1 files changed, 75 insertions, 0 deletions
diff --git a/t/attributes/illegal_options_for_inheritance.t b/t/attributes/illegal_options_for_inheritance.t
new file mode 100644
index 0000000..59ce26e
--- /dev/null
+++ b/t/attributes/illegal_options_for_inheritance.t
@@ -0,0 +1,75 @@
+use strict;
+use warnings;
+use Test::More;
+use Test::Fatal;
+
+{
+    package Foo;
+    use Moose;
+
+    has foo => (
+        is => 'ro',
+    );
+
+    has bar => (
+        clearer => 'clear_bar',
+    );
+}
+
+{
+    package Foo::Sub;
+    use Moose;
+
+    extends 'Foo';
+
+    ::is( ::exception { has '+foo' => (is => 'rw') }, undef, "can override is" );
+    ::like( ::exception { has '+foo' => (reader => 'bar') }, qr/illegal/, "can't override reader" );
+    ::is( ::exception { has '+foo' => (clearer => 'baz') }, undef, "can override unspecified things" );
+
+    ::like( ::exception { has '+bar' => (clearer => 'quux') }, qr/illegal/, "can't override clearer" );
+    ::is( ::exception { has '+bar' => (predicate => 'has_bar') }, undef, "can override unspecified things" );
+}
+
+{
+    package Bar::Meta::Attribute;
+    use Moose::Role;
+
+    has my_illegal_option => (is => 'ro');
+
+    around illegal_options_for_inheritance => sub {
+        return (shift->(@_), 'my_illegal_option');
+    };
+}
+
+{
+    package Bar;
+    use Moose;
+
+    ::is( ::exception {
+        has bar => (
+            traits            => ['Bar::Meta::Attribute'],
+            my_illegal_option => 'FOO',
+            is                => 'bare',
+        );
+    }, undef, "can use illegal options" );
+
+    has baz => (
+        traits => ['Bar::Meta::Attribute'],
+        is     => 'bare',
+    );
+}
+
+{
+    package Bar::Sub;
+    use Moose;
+
+    extends 'Bar';
+
+    ::like( ::exception { has '+bar' => (my_illegal_option => 'BAR') }, qr/illegal/, "can't override illegal attribute" );
+    ::is( ::exception { has '+baz' => (my_illegal_option => 'BAR') }, undef, "can add illegal option if superclass doesn't set it" );
+}
+
+my $bar_attr = Bar->meta->get_attribute('bar');
+ok((grep { $_ eq 'my_illegal_option' } $bar_attr->illegal_options_for_inheritance) > 0, '... added my_illegal_option as illegal option for inheritance');
+
+done_testing;