public function testCanExplicitlySetVersion()
{
$response = new Response();
$response->setVersion(Response::VERSION_11);
$this->assertSame(Response::VERSION_11, $response->getVersion());
$response->setVersion(Response::VERSION_10);
$this->assertSame(Response::VERSION_10, $response->getVersion());
$this->setExpectedException('Zend\\Http\\Exception\\InvalidArgumentException');
$response->setVersion('zf/2.0');
}