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|
=pod
=encoding utf-8
=head1 PURPOSE
Check that type constraints work.
=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;
use Type::Registry qw(t);
BEGIN {
t->add_types( -Standard );
t->alias_type( 'Int' => 'Count' );
t->add_type( t->Int->create_child_type(name => 'Int2', constraint => sub { 1 }) );
};
# We need to test a non-inlinable type constraint.
::ok( not t->Int2->can_be_inlined );
fun foo ( Int $x ) { return $x }
fun bar ( Count $x ) { return $x }
fun baz ( Int2 $x ) { return $x }
fun foo_array ( Int @y ) { return \@y }
fun bar_array ( Count @y ) { return \@y }
fun baz_array ( Int2 @y ) { return \@y }
fun foo_arrayref ( slurpy ArrayRef[Int] $z ) { return $z }
fun bar_arrayref ( slurpy ArrayRef[Count] $z ) { return $z }
fun baz_arrayref ( slurpy ArrayRef[Int2] $z ) { return $z }
}
is( Example::foo(42), 42 );
like(
exception { Example::foo(3.14159) },
qr{^Value "3.14159" did not pass type constraint "Int"},
);
is( Example::bar(42), 42 );
like(
exception { Example::bar(3.14159) },
qr{^Value "3.14159" did not pass type constraint "Int"},
);
is( Example::baz(42), 42 );
like(
exception { Example::baz(3.14159) },
qr{^Value "3.14159" did not pass type constraint "Int2"},
);
is_deeply( Example::foo_array(666,42), [666,42] );
like(
exception { Example::foo_array(666,3.14159) },
qr{^Value "3.14159" did not pass type constraint "Int"},
);
is_deeply( Example::bar_array(666,42), [666,42] );
like(
exception { Example::bar_array(666,3.14159) },
qr{^Value "3.14159" did not pass type constraint "Int"},
);
is_deeply( Example::baz_array(666,42), [666,42] );
like(
exception { Example::baz_array(666,3.14159) },
qr{^Value "3.14159" did not pass type constraint "Int2"},
);
is_deeply( Example::foo_arrayref(666,42), [666,42] );
like(
exception { Example::foo_arrayref(666,3.14159) },
qr{^Reference \[.+\] did not pass type constraint "ArrayRef\[Int\]"},
);
is_deeply( Example::bar_arrayref(666,42), [666,42] );
like(
exception { Example::bar_arrayref(666,3.14159) },
qr{^Reference \[.+\] did not pass type constraint "ArrayRef\[Int\]"},
);
is_deeply( Example::baz_arrayref(666,42), [666,42] );
like(
exception { Example::baz_arrayref(666,3.14159) },
qr{^Reference \[.+\] did not pass type constraint "ArrayRef\[Int2\]"},
);
done_testing;
|
