public function testGetType() { $document = new Document(); $this->assertNull($document->getType()); $html = $this->loadFixture('posts.html'); $document = new Document($html); $this->assertEquals('html', $document->getType()); $xml = $this->loadFixture('books.xml'); $document = new Document($xml, false, 'UTF-8', 'xml'); $this->assertEquals('xml', $document->getType()); }