public function testEnabled() {
		$adapter = new MockAdapter();

		$items = array('default' => array('adapter' => 'Memory', 'filters' => array()));
		$adapter::config($items);
		$result = $adapter::config();
		$expected = $items;
		$this->assertEqual($expected, $result);

		$result = $adapter::adapter('default');
		$expected = new Memory($items['default']);
		$this->assertEqual($expected, $result);

		$this->assertTrue($adapter::enabled('default'));
		$this->assertNull($adapter::enabled('non-existent'));
	}