public function testGetDefault()
{
$auth = Kimai_Config::getDefault(Kimai_Config::DEFAULT_AUTHENTICATOR);
$this->assertNotNull($auth);
$authClass = 'Kimai_Auth_' . ucfirst($auth);
$this->assertTrue(class_exists($authClass));
$language = Kimai_Config::getDefault(Kimai_Config::DEFAULT_LANGUAGE);
$this->assertNotNull($language);
$this->assertTrue(file_exists(APPLICATION_PATH . 'language/' . $language . '.php'));
$skin = Kimai_Config::getDefault(Kimai_Config::DEFAULT_SKIN);
$this->assertNotNull($skin);
$skinDir = APPLICATION_PATH . 'skins/' . $skin . '/';
$this->assertTrue(file_exists($skinDir));
$this->assertTrue(is_dir($skinDir));
$billable = Kimai_Config::getDefault(Kimai_Config::DEFAULT_BILLABLE);
$this->assertNotNull($billable);
$this->assertInternalType('array', $billable);
}