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TOBYINK / Type-Tiny-2.008001 / t / 20-modules / Type-Library / recursive-type-definitions.t 

            

              
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=pod
=encoding utf-8
=head1 PURPOSE
Tests that types may be defined recursively.
=head1 AUTHOR
Toby Inkster E<lt>tobyink@cpan.orgE<gt>.
=head1 COPYRIGHT AND LICENCE
This software is copyright (c) 2020-2025 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;
BEGIN {
        package MyTypes;
         
        use Type::Library -base, -declare => 'MyHashRef';
        use Types::Standard -types;
         
        __PACKAGE__->add_type(
                name    => MyHashRef,
                parent  => HashRef[ Int | MyHashRef ],
        );
         
        $INC{'MyTypes.pm'} = __FILE__; # stop `use` from complaining
};
use MyTypes -types;
my %good1 = ( foo => 1, bar => 2 );
my %good2 = ( %good1, bat => {}, baz => { foo => 3 } );
my %good3 = ( %good2, quux => { quuux => { quuuux => 0, xyzzy => {} } } );
my %bad1 = ( %good1, bar => \1 );
my %bad2 = ( %good2, baz => { foo => \1 } );
my %bad3 = ( %good3, quux => { quuux => { quuuux => 0, xyzzy => \1 } } );
ok( MyHashRef->can_be_inlined );
ok( MyHashRef->check( {} ) );
ok( MyHashRef->check( \%good1 ) );
ok( MyHashRef->check( \%good2 ) );
ok( MyHashRef->check( \%good3 ) );
ok( ! MyHashRef->check( \%bad1 ) );
ok( ! MyHashRef->check( \%bad2 ) );
ok( ! MyHashRef->check( \%bad3 ) );
ok( ! MyHashRef->check( undef ) );
ok( ! MyHashRef->check( \1 ) );
#use B::Deparse;
#note( B::Deparse->new->coderef2text( \&MyTypes::is_MyHashRef ) );
BEGIN {
        package MyTypes2;
         
        use Type::Library -base, -declare => qw( StringArray StringHash StringContainer );
        use Types::Standard -types;
         
        __PACKAGE__->add_type(
                name    => StringArray,
                parent  => ArrayRef[ Str | StringArray | StringHash ],
        );
         
        __PACKAGE__->add_type(
                name    => StringHash,
                parent  => HashRef[ Str | StringArray | StringHash ],
        );
         
        __PACKAGE__->add_type(
                name    => StringContainer,
                parent  => StringHash | StringArray,
        );
         
        $INC{'MyTypes2.pm'} = __FILE__; # stop `use` from complaining
};
use MyTypes2 -types;
ok(   StringContainer->check({ foo => [], bar => ['a', 'b', { c => 'd' }], baz => 'e' }) );
ok( ! StringContainer->check({ foo => [], bar => ['a', 'b', { c => \42 }], baz => 'e' }) );
#use B::Deparse;
#note( B::Deparse->new->coderef2text( \&MyTypes2::is_StringContainer ) );
done_testing;