root/branches/release-40/t/lib/Test/Deep/Number.pm @ 2583

use strict;
use warnings;

package Test::Deep::Number;

use Test::Deep::Cmp;

use Scalar::Util;

sub init
{
        my $self = shift;

        $self->{val} = shift(@_) + 0;
        $self->{tolerance} = shift;
}

sub descend
{
        my $self = shift;
        my $got = shift;
        $self->data->{got_string} = $got;
        {
                no warnings 'numeric';
                $got += 0;
        }

        $self->data->{got} = $got;
        if (defined(my $tolerance = $self->{tolerance}))
        {
                return abs($got - $self->{val}) <= $tolerance;
        }
        else
        {
                return $got == $self->{val};
        }
}

sub diag_message
{
        my $self = shift;

        my $where = shift;

        return "Comparing $where as a number";
}

sub renderGot
{
        my $self = shift;
        my $val = shift;

        my $got_string = $self->data->{got_string};
        if ("$val" ne "$got_string")
        {
                $got_string = $self->SUPER::renderGot($got_string);
                return "$val ($got_string)"
        }
        else
        {
                return $val;
        }
}
sub renderExp
{
        my $self = shift;

        my $exp = $self->{val};

        if (defined(my $tolerance = $self->{tolerance}))
        {
                return "$exp +/- $tolerance";
        }
        else
        {
                return $exp;
        }
}

1;