give CMOP::Object a real meta method, and simplify some things

[gitmo/Class-MOP.git] / t / 303_RT_39001_fix.t

use strict;
use warnings;
use Test::More;
use Test::Exception;

use Class::MOP;

=pod

This tests a bug sent via RT #39001

=cut

{
    package Foo;
    use metaclass;
}

throws_ok {
    Foo->meta->superclasses('Foo');
} qr/^Recursive inheritance detected/, "error occurs when extending oneself";

{
    package Bar;
    use metaclass;
}

# reset @ISA, so that calling methods like ->isa won't die (->meta does this
# if DEBUG_NO_META is set)
@Foo::ISA = ();

lives_ok {
    Foo->meta->superclasses('Bar');
} "regular subclass";

throws_ok {
    Bar->meta->superclasses('Foo');
} qr/^Recursive inheritance detected/, "error occurs when Bar extends Foo, when Foo is a Bar";

done_testing;