public function testGetUrlForMergedParametersWithEmptyQuery()
{
// url without a fragment currently
$url = new Http\Url('http://example.org/');
$newurl = $url->getUrlForMergedParameters(array("key2" => "XXX", "key4" => "val4"));
$this->assertEquals('http://example.org/?key2=XXX&key4=val4', (string) $newurl);
}