1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
=pod
=encoding utf-8
=head1 PURPOSE
Test the C<ro> trait.
=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 Test::More;
use Test::Fatal;
{
package Example;
use Kavorka;
fun foo ($x but ro) {
++$x;
}
fun bar ($x is rw) {
++$x;
}
}
like(
exception { Example::foo(42) },
qr{^Modification of a read-only value attempted },
);
is(
Example::bar(42),
43,
);
done_testing;
|
