#!/usr/bin/perl -w
-use Test::More tests => 15;
+use Test::More tests => 19;
use strict;
use Devel::Size qw(size total_size);
-use Scalar::Util qw(weaken);
can_ok ('Devel::Size', qw/
size
/);
die ("Uhoh, test uses an outdated version of Devel::Size")
- unless is ($Devel::Size::VERSION, '0.74_51', 'VERSION MATCHES');
+ unless is ($Devel::Size::VERSION, '0.76_50', 'VERSION MATCHES');
#############################################################################
# some basic checks:
is (total_size($c1), total_size($c2), 'circular references');
-#############################################################################
-# GLOBS
-
-cmp_ok(total_size(*foo), '>', 0, 'total_size(*foo) > 0');
-
-#############################################################################
-# CODE ref
-
-my $code = sub { '1' };
-
-cmp_ok(total_size($code), '>', 0, 'total_size($code) > 0');
-
##########################################################
# RT#14849 (& RT#26781 and possibly RT#29238?)
cmp_ok( total_size( sub{ do{ my $t=0 }; } ), '>', 0,
{
my $a = [];
my $b = \$a;
- # making a weakref upgrades the target to PVMG and adds magic
+ # Scalar::Util isn't in the core before 5.7.something.
+ # The test isn't really testing anything without the weaken(), but it
+ # isn't counter-productive or harmful to run it anyway.
+ unless (eval {
+ require Scalar::Util;
+ # making a weakref upgrades the target to PVMG and adds magic
+ Scalar::Util::weaken($b);
+ 1;
+ }) {
+ die $@ if $] >= 5.008;
+ }
+
is(total_size($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");
+}
+
+{
+ # SvOOK stuff
+ my $uurk = "Perl Rules";
+ # This may upgrade the scalar:
+ $uurk =~ s/Perl//;
+ $uurk =~ s/^/Perl/;
+ my $before_size = total_size($uurk);
+ my $before_length = length $uurk;
+ cmp_ok($before_size, '>', $before_length, 'Size before is sane');
+ $uurk =~ s/Perl //;
+ is(total_size($uurk), $before_size,
+ "Size doesn't change because OOK is used");
+ cmp_ok(length $uurk, '<', $before_size, 'but string is shorter');
+}