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TOBYINK / Type-Tiny-2.007_005 / t / 20-modules / Eval-TypeTiny / lexical-subs.t 

            

              
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=pod
=encoding utf-8
=head1 PURPOSE
Tests L<Eval::TypeTiny> with experimental lexical subs.
=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::Requires 'v5.18';
use Test::Fatal;
use Eval::TypeTiny;
my $variable;
my %env = (
        '$foo'   => do { my $x = "foo"; \$x },
        '@bar'   => [ "bar" ],
        '%baz'   => { "baz" => "1" },
        '&quux'  => sub { $variable },
        '&quuux' => sub { $variable + 40 },
);
my $source = <<'SRC';
sub {
        package Kill::La::NonLexikill;
        return $foo if $_[0] eq '$foo';
        return @bar if $_[0] eq '@bar';
        return %baz if $_[0] eq '%baz';
        return quux() if $_[0] eq '&quux';
        return quuux if $_[0] eq '&quuux';
        return;
}
SRC
my $closure = eval_closure(source => $source, environment => \%env);
is_deeply(
        [ $closure->('$foo') ],
        [ 'foo' ],
        'closure over scalar',
);
is_deeply(
        [ $closure->('@bar') ],
        [ 'bar' ],
        'closure over array',
);
is_deeply(
        [ $closure->('%baz') ],
        [ 'baz' => 1 ],
        'closure over hash',
);
is_deeply(
        [ $closure->('&quux') ],
        [ undef ],
        'closure over lexical sub - undef',
);
$variable = 2;
is_deeply(
        [ $closure->('&quux') ],
        [ 2 ],
        'closure over lexical sub - 2',
);
is_deeply(
        [ $closure->('&quuux') ],
        [ 42 ],
        'closure over lexical sub - 42',
);
my $e = exception { eval_closure(source => 'sub { 1 ]') };
isa_ok(
        $e,
        'Error::TypeTiny::Compilation',
        '$e',
);
like(
        $e,
        qr{^Failed to compile source because: syntax error},
        'throw exception when code does not compile',
);
like(
        $e->errstr,
        qr{^syntax error},
        '$e->errstr',
);
like(
        $e->code,
        qr{sub \{ 1 \]},
        '$e->code',
);
my $c1 = eval_closure(source => 'sub { die("BANG") }', description => 'test1');
my $e1 = exception { $c1->() };
like(
        $e1,
        qr{^BANG at test1 line 1},
        '"description" option works',
);
my $c2 = eval_closure(source => 'sub { die("BANG") }', description => 'test2', line => 222);
my $e2 = exception { $c2->() };
like(
        $e2,
        qr{^BANG at test2 line 222},
        '"line" option works',
);
done_testing;