vincent).
71 Please report any bugs or feature requests to C<bug-test-valgrind at rt.cpan.org>, or through the web interface at L<http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Test-Valgrind>.
72 I will be notified, and then you'll automatically be notified of progress on your bug as I make changes.
76 You can find documentation for this module with the perldoc command.
78 perldoc Test::Valgrind::Component
80 =head1 COPYRIGHT & LICENSE
82 Copyright 2015 Vincent Pit, all rights reserved.
84 This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
88 1; # End of Test::Valgrind::Util