=pod
=encoding utf-8
=head1 PURPOSE
Tests errors thrown by L<Type::Library>.
=head1 AUTHOR
Toby Inkster E<lt>tobyink@cpan.orgE<gt>.
=head1 COPYRIGHT AND LICENCE
This software is copyright (c) 2013-2014, 2017 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;
use Type::Library -base;
use Type::Tiny;
my $e1 = exception {
my $m = __PACKAGE__->meta;
$m->add_type(name => 'Foo');
$m->add_type(name => 'Foo');
};
like(
$e1,
qr/^Type Foo already exists in this library/,
'cannot add same type constraint twice',
);
my $e2 = exception {
my $m = __PACKAGE__->meta;
$m->add_type(constraint => sub { 0 });
};
like(
$e2,
qr/^Cannot add anonymous type to a library/,
'cannot add an anonymous type constraint to a library',
);
my $e3 = exception {
my $m = __PACKAGE__->meta;
$m->add_coercion(name => 'Foo');
};
like(
$e3,
qr/^Coercion Foo conflicts with type of same name/,
'cannot add a coercion with same name as a constraint',
);
done_testing;