public function testDeleteMulti()
{
$expiry = '+1 minute';
$keys = array('key1' => 'data1', 'key2' => 'data2', 'key3' => 'data3');
apc_store($keys, null, 60);
$keys = array('key1', 'key2', 'key3');
$result = $this->Apc->delete($keys);
$this->assertTrue($result);
$result = apc_delete($keys);
$this->assertEqual($keys, $result);
}