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|
=pod
=encoding utf-8
=head1 PURPOSE
Test slurpy parameters.
=head1 AUTHOR
Toby Inkster E<lt>tobyink@cpan.orgE<gt>.
=head1 COPYRIGHT AND LICENCE
This software is copyright (c) 2013-2014, 2017 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;
fun foo ($x, $y?, @z) {
return { '@_' => \@_, '$x' => $x, '$y' => $y, '@z' => \@z, };
}
fun bar ($, %z) {
return { '@_' => \@_, '%_' => \%_, '%z' => \%z, };
}
fun baz (:$x, :$y, %z) {
return { '@_' => \@_, '%_' => \%_, '$x' => $x, '$y' => $y, '%z' => \%z };
}
fun quux ($x, %) {
return { '@_' => \@_, '%_' => \%_, '$x' => $x, };
}
}
is_deeply(
Example::foo(1..5),
{ '@_' => [1..5], '$x' => 1, '$y' => 2, '@z' => [3..5] },
'function with leading positional parameters and array slurpy'
);
is_deeply(
Example::foo(1),
{ '@_' => [1], '$x' => 1, '$y' => undef, '@z' => [] },
'function with leading positional parameters and array slurpy - empty slurpy'
);
is_deeply(
Example::foo(1,2),
{ '@_' => [1,2], '$x' => 1, '$y' => 2, '@z' => [] },
'function with leading positional parameters and array slurpy - empty slurpy'
);
is_deeply(
Example::foo(1..3),
{ '@_' => [1..3], '$x' => 1, '$y' => 2, '@z' => [3] },
'function with leading positional parameters and array slurpy - only one item in slurpy'
);
is_deeply(
Example::bar(0, 1..4),
{ '@_' => [0..4], '%_' => +{1..4}, '%z' => +{1..4} },
'function with leading positional parameter and hash slurpy'
);
like(
exception { Example::bar(0, 1..5) },
qr{^Odd number of elements},
'exception passing odd number of items to slurpy hash',
);
is_deeply(
Example::baz(x => 42, a => 1, b => 2, c => 3),
{ '@_' => [qw/ x 42 a 1 b 2 c 3 /], '%_' => +{qw/ x 42 a 1 b 2 c 3 /}, '$x' => 42, '$y' => undef, '%z' => +{qw/ a 1 b 2 c 3 /} },
'function with named parameters and slurpy hash'
);
is_deeply(
Example::baz({x => 42, a => 1, b => 2, c => 3 }),
{ '@_' => [{qw/ x 42 a 1 b 2 c 3 /}], '%_' => +{qw/ x 42 a 1 b 2 c 3 /}, '$x' => 42, '$y' => undef, '%z' => +{qw/ a 1 b 2 c 3 /} },
'function with named parameters and slurpy hash (invoked with hashref)'
);
is_deeply(
Example::quux(42, a => 1, b => 2, c => 3),
{ '@_' => [qw/ 42 a 1 b 2 c 3 /], '%_' => +{qw/ a 1 b 2 c 3 /}, '$x' => 42, },
'anon slurpy hash'
);
{
package Example2;
use Kavorka;
fun foo ($x, $y?, slurpy ArrayRef $z) {
return { '@_' => \@_, '$x' => $x, '$y' => $y, '$z' => $z, };
}
fun bar ($, slurpy HashRef $z) {
return { '@_' => \@_, '%_' => \%_, '$z' => $z, };
}
fun baz (:$x, :$y, slurpy HashRef $z) {
return { '@_' => \@_, '%_' => \%_, '$x' => $x, '$y' => $y, '$z' => $z };
}
}
is_deeply(
Example2::foo(1..5),
{ '@_' => [1..5], '$x' => 1, '$y' => 2, '$z' => [3..5] },
'function with leading positional parameters and arrayref slurpy'
);
is_deeply(
Example2::bar(0, 1..4),
{ '@_' => [0..4], '%_' => +{1..4}, '$z' => +{1..4} },
'function with leading positional parameter and hashref slurpy'
);
like(
exception { Example2::bar(0, 1..5) },
qr{^Odd number of elements},
'exception passing odd number of items to slurpy hashref',
);
is_deeply(
Example2::baz(x => 42, a => 1, b => 2, c => 3),
{ '@_' => [qw/ x 42 a 1 b 2 c 3 /], '%_' => +{qw/ x 42 a 1 b 2 c 3 /}, '$x' => 42, '$y' => undef, '$z' => +{qw/ a 1 b 2 c 3 /} },
'function with named parameters and slurpy hashref'
);
{
package Example3;
use Kavorka;
fun foo1 (:$x, :$y, %z) {
$_{goop}++;
}
fun foo2 (:$x, :$y, slurpy HashRef $z) {
$_{goop}++;
}
}
my $goop = 40;
Example3::foo1(x => 1, y => 2, goop => $goop);
is($goop, 41, '%_ is an alias with slurpy hash');
Example3::foo2(x => 1, y => 2, goop => $goop);
is($goop, 42, '%_ is an alias with slurpy hashref');
done_testing;
|
