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=pod
=encoding utf-8
=head1 PURPOSE
Make sure that the weakening of the reference from a Type::Coercion
object back to its "owner" type constraint does not break functionality.
=head1 SEE ALSO
L<https://rt.cpan.org/Ticket/Display.html?id=92571>.
=head1 AUTHOR
Diab Jerius E<lt>djerius@cpan.orgE<gt>.
=head1 COPYRIGHT AND LICENCE
This software is copyright (c) 2014 by Diab Jerius.
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 FATAL=> 'all';
use Test::More;
use Type::Library -base, -declare => qw[ ArrayRefFromAny ];
use Types::Standard -all;
use Type::Utils -all;
declare_coercion ArrayRefFromAny,
to_type ArrayRef,
from Any, via { [$_] }
;
my $x = ArrayRef->plus_coercions(ArrayRefFromAny);
is_deeply(
$x->coerce( ['a'] ),
['a'],
);
# types hang around until after the coerce method is run
is_deeply(
ArrayRef->plus_coercions(ArrayRefFromAny)->coerce( ['a'] ),
['a'],
);
# types go away after generation of coercion sub, breaking it
my $coerce = ArrayRef->plus_coercions(ArrayRefFromAny)->coercion;
is_deeply(
$coerce->( ['a'] ),
['a'],
) or diag explain($coerce->( ['a'] ));
done_testing;
|
