public function testIncrement()
{
$key = 'increment';
$value = 10;
$result = apc_store($key, $value, 60);
$this->assertTrue($result);
$result = $this->Apc->increment($key);
$this->assertEqual($value + 1, $result);
$result = apc_fetch($key);
$this->assertEqual($value + 1, $result);
$result = apc_delete($key);
$this->assertTrue($result);
}