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|
=pod
=encoding utf-8
=head1 PURPOSE
Check that type coercions 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->add_type( t->Int->create_child_type(name => 'RoundedInt1') );
t->add_type( t->Int->create_child_type(name => 'RoundedInt2') );
t->RoundedInt1->coercion->add_type_coercions(t->Num, q { int($_) });
t->RoundedInt2->coercion->add_type_coercions(t->Num, sub { int($_) });
};
# We need to test a non-inlinable coercion.
::ok( not t->RoundedInt2->coercion->can_be_inlined );
fun foo ( RoundedInt1 $x ) { return $x }
fun bar ( RoundedInt1 $x does coerce ) { return $x }
fun baz ( RoundedInt2 $x does coerce ) { return $x }
fun foo_array ( RoundedInt1 @y ) { return \@y }
fun bar_array ( RoundedInt1 @y does coerce ) { return \@y }
fun baz_array ( RoundedInt2 @y does coerce ) { return \@y }
fun foo_arrayref ( slurpy ArrayRef[RoundedInt1] $z ) { return $z }
fun bar_arrayref ( slurpy ArrayRef[RoundedInt1] $z does coerce ) { return $z }
fun baz_arrayref ( slurpy ArrayRef[RoundedInt2] $z does coerce ) { return $z }
}
is(
Example::foo(42),
42,
'type constraint with coercion, but parameter does not coerce - valid value'
);
ok(
exception { Example::foo(42.1) },
'type constraint with coercion, but parameter does not coerce - invalid value'
);
is(
Example::bar(42),
42,
'type constraint with coercion - valid value'
);
is(
Example::bar(42.2),
42,
'type constraint with coercion - coercible value'
);
ok(
exception { Example::bar("Non-numeric") },
'type constraint with coercion - invalid value'
);
is(
Example::baz(42),
42,
'type constraint with non-inlinable coercion - valid value'
);
is(
Example::baz(42.2),
42,
'type constraint with non-inlinable coercion - coercible value'
);
ok(
exception { Example::baz("Non-numeric") },
'type constraint with non-inlinable coercion - invalid value'
);
note "arrays...";
is_deeply(
Example::foo_array(123, 42),
[123, 42],
'type constraint with coercion, but parameter does not coerce - valid value'
);
ok(
exception { Example::foo_array(123, 42.1) },
'type constraint with coercion, but parameter does not coerce - invalid value'
);
is_deeply(
Example::bar_array(123, 42),
[123, 42],
'type constraint with coercion - valid value'
);
is_deeply(
Example::bar_array(123, 42.2),
[123, 42],
'type constraint with coercion - coercible value'
);
ok(
exception { Example::bar_array("Non-numeric") },
'type constraint with coercion - invalid value'
);
is_deeply(
Example::baz_array(123, 42),
[123, 42],
'type constraint with non-inlinable coercion - valid value'
);
is_deeply(
Example::baz_array(123, 42.2),
[123, 42],
'type constraint with non-inlinable coercion - coercible value'
);
ok(
exception { Example::baz_array("Non-numeric") },
'type constraint with non-inlinable coercion - invalid value'
);
note "arrayrefs...";
is_deeply(
Example::foo_arrayref(123, 42),
[123, 42],
'type constraint with coercion, but parameter does not coerce - valid value'
);
ok(
exception { Example::foo_arrayref(123, 42.1) },
'type constraint with coercion, but parameter does not coerce - invalid value'
);
is_deeply(
Example::bar_arrayref(123, 42),
[123, 42],
'type constraint with coercion - valid value'
);
is_deeply(
Example::bar_arrayref(123, 42.2),
[123, 42],
'type constraint with coercion - coercible value'
);
ok(
exception { Example::bar_arrayref("Non-numeric") },
'type constraint with coercion - invalid value'
);
is_deeply(
Example::baz_arrayref(123, 42),
[123, 42],
'type constraint with non-inlinable coercion - valid value'
);
is_deeply(
Example::baz_arrayref(123, 42.2),
[123, 42],
'type constraint with non-inlinable coercion - coercible value'
);
ok(
exception { Example::baz_arrayref("Non-numeric") },
'type constraint with non-inlinable coercion - invalid value'
);
done_testing;
|
