File Coverage

blib/lib/Test/Stream/Compare/Undef.pm

Criterion	Covered	Total	%
statement	25	25	100.0
branch	6	6	100.0
condition			n/a
subroutine	8	8	100.0
pod	3	3	100.0
total	42	42	100.0

package Test::Stream::Compare::Undef;
use strict;
use warnings;

use Carp qw/confess/;

use Test::Stream::Compare;
use Test::Stream::HashBase(
    base => 'Test::Stream::Compare',
    accessors => [qw/negate/],
);

sub name { '' }

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__