public function testResultCacheLifeSpan()
{
// initially NULL = not cached
$q = new Doctrine_Query();
$this->assertIdentical(null, $q->getResultCacheLifeSpan());
$q->free();
// 0 = cache forever
$this->manager->setAttribute(Doctrine_Core::ATTR_RESULT_CACHE_LIFESPAN, 0);
$q = new Doctrine_Query();
$this->assertIdentical(0, $q->getResultCacheLifeSpan());
$q->free();
$this->manager->setAttribute(Doctrine_Core::ATTR_RESULT_CACHE_LIFESPAN, 3600);
$q = new Doctrine_Query();
$this->assertIdentical(3600, $q->getResultCacheLifeSpan());
$q->free();
// test that value set on connection level has precedence
$this->conn->setAttribute(Doctrine_Core::ATTR_RESULT_CACHE_LIFESPAN, 42);
$q = new Doctrine_Query();
$this->assertIdentical(42, $q->getResultCacheLifeSpan());
$q->free();
// test that value set on the query has highest precedence
$q = new Doctrine_Query();
$q->useResultCache(true, 1234);
$this->assertIdentical(1234, $q->getResultCacheLifeSpan());
$q->setResultCacheLifeSPan(4321);
$this->assertIdentical(4321, $q->getResultCacheLifeSpan());
$q->free();
}