public function testWriteReadAndDeleteRoundtrip()
{
$key = 'write_read_key';
$data = 'write/read value';
$keys = array($key => $data);
$expiry = '+5 seconds';
$result = $this->Apc->write($keys, $expiry);
$this->assertTrue($result);
$expected = $data;
$result = apc_fetch($key);
$this->assertEqual($expected, $result);
$expected = $keys;
$result = $this->Apc->read(array_keys($keys));
$this->assertEqual($expected, $result);
$result = $this->Apc->delete(array_keys($keys));
$this->assertTrue($result);
}