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<?php
require_once(dirname(__FILE__).'/BaseCase.php');
/**
* @package System.DataAccess.SQLMap
*/
class SqlMapCacheTest extends UnitTestCase
{
function testFIFOCache()
{
$fifo = new TSqlMapFifoCache(2);
$object1 = new TSqlMapManager;
$object2 = new TComponent;
$object3 = new TSqlMapGateway(null);
$key1 = 'key1';
$key2 = 'key2';
$key3 = 'key3';
$fifo->set($key1, $object1);
$fifo->set($key2, $object2);
$this->assertTrue($object1 === $fifo->get($key1));
$this->assertTrue($object2 === $fifo->get($key2));
//object 1 should be removed
$fifo->set($key3, $object3);
$this->assertNull($fifo->get($key1));
$this->assertTrue($object2 === $fifo->get($key2));
$this->assertTrue($object3 === $fifo->get($key3));
//object 2 should be removed
$fifo->set($key1, $object1);
$this->assertNull($fifo->get($key2));
$this->assertTrue($object3 === $fifo->get($key3));
$this->assertTrue($object1 === $fifo->get($key1));
}
function testLruCache()
{
$lru = new TSqlMapLruCache(2);
$object1 = new TSqlMapManager;
$object2 = new TComponent;
$object3 = new TSqlMapGateway(null);
$key1 = 'key1';
$key2 = 'key2';
$key3 = 'key3';
$lru->set($key1, $object1);
$lru->set($key2, $object2);
$this->assertTrue($object2 === $lru->get($key2));
$this->assertTrue($object1 === $lru->get($key1));
//object 2 should be removed, i.e. least recently used
$lru->set($key3, $object3);
$this->assertNull($lru->get($key2));
$this->assertTrue($object1 === $lru->get($key1));
$this->assertTrue($object3 === $lru->get($key3));
//object 1 will be removed
$lru->set($key2, $object2);
$this->assertNull($lru->get($key1));
$this->assertTrue($object2 === $lru->get($key2));
$this->assertTrue($object3 === $lru->get($key3));
}
}
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