=pod
=encoding utf-8
=head1 PURPOSE
Test invocants: renaming default invocant for C<method> keyword;
lexical versus localized variables; multiple invocants.
=head1 AUTHOR
Toby Inkster E<lt>tobyink@cpan.orgE<gt>.
=head1 COPYRIGHT AND LICENCE
This software is copyright (c) 2013-2014 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;
method foo ($x?) {
return { '@_' => \@_, '$self' => $self, };
}
method bar ($foo: $x) {
return { '@_' => \@_, '$foo' => $foo, '$x' => $x, };
}
method baz (${^FOO}: $x) {
return +{ '@_' => \@_, '${^FOO}' => ${^FOO}, '$x' => $x, };
}
method quux ($self, $_: $x) {
return { '@_' => \@_, '$self' => $self, '$_' => $_, '$x' => $x, };
}
}
is_deeply(
Example->foo(42),
{ '@_' => [42], '$self' => 'Example', },
'basic method with an invocant',
);
ok(
exception { Example::foo() },
'basic method called without invocant throws exception',
);
note "it would be nice if the exception mentioned a missing invocant!";
is_deeply(
Example->bar(42),
{ '@_' => [42], '$foo' => 'Example', '$x' => 42 },
'renaming invocant',
);
is_deeply(
Example->baz(42),
{ '@_' => [42], '${^FOO}' => 'Example', '$x' => 42 },
'renaming invocant to a localized global',
);
is_deeply(
Example->quux({}, 42),
{ '@_' => [42], '$self' => 'Example', '$_' => {}, '$x' => 42 },
'two invocants',
);
{
package Example2;
use Kavorka;
fun bar ($foo: $x) {
return { '@_' => \@_, '$foo' => $foo, '$x' => $x, };
}
}
is_deeply(
Example2->bar(42),
{ '@_' => [42], '$foo' => 'Example2', '$x' => 42 },
'invocants work with `fun` keyword too',
);
done_testing;