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
|
=head1 PURPOSE
Tests that the one-argument form of C<does> works with lexical C<< $_ >>,
using a Perl 5.10 C<given> block.
In Perl 5.17.x and above, C<given> no longer uses lexical C<< $_ >> but this
test should continue to work.
=head1 AUTHOR
Toby Inkster E<lt>tobyink@cpan.orgE<gt>.
=head1 COPYRIGHT AND LICENCE
This software is copyright (c) 2012-2014 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::Requires "v5.10.1";
BEGIN {
plan skip_all => "skipping given/when test in Perl >= 5.17" if $] >= 5.017;
};
use feature qw(switch);
use Scalar::Does -constants;
plan tests => 2;
my $array = [];
ok does $array, ARRAY;
given ($array) {
when ( does(HASH) ) { fail() }
when ( does(ARRAY) ) { pass() }
}
|