fix FOREIGNBUILDARGS not being called when no attributes created

[gitmo/Moo.git] / t / accessor-weaken.t

diff --git a/t/accessor-weaken.t b/t/accessor-weaken.t
index 2bfecbe..245ea7a 100644 (file)
--- a/t/accessor-weaken.t
+++ b/t/accessor-weaken.t
@@ -1,19 +1,68 @@
 use strictures 1;
 use Test::More;
+use Moo::_Utils;
+
+ok(Moo::_Utils::lt_5_8_3, "pretending to be pre-5.8.3")
+    if $ENV{MOO_TEST_PRE_583};
 
 {
   package Foo;
 
   use Moo;
 
-  has one => (is => 'ro', weak_ref => 1);
-}
+  has one => (is => 'rw', weak_ref => 1);
 
-my $ref = \'yay';
+  package Foo2;
 
-my $foo = Foo->new(one => $ref);
+  use Moo;
 
-is(${$foo->one},'yay', 'value present');
+  our $preexist = {};
+  has one => (is => 'rw', lazy => 1, weak_ref => 1, default => sub { $preexist });
+  has two => (is => 'rw', lazy => 1, weak_ref => 1, default => sub { {} });
+}
+
+my $ref = {};
+my $foo = Foo->new(one => $ref);
+is($foo->one, $ref, 'value present');
 ok(Scalar::Util::isweak($foo->{one}), 'value weakened');
+undef $ref;
+ok(!defined $foo->{one}, 'weak value gone');
+
+my $foo2 = Foo2->new;
+ok(my $ref2 = $foo2->one, 'external value returned');
+is($foo2->one, $ref2, 'value maintained');
+ok(Scalar::Util::isweak($foo2->{one}), 'value weakened');
+is($foo2->one($ref2), $ref2, 'value returned from setter');
+undef $ref2;
+ok(!defined $foo->{one}, 'weak value gone');
+
+is($foo2->two, undef, 'weak+lazy ref not returned');
+is($foo2->{two}, undef, 'internal value not set');
+my $ref3 = {};
+is($foo2->two($ref3), $ref3, 'value returned from setter');
+undef $ref3;
+ok(!defined $foo->{two}, 'weak value gone');
+
+
+# test readonly SVs
+sub mk_ref { \ 'yay' };
+my $foo_ro = eval { Foo->new(one => mk_ref()) };
+if ($] < 5.008003) {
+  like(
+    $@,
+    qr/\QReference to readonly value in "one" can not be weakened on Perl < 5.8.3/,
+    'Expected exception thrown on old perls'
+  );
+}
+elsif ($^O eq 'cygwin' and $] < 5.012000) {
+  SKIP: { skip 'Static coderef reaping seems nonfunctional on cygwin < 5.12', 1 }
+}
+else {
+  is(${$foo_ro->one},'yay', 'value present');
+  ok(Scalar::Util::isweak($foo_ro->{one}), 'value weakened');
+
+  { no warnings 'redefine'; *mk_ref = sub {} }
+  ok (!defined $foo_ro->{one}, 'optree reaped, ro static value gone');
+}
 
 done_testing;