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TOBYINK / Type-Tiny-2.007_005 / t / 20-modules / Type-Tiny-Intersection / constrainedobject.t 

            

              
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=pod
=encoding utf-8
=head1 PURPOSE
Check C<stringifies_to>, C<numifies_to>, and C<with_attribute_values>
work for L<Type::Tiny::Intersection>.
=head1 AUTHOR
Toby Inkster E<lt>tobyink@cpan.orgE<gt>.
=head1 COPYRIGHT AND LICENCE
This software is copyright (c) 2019-2025 by Toby Inkster.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
use strict;
use warnings;
use Test::More;
use Test::TypeTiny;
BEGIN {
        package Local::Class;
        use overload (
                q[""]    => sub { shift->as_string },
                q[0+]    => sub { shift->as_number },
                fallback => 1,
        );
        sub new {
                my $class = shift;
                my %args  = ref $_[0] ? %{$_[0]} : @_;
                bless \%args => $class;
        }
        sub AUTOLOAD {
                my $self = shift;
                our $AUTOLOAD;
                (my $method = $AUTOLOAD) =~ s/^.*:://;
                $self->{$method};
        }
        sub DOES {
                my $self = shift;
                my ($role) = @_;
                return 1 if $role eq 'Local::Role';
                $self->SUPER::DOES(@_);
        }
        sub can {
                my $self = shift;
                my ($method) = @_;
                my $r = $self->SUPER::can(@_);
                return $r if $r;
                if ($method !~ /^__/) {
                        return sub { shift->{$method} };
                }
                $r;
        }
        sub DESTROY { }
};
use Type::Tiny::Class;
use Type::Tiny::Duck;
use Type::Tiny::Role;
use Types::Standard -types;
my $class_type = Type::Tiny::Class->new(class => 'Local::Class');
my $role_type  = Type::Tiny::Role->new(role => 'Local::Role');
my $duck_type  = Type::Tiny::Duck->new(methods => [qw/foo bar baz quux/]);
my $intersect = $class_type & $role_type & $duck_type;
my $new = $intersect->with_attribute_values(foo => '%_<5');
my @new = @{ $new->type_constraints };
ok($new->[0] == $class_type->with_attribute_values(foo => '%_<5'));
ok($new->[1] == $role_type);
ok($new->[2] == $duck_type);
# nothing can pass this constraint but that doesn't matter
my $new2 = ((Int) & $class_type & (ArrayRef) & $role_type & $duck_type)
        ->with_attribute_values(foo => '%_<5');
my @new2 = @{ $new2->type_constraints };
ok($new2->[0] == Int);
ok($new2->[1] == $class_type->with_attribute_values(foo => '%_<5'));
ok($new2->[2] == ArrayRef);
ok($new2->[3] == $role_type);
ok($new2->[4] == $duck_type);
my $new3 = ((Int) & $class_type & (ArrayRef) & $role_type & $duck_type)
        ->stringifies_to( Enum['abc','xyz'] );
ok($new3->[0] == Int);
ok($new3->[1] == $class_type->stringifies_to( Enum['abc','xyz'] ));
ok($new3->[2] == ArrayRef);
ok($new3->[3] == $role_type);
ok($new3->[4] == $duck_type);
my $new4 = ((Int) & $class_type & (ArrayRef) & $role_type & $duck_type)
        ->numifies_to( Enum[1..4] );
ok($new4->[0] == Int);
ok($new4->[1] == $class_type->numifies_to( Enum[1..4] ));
ok($new4->[2] == ArrayRef);
ok($new4->[3] == $role_type);
ok($new4->[4] == $duck_type);
my $working = ( (Ref['HASH']) & ($class_type) )->numifies_to(Enum[42]);
ok $working->can_be_inlined;
should_pass( 'Local::Class'->new( as_number => 42 ), $working );
should_fail( 'Local::Class'->new( as_number => 41 ), $working );
done_testing();