added a test for required=>1,undef with type that permits undef, using lazy_build

diff --git a/t/100_bugs/013_lazybuild_required_undef.t b/t/100_bugs/013_lazybuild_required_undef.t
new file mode 100644 (file)
index 0000000..6a6d4fc
--- /dev/null
+++ b/t/100_bugs/013_lazybuild_required_undef.t
@@ -0,0 +1,31 @@
+package Foo;
+use Moose;
+
+## Problem:
+## lazy_build sets required => 1
+## required does not permit setting to undef
+
+## Possible solutions:
+#### remove required => 1
+#### check the attr to see if it accepts Undef (Maybe[], | Undef)
+#### or, make required accept undef and use a predicate test
+
+
+has 'foo' => ( isa => 'Int | Undef', is => 'rw', coerce => 1, lazy_build => 1 );
+has 'bar' => ( isa => 'Int | Undef', is => 'rw', coerce => 1 );
+
+sub _build_foo { undef }
+
+package main;
+use Test::More tests => 4;
+
+ok ( !defined(Foo->new->bar), 'NonLazyBuild: Undef default' );
+ok ( !defined(Foo->new->bar(undef)), 'NonLazyBuild: Undef explicit' );
+
+ok ( !defined(Foo->new->foo), 'LazyBuild: Undef default/lazy_build' );
+
+## This test fails at the time of creation.
+ok ( !defined(Foo->new->foo(undef)), 'LazyBuild: Undef explicit' );
+
+
+1;