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=pod
=encoding utf-8
=head1 PURPOSE
Check type constraints work with L<Function::Parameters>.
=head1 DEPENDENCIES
Requires Function::Parameters 1.0103, and either Moo 1.000000
or Moose 2.0000; skipped otherwise.
=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::Requires { "Function::Parameters" => "1.0103" };
use Test::Fatal;
BEGIN {
        eval 'use Moo 1.000000; 1'
        or eval 'use Moose 2.0000; 1'
        or plan skip_all => "this test requires Moo 1.000000 or Moose 2.0000";
};
BEGIN { plan skip_all => 'Devel::Cover'  if $INC{'Devel/Cover.pm'} };
use Types::Standard -types;
use Function::Parameters qw(:strict);
fun foo ((Int) $x)
{
        return $x;
}
is(
        foo(4),
        4,
        'foo(4) works',
);
isnt(
        exception { foo(4.1) },
        undef,
        'foo(4.1) throws',
);
my $info = Function::Parameters::info(\&foo);
my ($x)  = $info->positional_required;
is($x->name, '$x', '$x->name');
ok($x->type == Int, '$x->type');
done_testing;