public function testCommonMethods()
{
$ns = Localizer::getInstance()->getNamespaceTextById(NS_CATEGORY);
$class = new DIWikiPage('Foo', NS_CATEGORY);
$instance = new ClassDescription($class);
$this->assertEquals(array($class), $instance->getCategories());
$this->assertEquals("[[{$ns}:Foo]]", $instance->getQueryString());
$this->assertEquals(" <q>[[{$ns}:Foo]]</q> ", $instance->getQueryString(true));
$this->assertEquals(false, $instance->isSingleton());
$this->assertEquals(array(), $instance->getPrintRequests());
$this->assertEquals(1, $instance->getSize());
$this->assertEquals(0, $instance->getDepth());
$this->assertEquals(2, $instance->getQueryFeatures());
}