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EXODIST / Test-Stream-1.302027 / lib / Test / Stream / Compare / Undef.pm 

            

              
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package Test::Stream::Compare::Undef;
use strict;
use warnings;
use Carp qw/confess/;
use base 'Test::Stream::Compare';
use Test::Stream::HashBase accessors => [qw/negate/];
sub name { '<UNDEF>' }
sub operator {
    my $self = shift;
    return 'IS NOT' if $self->{+NEGATE};
    return 'IS';
}
sub verify {
    my $self = shift;
    my %params = @_;
    my ($got, $exists) = @params{qw/got exists/};
    return 0 unless $exists;
    return !defined($got) unless $self->{+NEGATE};
    return defined($got);
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
Test::Stream::Compare::Undef - Check that something is undefined
=head1 DEPRECATED
B<This distribution is deprecated> in favor of L<Test2>, L<Test2::Suite>, and
L<Test2::Workflow>.
See L<Test::Stream::Manual::ToTest2> for a conversion guide.
=head1 DESCRIPTION
Make sure something is undefined in a comparison. You can also check that
something is defined.
=head1 SOURCE
The source code repository for Test::Stream can be found at
F<http://github.com/Test-More/Test-Stream/>.
=head1 MAINTAINERS
=over 4
=item Chad Granum E<lt>exodist@cpan.orgE<gt>
=back
=head1 AUTHORS
=over 4
=item Chad Granum E<lt>exodist@cpan.orgE<gt>
=back
=head1 COPYRIGHT
Copyright 2015 Chad Granum E<lt>exodist7@gmail.comE<gt>.
This program is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.
See F<http://dev.perl.org/licenses/>
=cut