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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, 2017-2023 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; got 0; expected 2},
'exception calling new() with no args',
);
like(
exception { Silly::String->new() },
qr{^Wrong number of parameters; got 1; expected 2},
'exception calling ->new() with no args',
);
like(
exception { Silly::String::set() },
qr{^Wrong number of parameters; got 0; expected 2},
'exception calling set() with no args',
);
done_testing;
|
