use Test::More "no_plan";
use Devel::Size "total_size";

my $key = "aa";
my $val = "a00";
my %hash1;
my %hash2;
while (length($key) == 2) {
        $hash1{$key} = $val;
        "$key$val" =~ /(..)(...)/ and $hash2{$1} = $2;

        ++$key;
        ++$val;
}

is(keys(%hash1), keys(%hash2), "same number of keys");
is_deeply(\%hash1, \%hash2, "is_deeply same");
is(total_size(\%hash1), total_size(\%hash2));
__END__
ok 1 - same number of keys
ok 2 - is_deeply same
not ok 3
#     Failed test (sizer.pl at line 18)
#          got: '39316'
#     expected: '58244'
1..3
# Looks like you failed 1 test of 3.