+++ /dev/null
-#!/usr/bin/perl
-
-# This test is taken from Moose :)
-
-use strict;
-use warnings;
-
-use Test::More tests => 10;
-
-
-{
- package Human;
-
- use Mouse;
- use Mouse::Util::TypeConstraints;
-
- subtype 'Gender'
- => as 'Str'
- => where { $_ =~ m{^[mf]$}s };
-
- has 'gender' => ( is => 'ro', isa => 'Gender', required => 1 );
-
- has 'mother' => ( is => 'ro', isa => 'Human' );
- has 'father' => ( is => 'ro', isa => 'Human' );
-
- use overload '+' => \&_overload_add, fallback => 1;
-
- sub _overload_add {
- my ( $one, $two ) = @_;
-
- die('Only male and female humans may create children')
- if ( $one->gender() eq $two->gender() );
-
- my ( $mother, $father )
- = ( $one->gender eq 'f' ? ( $one, $two ) : ( $two, $one ) );
-
- my $gender = 'f';
- $gender = 'm' if ( rand() >= 0.5 );
-
- return Human->new(
- gender => $gender,
- eye_color => ( $one->eye_color() + $two->eye_color() ),
- mother => $mother,
- father => $father,
- );
- }
-
- # use List::MoreUtils 'zip'
- # code taken from List::MoreUtils
- sub zip (\@\@;\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@\@) {
- my $max = -1;
- $max < $#$_ && ( $max = $#$_ ) for @_;
-
- map { my $ix = $_; map $_->[$ix], @_; } 0 .. $max;
- }
-
-
- coerce 'Human::EyeColor'
- => from 'ArrayRef'
- => via { my @genes = qw( bey2_1 bey2_2 gey_1 gey_2 );
- return Human::EyeColor->new( zip( @genes, @{$_} ) ); };
-
- has 'eye_color' => (
- is => 'ro',
- isa => 'Human::EyeColor',
- coerce => 1,
- required => 1,
- );
-
-}
-
-{
- package Human::Gene::bey2;
-
- use Mouse;
- use Mouse::Util::TypeConstraints;
-
- type 'bey2_color' => where { $_ =~ m{^(?:brown|blue)$} };
-
- has 'color' => ( is => 'ro', isa => 'bey2_color' );
-}
-
-{
- package Human::Gene::gey;
-
- use Mouse;
- use Mouse::Util::TypeConstraints;
-
- type 'gey_color' => where { $_ =~ m{^(?:green|blue)$} };
-
- has 'color' => ( is => 'ro', isa => 'gey_color' );
-}
-
-{
- package Human::EyeColor;
-
- use Mouse;
- use Mouse::Util::TypeConstraints;
-
- coerce 'Human::Gene::bey2'
- => from 'Str'
- => via { Human::Gene::bey2->new( color => $_ ) };
-
- coerce 'Human::Gene::gey'
- => from 'Str'
- => via { Human::Gene::gey->new( color => $_ ) };
-
- has [qw( bey2_1 bey2_2 )] =>
- ( is => 'ro', isa => 'Human::Gene::bey2', coerce => 1 );
-
- has [qw( gey_1 gey_2 )] =>
- ( is => 'ro', isa => 'Human::Gene::gey', coerce => 1 );
-
- sub color {
- my ($self) = @_;
-
- return 'brown'
- if ( $self->bey2_1->color() eq 'brown'
- or $self->bey2_2->color() eq 'brown' );
-
- return 'green'
- if ( $self->gey_1->color() eq 'green'
- or $self->gey_2->color() eq 'green' );
-
- return 'blue';
- }
-
- use overload '""' => \&color, fallback => 1;
-
- use overload '+' => \&_overload_add, fallback => 1;
-
- sub _overload_add {
- my ( $one, $two ) = @_;
-
- my $one_bey2 = 'bey2_' . _rand2();
- my $two_bey2 = 'bey2_' . _rand2();
-
- my $one_gey = 'gey_' . _rand2();
- my $two_gey = 'gey_' . _rand2();
-
- return Human::EyeColor->new(
- bey2_1 => $one->$one_bey2->color(),
- bey2_2 => $two->$two_bey2->color(),
- gey_1 => $one->$one_gey->color(),
- gey_2 => $two->$two_gey->color(),
- );
- }
-
- sub _rand2 {
- return 1 + int( rand(2) );
- }
-}
-
-my $gene_color_sets = [
- [ qw( blue blue blue blue ) => 'blue' ],
- [ qw( blue blue green blue ) => 'green' ],
- [ qw( blue blue blue green ) => 'green' ],
- [ qw( blue blue green green ) => 'green' ],
- [ qw( brown blue blue blue ) => 'brown' ],
- [ qw( brown brown green green ) => 'brown' ],
- [ qw( blue brown green blue ) => 'brown' ],
-];
-
-foreach my $set (@$gene_color_sets) {
- my $expected_color = pop(@$set);
-
- my $person = Human->new(
- gender => 'f',
- eye_color => $set,
- );
-
- is(
- $person->eye_color(),
- $expected_color,
- 'gene combination '
- . join( ',', @$set )
- . ' produces '
- . $expected_color
- . ' eye color',
- );
-}
-
-my $parent_sets = [
- [
- [qw( blue blue blue blue )],
- [qw( blue blue blue blue )] => 'blue'
- ],
- [
- [qw( blue blue blue blue )],
- [qw( brown brown green blue )] => 'brown'
- ],
- [
- [qw( blue blue green green )],
- [qw( blue blue green green )] => 'green'
- ],
-];
-
-foreach my $set (@$parent_sets) {
- my $expected_color = pop(@$set);
-
- my $mother = Human->new(
- gender => 'f',
- eye_color => shift(@$set),
- );
-
- my $father = Human->new(
- gender => 'm',
- eye_color => shift(@$set),
- );
-
- my $child = $mother + $father;
-
- is(
- $child->eye_color(),
- $expected_color,
- 'mother '
- . $mother->eye_color()
- . ' + father '
- . $father->eye_color()
- . ' = child '
- . $expected_color,
- );
-}
-
-# Hmm, not sure how to test for random selection of genes since
-# I could theoretically run an infinite number of iterations and
-# never find proof that a child has inherited a particular gene.
-
-# AUTHOR: Aran Clary Deltac <bluefeet@cpan.org>
-