X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2Fbasic.t;h=86c58cd55be2d977adfd692713304fef407f3106;hb=a52ceccdd55939cd397dcc1f4474d509ed47e5cb;hp=8073e01377ec7117d08202926ec63596b4753b69;hpb=14ad06ee9609dd4eff679c726b7133a65527b8b4;p=p5sagit%2FDevel-Size.git

diff --git a/t/basic.t b/t/basic.t
index 8073e01..86c58cd 100644
--- a/t/basic.t
+++ b/t/basic.t
@@ -1,6 +1,6 @@
 #!/usr/bin/perl -w
 
-use Test::More tests => 15;
+use Test::More tests => 18;
 use strict;
 use Devel::Size qw(size total_size);
 use Scalar::Util qw(weaken);
@@ -100,3 +100,13 @@ cmp_ok (total_size(\&LARGE), '>', 8192,
     is(total_size($a), total_size([]),
        'Any intial reference is dereferenced and discarded');
 }
+
+# Must call direct - avoid all copying:
+foreach(['undef', total_size(undef)],
+	['no', total_size(1 == 0)],
+	['yes', total_size(1 == 1)],
+       ) {
+    my ($name, $size) = @$_;
+    is($size, 0,
+       "PL_sv_$name is interpeter wide, so not counted as part of the structure's size");
+}