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);
}