public function testSetAndGetDoctype() { $d = new Dom(Dom::XHTML11); $d->setDoctype(Dom::ATOM); $this->assertContains('<?xml version="1.0"', $d->getDoctype()); $d->setDoctype(Dom::RSS); $this->assertContains('<?xml version="1.0"', $d->getDoctype()); $d->setDoctype(Dom::XML); $this->assertContains('<?xml version="1.0"', $d->getDoctype()); }