Count HvNAME(), the HV "aux" struct, and the mro_meta struct.

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

diff --git a/t/basic.t b/t/basic.t
index 80a03ec..6c68bfb 100644 (file)
--- a/t/basic.t
+++ b/t/basic.t
@@ -1,6 +1,6 @@
 #!/usr/bin/perl -w
 
-use Test::More tests => 26;
+use Test::More tests => 30;
 use strict;
 use Devel::Size qw(size total_size);
 
@@ -145,3 +145,29 @@ sub shared_hash_keys {
        is ($small, $big, 'The "shared" part of shared hash keys is spotted');
     }
 }
+
+{
+    use vars '%DANG_DANG_DANG_DANG_DANG_DANG_DANG_DANG_DANG';
+    my $hash_size = total_size(\%DANG_DANG_DANG_DANG_DANG_DANG_DANG_DANG_DANG);
+    cmp_ok($hash_size, '>', 0, 'Hash size is sane');
+    my $stash_size
+       = total_size(\%DANG_DANG_DANG_DANG_DANG_DANG_DANG_DANG_DANG::);
+    cmp_ok($stash_size, '>',
+          $hash_size + length 'DANG_DANG_DANG_DANG_DANG_DANG_DANG_DANG_DANG',
+          'Stash size is larger than hash size plus length of the name');
+}
+
+{
+    my %h = (Perl => 'Rules');
+    my $hash_size = total_size(\%h);
+    cmp_ok($hash_size, '>', 0, 'Hash size is sane');
+    my $a = keys %h;
+    if ($] < 5.010) {
+       is(total_size(\%h), $hash_size,
+          "Creating iteration state doesn't need to allocate storage");
+       # because all hashes carry the overhead of this storage from creation
+    } else {
+       cmp_ok(total_size(\%h), '>', $hash_size,
+              'Creating iteration state allocates storage');
+    }
+}