TOBYINK / Type-Tiny-2.008000 / t / 20-modules / Type-Params / methods.t 

            

              
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=pod
=encoding utf-8
=head1 PURPOSE
Test L<Type::Params> usage for method calls.
=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 Test::More;
use Test::Fatal;
{
        package Silly::String;
         
        use Type::Params qw(Invocant compile);
        use Types::Standard qw(ClassName Object Str Int);
         
        my %chk;
         
        sub new {
                $chk{new} ||= compile(ClassName, Str);
                my ($class, $str) = $chk{new}->(@_);
                bless \$str, $class;
        }
         
        sub repeat {
                $chk{repeat} ||= compile(Object, Int);
                my ($self, $n) = $chk{repeat}->(@_);
                $self->get x $n;
        }
         
        sub get {
                $chk{get} ||= compile(Object);
                my ($self) = $chk{get}->(@_);
                $$self;
        }
         
        sub set {
                $chk{set} ||= compile(Invocant, Str);
                my ($proto, $str) = $chk{set}->(@_);
                Object->check($proto) ? ($$proto = $str) : $proto->new($str);
        }
}
is(
        exception {
                my $o = Silly::String->new("X");
                 
                is($o->get, "X");
                is($o->repeat(4), "XXXX");
                 
                $o->set("Y");
                is($o->repeat(4), "YYYY");
                 
                my $p = Silly::String->set("Z");
                is($p->repeat(4), "ZZZZ");
        },
        undef,
        'clean operation',
);
like(
        exception { Silly::String::new() },
        qr{^Wrong number of parameters to Silly::String::new; got 0; expected 2},
        'exception calling new() with no args',
);
like(
        exception { Silly::String->new() },
        qr{^Wrong number of parameters to Silly::String::new; got 1; expected 2},
        'exception calling ->new() with no args',
);
like(
        exception { Silly::String::set() },
        qr{^Wrong number of parameters to Silly::String::set; got 0; expected 2},
        'exception calling set() with no args',
);
done_testing;