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TOBYINK / Type-Tiny-2.008000 / t / 20-modules / Type-Tiny / coercion-modifiers.t 

            

              
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=pod
=encoding utf-8
=head1 PURPOSE
Checks C<plus_coercions>, C<minus_coercions> and C<no_coercions> methods work.
=head1 DEPENDENCIES
Uses the bundled BiggerLib.pm type library.
=head1 AUTHOR
Toby Inkster E<lt>tobyink@cpan.orgE<gt>.
=head1 COPYRIGHT AND LICENCE
This software is copyright (c) 2013-2014, 2017-2025 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 lib qw( ./lib ./t/lib ../inc ./inc );
use Test::More;
use Test::Fatal qw(dies_ok);
use BiggerLib -types;
my $new_type = BigInteger->plus_coercions(
        HashRef, "999",
        Undef,   sub { 666 },
);
my $arr  = [];
my $hash = {};
ok(
        $new_type->coercion->has_coercion_for_type(HashRef),
        'has_coercian_for_type - obvious',
);
ok(
        $new_type->coercion->has_coercion_for_type(HashRef[Num]),
        'has_coercian_for_type - subtle',
);
ok(
        not($new_type->coercion->has_coercion_for_type(Ref["CODE"])),
        'has_coercian_for_type - negative',
);
is($new_type->coerce($hash), 999, 'plus_coercions - added coercion');
is($new_type->coerce(undef), 666, 'plus_coercions - added coercion');
is($new_type->coerce(-1), 11, 'plus_coercions - retained coercion');
is($new_type->coerce($arr), 100, 'plus_coercions - retained coercion');
my $newer_type = $new_type->minus_coercions(ArrayRef, Undef);
is($newer_type->coerce($hash), 999, 'minus_coercions - retained coercion');
is($newer_type->coerce(undef), undef, 'minus_coercions - removed coercion');
is($newer_type->coerce(-1), 11, 'minus_coercions - retained coercion');
is($newer_type->coerce($arr), $arr, 'minus_coercions - removed coercion');
my $no_coerce = $new_type->no_coercions;
dies_ok { $no_coerce->coerce($hash) } 'no_coercions - removed coercion';
dies_ok { $no_coerce->coerce(undef) } 'no_coercions - removed coercion';
dies_ok { $no_coerce->coerce(-1) } 'no_coercions - removed coercion';
dies_ok { $no_coerce->coerce($arr) } 'no_coercions - removed coercion';
done_testing;