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TOBYINK / Type-Tiny-2.007_010 / t / 20-modules / Type-Params / defaults.t 

            

              
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=pod
=encoding utf-8
=head1 PURPOSE
Test C<compile> and C<compile_named> support defaults for parameters.
=head1 AUTHOR
Toby Inkster E<lt>tobyink@cpan.orgE<gt>.
=head1 COPYRIGHT AND LICENCE
This software is copyright (c) 2018-2025 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 Test::More;
use Test::Fatal;
use Types::Standard -types;
use Type::Params qw( compile compile_named );
my @rv;
is(
        exception { @rv = compile(Int, { default => 42 } )->() },
        undef,
        'compile: no exception thrown because of defaulted argument'
);
is_deeply(
        \@rv,
        [42],
        'compile: default applied correctly'
);
@rv = ();
is(
        exception { @rv = compile(Int, { default => sub { 42 } } )->() },
        undef,
        'compile: no exception thrown because of defaulted argument via coderef'
);
is_deeply(
        \@rv,
        [42],
        'compile: default applied correctly via coderef'
);
@rv = ();
is(
        exception { @rv = compile(Int, { default => \'(40+2)' })->() },
        undef,
        'compile: no exception thrown because of defaulted argument via Perl source code'
);
is_deeply(
        \@rv,
        [42],
        'compile: default applied correctly via Perl source code'
);
@rv = ();
is(
        exception { @rv = compile(ArrayRef, { default => [] } )->() },
        undef,
        'compile: no exception thrown because of defaulted argument via arrayref'
);
is_deeply(
        \@rv,
        [[]],
        'compile: default applied correctly via arrayref'
);
@rv = ();
is(
        exception { @rv = compile(HashRef, { default => {} } )->() },
        undef,
        'compile: no exception thrown because of defaulted argument via hashref'
);
is_deeply(
        \@rv,
        [{}],
        'compile: default applied correctly via hashref'
);
@rv = ();
is(
        exception { @rv = compile(Any, { default => undef } )->() },
        undef,
        'compile: no exception thrown because of defaulted argument via undef'
);
is_deeply(
        \@rv,
        [undef],
        'compile: default applied correctly via undef'
);
@rv = ();
is(
        exception { @rv = compile_named(thing => Int, { default => 42 } )->() },
        undef,
        'compile_named: no exception thrown because of defaulted argument'
);
is_deeply(
        \@rv,
        [{ thing => 42 }],
        'compile_named: default applied correctly'
);
@rv = ();
is(
        exception { @rv = compile_named(thing => Int, { default => sub { 42 } } )->() },
        undef,
        'compile_named: no exception thrown because of defaulted argument via coderef'
);
is_deeply(
        \@rv,
        [{ thing => 42 }],
        'compile_named: default applied correctly via coderef'
);
@rv = ();
is(
        exception { @rv = compile_named(thing => ArrayRef, { default => [] } )->() },
        undef,
        'compile_named: no exception thrown because of defaulted argument via arrayref'
);
is_deeply(
        \@rv,
        [{ thing => [] }],
        'compile_named: default applied correctly via arrayref'
);
@rv = ();
is(
        exception { @rv = compile_named(thing => HashRef, { default => {} } )->() },
        undef,
        'compile_named: no exception thrown because of defaulted argument via hashref'
);
is_deeply(
        \@rv,
        [{ thing => {} }],
        'compile_named: default applied correctly via hashref'
);
@rv = ();
is(
        exception { @rv = compile_named(thing => Any, { default => undef } )->() },
        undef,
        'compile_named: no exception thrown because of defaulted argument via undef'
);
is_deeply(
        \@rv,
        [{ thing => undef }],
        'compile_named: default applied correctly via undef'
);
like(
        exception { compile(HashRef, { default => \*STDOUT } ) },
        qr/Default expected to be/,
        'compile: exception because bad default'
);
done_testing;