Bump $VERSION to 0.74_50

[p5sagit/Devel-Size.git] / t / basic.t

diff --git a/t/basic.t b/t/basic.t
index 4dfed68..ab1d6d5 100644 (file)
--- a/t/basic.t
+++ b/t/basic.t
@@ -1,8 +1,9 @@
 #!/usr/bin/perl -w
 
-use Test::More tests => 14;
+use Test::More tests => 15;
 use strict;
 use Devel::Size qw(size total_size);
+use Scalar::Util qw(weaken);
 
 can_ok ('Devel::Size', qw/
   size
@@ -10,7 +11,7 @@ can_ok ('Devel::Size', qw/
   /);
 
 die ("Uhoh, test uses an outdated version of Devel::Size")
-  unless is ($Devel::Size::VERSION, '0.72_52', 'VERSION MATCHES');
+    unless is ($Devel::Size::VERSION, '0.74_50', 'VERSION MATCHES');
 
 #############################################################################
 # some basic checks:
@@ -91,3 +92,11 @@ use constant LARGE => 'N' x 8192;
 
 cmp_ok (total_size(\&LARGE), '>', 8192,
         'total_size for a constant includes the constant');
+
+{
+    my $a = [];
+    my $b = \$a;
+    # making a weakref upgrades the target to PVMG and adds magic
+    is(total_size($a), total_size([]),
+       'Any intial reference is dereferenced and discarded');
+}