From Code to Community: Sponsoring The Perl and Raku Conference 2025 Learn more

TOBYINK / Type-Tiny-2.007_003 / t / 30-external / Mouse / coercion.t 

            

              
—
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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97

              
=pod
=encoding utf-8
=head1 PURPOSE
Check coercions work with L<Mouse>; both mutable and immutable classes.
=head1 DEPENDENCIES
Uses the bundled BiggerLib.pm type library.
Test is skipped if Mouse 1.00 is not available.
=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 { Mouse => 1.00 };
use Test::Fatal;
{
        package Local::Class;
         
        use Mouse;
        use BiggerLib -all;
         
        ::isa_ok(BigInteger, "Mouse::Meta::TypeConstraint");
         
        has small => (is => "rw", isa => SmallInteger, coerce => 1);
        has big   => (is => "rw", isa => BigInteger, coerce => 1);
}
my ($e, $o);
my $suffix = "mutable class";
for (0..1)
{
        $e = exception {
                $o = "Local::Class"->new(
                        small => 104,
                        big   => 9,
                );
        };
        is($e, undef, "no exception on coercion in constructor - $suffix");
        is($o && $o->big, 19, "'big' attribute coerces in constructor - $suffix");
        is($o && $o->small, 4, "'small' attribute coerces in constructor - $suffix");
        $e = exception {
                $o = "Local::Class"->new(
                        small => [],
                        big   => {},
                );
        };
        isnt($e, undef, "'big' attribute throws when it cannot coerce in constructor - $suffix");
        $e = exception {
                $o = "Local::Class"->new(
                        small => {},
                        big   => [],
                );
        };
        isnt($e, undef, "'small' attribute throws when it cannot coerce in constructor - $suffix");
         
        $o = "Local::Class"->new;
        $e = exception {
                $o->big([]);
                $o->small([]);
        };
        is($o && $o->big, 100, "'big' attribute coerces in accessor - $suffix");
        is($o && $o->small, 1, "'small' attribute coerces in accessor - $suffix");
         
        $e = exception { $o->big({}) };
        isnt($e, undef, "'big' attribute throws when it cannot coerce in accessor - $suffix");
        $e = exception { $o->small({}) };
        isnt($e, undef, "'small' attribute throws when it cannot coerce in accessor - $suffix");
         
        "Local::Class"->meta->make_immutable;
        $suffix = "im$suffix";
}
done_testing;