X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2Fbasic.t;h=33edaba0f488807a78a7ea0af54c35317b7a6db5;hb=a25ecf3510399c238b7bc5a18cbdab10ab94a32c;hp=80a03ec0c31a91a91a9938976f2752ce6555486e;hpb=924d9c4e591d4e4a1a1f8127a53b48beb2f366b5;p=p5sagit%2FDevel-Size.git

diff --git a/t/basic.t b/t/basic.t
index 80a03ec..33edaba 100644
--- 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);
 
@@ -10,7 +10,7 @@ can_ok ('Devel::Size', qw/
   /);
 
 die ("Uhoh, test uses an outdated version of Devel::Size")
-    unless is ($Devel::Size::VERSION, '0.76_50', 'VERSION MATCHES');
+    unless is ($Devel::Size::VERSION, '0.79_54', 'VERSION MATCHES');
 
 #############################################################################
 # some basic checks:
@@ -118,7 +118,10 @@ foreach(['undef', total_size(undef)],
     my $before_size = total_size($uurk);
     my $before_length = length $uurk;
     cmp_ok($before_size, '>', $before_length, 'Size before is sane');
-    $uurk =~ s/Perl //;
+    # As of 5.20.0, s/// doesn't trigger COW.
+    # Seems that formline is about the the only thing left that reliably calls
+    # sv_chop. See CPAN #95493, perl #122322
+    formline '^<<<<~', $uurk;
     is(total_size($uurk), $before_size,
        "Size doesn't change because OOK is used");
     cmp_ok(length $uurk, '<', $before_size, 'but string is shorter');
@@ -145,3 +148,29 @@ sub shared_hash_keys {
 	is ($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');
+    }
+}