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|
use strict;
use warnings;
use Test::More;
BEGIN {
use_ok("Cache::LRU");
};
my $cache = Cache::LRU->new(
size => 3,
);
ok ! defined $cache->get('a');
is $cache->set(a => 1), 1;
is $cache->get('a'), 1;
is $cache->set(b => 2), 2;
is $cache->get('a'), 1;
is $cache->get('b'), 2;
is $cache->set(c => 3), 3;
is $cache->get('a'), 1;
is $cache->get('b'), 2;
is $cache->get('c'), 3;
is $cache->set(b => 4), 4;
is $cache->get('a'), 1;
is $cache->get('b'), 4;
is $cache->get('c'), 3;
my $keep;
is +($keep = $cache->get('a')), 1; # the order is now a => c => b
is $cache->set(d => 5), 5;
is $cache->get('a'), 1;
ok ! defined $cache->get('b');
is $cache->get('c'), 3;
is $cache->get('d'), 5; # the order is now d => c => a
is $cache->set('e', 6), 6;
ok ! defined $cache->get('a');
ok ! defined $cache->get('b');
is $cache->get('c'), 3;
is $cache->get('d'), 5;
is $cache->get('e'), 6;
is $cache->remove('d'), 5;
is $cache->get('c'), 3;
ok ! defined $cache->get('d');
is $cache->get('e'), 6;
$cache->clear;
ok ! defined $cache->get('c');
ok ! defined $cache->get('e');
done_testing;
|
