add xt/ test for RT#84615 : Moo::Object->meta->can() dies

Add a test for people doing simple inheritance of Moo::Object, which also exhibits RT#84615

Add Haargs test case which is seemingly more common than the other two
combined. get_all_attributes even works as expected!

diff --git a/xt/moo-object-meta-can.t b/xt/moo-object-meta-can.t
new file mode 100644 (file)
index 0000000..3bc4f21
--- /dev/null
+++ b/xt/moo-object-meta-can.t
@@ -0,0 +1,49 @@
+#!/usr/bin/env perl
+use strict;
+use warnings;
+use Test::More;
+use Test::Fatal;
+use Moo::Object;
+
+# See RT#84615
+
+ok( Moo::Object->can('meta'), 'Moo::Object can meta');
+is( exception { Moo::Object->meta->can('can') } , undef, "Moo::Object->meta->can doesn't explode" );
+
+{
+    package Example;
+    use base 'Moo::Object';
+
+}
+
+ok( Example->can('meta'), 'Example can meta');
+is( exception { Example->meta->can('can') } , undef, "Example->meta->can doesn't explode" );
+
+# Haarg++ noting that previously, this *also* would have died due to its absence from %Moo::Makers;
+{
+    package Example_2;
+    use Moo;
+
+    has 'attr' => ( is => ro =>, );
+
+    $INC{'Example_2.pm'} = 1;
+}
+{
+    package Example_3;
+    use base "Example_2";
+}
+
+ok( Example_2->can('meta'), 'Example_2 can meta') and subtest meta_checks_for_Example_2 => sub {
+    return unless ok( Example_2->meta->can('get_all_attributes'), 'Example_2 meta can get_all_attributes' );
+    my (@attributes) = Example_2->meta->get_all_attributes;
+    is( scalar @attributes, 1, 'Has one attribute' );
+};
+
+ok( Example_3->can('meta'), 'Example_3 can meta') and subtest meta_checks_for_Example_3 => sub {
+    return unless is( exception { Example_3->meta->can('can') } , undef, "Example_3->meta->can doesn't explode" );
+    return unless ok( Example_3->meta->can('get_all_attributes'), 'Example_3 meta can get_all_attributes' );
+    my (@attributes) = Example_3->meta->get_all_attributes;
+    is( scalar @attributes, 1, 'Has one attribute' );
+};
+
+done_testing;