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=pod
=encoding utf-8
=head1 PURPOSE
Test L<Type::Utils> C<is> function.
=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;
use Test::Requires { 'Test::Warnings' => 0.005 };
use Test::Warnings ':all';
use Test::Fatal;
use Type::Utils "is" => { -as => "isntnt" }, "assert";
use Types::Standard "Str";
ok ! isntnt(Str, undef);
ok isntnt(Str, '');
ok ! isntnt('Str', undef);
ok isntnt('Str', '');
my @warnings = warnings {
        ok ! isntnt( undef, undef );
};
like(
        $warnings[0],
        qr/Expected type, but got undef/,
        'warning from is(undef, $value)'
);
@warnings = warnings {
        ok ! isntnt( [], undef );
};
like(
        $warnings[0],
        qr/Expected type, but got reference \[/,
        'warning from is([], $value)'
);
is assert(Str, 'foo'), 'foo';
like exception { assert(Str, []) }, qr/did not pass type constraint/;
like exception { assert('*', []) }, qr/Expected type, but got value/;
done_testing;