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#!/usr/bin/perl
=head1
Week 140:
https://theweeklychallenge.org/blog/perl-weekly-challenge-140
Task #1: Add Binary
You are given two decimal-coded binary numbers, $a and $b.
Write a script to simulate the addition of the given binary numbers.
=cut
package Binary;
use strict;
use warnings;
use overload '+' => 'add', '""' => 'stringify';
sub new {
my ($class, $value) = @_;
my $self = {
binary => $value,
decimal => oct("0b" . $value),
};
bless $self, $class;
return $self;
}
sub add {
my ($self, $other) = @_;
return Binary->new( sprintf("%b", $self->{decimal} + $other->{decimal}) );
}
sub stringify {
my ($self) = @_;
return $self->{binary};
}
package main;
use Test::More;
my $ex1 = Binary->new('11') + Binary->new('1');
my $ex2 = Binary->new('101') + Binary->new('1');
my $ex3 = Binary->new('100') + Binary->new('11');
is("$ex1", '100', 'Example 1');
is("$ex2", '110', 'Example 2');
is("$ex3", '111', 'Example 3');
done_testing;
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