File Coverage

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

Criterion	Covered	Total	%
statement	49	50	98.0
branch	22	24	91.6
condition	7	9	77.7
subroutine	10	10	100.0
pod	3	4	75.0
total	91	97	93.8

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

use Carp qw/confess/;

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

sub init {
    my $self = shift;
    my $input = $self->{+INPUT};

    confess "input must be defined for 'Number' check"
        unless defined $input;

    # Check for ''
    confess "input must be a number for 'Number' check"
        unless length($input) && $input =~ m/\S/;

    $self->SUPER::init(@_);
}

sub name {
    my $self = shift;
    my $in = $self->{+INPUT};
    return $in;
}

sub operator {
    my $self = shift;
    return '' unless @_;
    my ($got) = @_;

    return '' unless defined($got);
    return '' unless length($got) && $got =~ m/\S/;

    return '!=' if $self->{+NEGATE};
    return '==';
}

sub verify {
    my $self = shift;
    my %params = @_;
    my ($got, $exists) = @params{qw/got exists/};

    return 0 unless $exists;
    return 0 unless defined $got;
    return 0 if ref $got;
    return 0 unless length($got) && $got =~ m/\S/;

    my $input  = $self->{+INPUT};
    my $negate = $self->{+NEGATE};

    my @warnings;
    my $out;
    {
        local $SIG{__WARN__} = sub { push @warnings => @_ };
        $out = $negate ? ($input != $got) : ($input == $got);
    }

    for my $warn (@warnings) {
        if ($warn =~ m/numeric/) {
            $out = 0;
            next; # This warning won't help anyone.
        }
        warn $warn;
    }

    return $out;
}

1;

__END__