public function testIsType()
{
$response = new Response();
for ($statusCode = 100; $statusCode <= 999; $statusCode++) {
$response->setStatusCode($statusCode);
$digit = substr($statusCode, 0, 1);
$this->assertSame($digit == 1, $response->isInformational());
$this->assertSame($digit == 2, $response->isSuccessful());
$this->assertSame($digit == 3, $response->isRedirection());
$this->assertSame($digit == 4, $response->isClientError());
$this->assertSame($digit == 5, $response->isServerError());
}
}
