public function testConfig() {
		$test = new MockLoggerAdapter();
		$config = array('logger' => array('adapter' => $test, 'filters' => array()));

		$result = Logger::config($config);
		$this->assertNull($result);

		$result = Logger::config();
		$config['logger'] += array('priority' => true);
		$expected = $config;
		$this->assertEqual($expected, $result);
	}