--- /dev/null
+use strict;
+use warnings;
+
+use Test::More tests => 12;
+use Test::Exception;
+use Test::NoWarnings;
+
+{
+ package Parent;
+ use Moose;
+ has attr => ( is => 'rw', isa => 'Str' );
+}
+
+{
+ package Child;
+ use Moose;
+ extends 'Parent';
+
+ has '+attr' => ( lazy_build => 1 );
+ sub _build_attr
+ {
+ return 'value';
+ }
+}
+
+package main;
+
+my $parent = Parent->new();
+my $child = Child->new();
+
+ok(!$parent->meta->get_attribute('attr')->is_lazy_build,
+ 'attribute in parent does not have lazy_build trait');
+ok(!$parent->meta->get_attribute('attr')->is_lazy,
+ 'attribute in parent does not have lazy trait');
+ok(!$parent->meta->get_attribute('attr')->has_builder,
+ 'attribute in parent does not have a builder method');
+ok(!$parent->meta->get_attribute('attr')->has_clearer,
+ 'attribute in parent does not have a clearer method');
+ok(!$parent->meta->get_attribute('attr')->has_predicate,
+ 'attribute in parent does not have a predicate method');
+
+ok($child->meta->get_attribute('attr')->is_lazy_build,
+ 'attribute in child has the lazy_build trait');
+ok($child->meta->get_attribute('attr')->is_lazy,
+ 'attribute in child has the lazy trait');
+ok($child->meta->get_attribute('attr')->has_builder,
+ 'attribute in child has a builder method');
+ok($child->meta->get_attribute('attr')->has_clearer,
+ 'attribute in child has a clearer method');
+ok($child->meta->get_attribute('attr')->has_predicate,
+ 'attribute in child has a predicate method');
+
+is($child->attr, 'value', 'attribute defined as lazy_build in child is properly built');