public function testWriteReadAndDeleteRoundtrip() {
		$key = 'write_read_key';
		$data = 'write/read value';
		$expiry = '+5 seconds';

		$closure = $this->Apc->write($key, $data, $expiry);
		$this->assertTrue(is_callable($closure));

		$params = compact('key', 'data', 'expiry');
		$result = $closure($this->Apc, $params, null);
		$expected = $data;
		$this->assertTrue($result);

		$result = apc_fetch($key);
		$this->assertEqual($expected, $result);

		$closure = $this->Apc->read($key);
		$this->assertTrue(is_callable($closure));

		$params = compact('key');
		$result = $closure($this->Apc, $params, null);
		$expected = $data;
		$this->assertEqual($expected, $result);

		$closure = $this->Apc->delete($key);
		$this->assertTrue(is_callable($closure));

		$params = compact('key');
		$result = $closure($this->Apc, $params, null);
		$this->assertTrue($result);
	}