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TOBYINK / Type-Tiny-2.007_009 / t / 20-modules / Type-Library / types.t 

            

              
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=pod
=encoding utf-8
=head1 PURPOSE
Checks that the type functions exported by a type library work as expected.
=head1 DEPENDENCIES
Uses the bundled DemoLib.pm type library.
=head1 AUTHOR
Toby Inkster E<lt>tobyink@cpan.orgE<gt>.
=head1 COPYRIGHT AND LICENCE
This software is copyright (c) 2013-2014, 2017-2025 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 lib qw( ./lib ./t/lib ../inc ./inc );
use Test::More;
use Test::Fatal;
use DemoLib -types;
isa_ok String, "Type::Tiny", "String";
isa_ok Number, "Type::Tiny", "Number";
isa_ok Integer, "Type::Tiny", "Integer";
isa_ok DemoLib::String, "Type::Tiny", "DemoLib::String";
isa_ok DemoLib::Number, "Type::Tiny", "DemoLib::Number";
isa_ok DemoLib::Integer, "Type::Tiny", "DemoLib::Integer";
is(String."", "String", "String has correct stringification");
is(Number."", "Number", "Number has correct stringification");
is(Integer."", "Integer", "Integer has correct stringification");
is(DemoLib::String."", "String", "DemoLib::String has correct stringification");
is(DemoLib::Number."", "Number", "DemoLib::Number has correct stringification");
is(DemoLib::Integer."", "Integer", "DemoLib::Integer has correct stringification");
is(
        exception { Integer->(5) },
        undef,
        "coderef overload (with value that should pass type constraint) does not die",
);
is(
        Integer->(5),
        5,
        "coderef overload returns correct value",
);
like(
        exception { Integer->(5.5) },
        qr{^Value "5\.5" did not pass type constraint "Integer"},
        "coderef overload (value that should fail type constraint) dies",
);
use DemoLib String => {
        -prefix  => "foo",
        -as      => "bar",
        -suffix  => "baz",
};
is(foobarbaz->qualified_name, "DemoLib::String", "Sub::Exporter-style export renaming");
ok(
        Integer eq Integer,
        'eq works',
);
use Types::Standard qw(ArrayRef Int);
my $int          = Int;
my $arrayref     = ArrayRef;
my $arrayref_int = ArrayRef[Int];
is_deeply(
        [ 1, 2, Int,  3, 4 ],
        [ 1, 2, $int, 3, 4 ],
        'type constant in list context',
);
is_deeply(
        [ 1, 2, ArrayRef,  3, 4 ],
        [ 1, 2, $arrayref, 3, 4 ],
        'parameterizable type constant in list context',
);
is_deeply(
        [ 1, 2, ArrayRef[Int], 3, 4 ],
        [ 1, 2, $arrayref_int, 3, 4 ],
        'parameterized type constant in list context',
);
done_testing;