public function testThatWithParamsDoesNotChangeRequest()
{
$Request = new Request('foo');
$this->assertSame('foo', $Request->getMethod());
$this->assertSame([], $Request->getParams());
$this->assertNull($Request->getId());
$OtherRequest = $Request->withParams(['foo' => 'bar']);
$this->assertSame('foo', $Request->getMethod());
$this->assertSame([], $Request->getParams());
$this->assertNull($Request->getId());
$this->assertSame('foo', $OtherRequest->getMethod());
$this->assertSame(['foo' => 'bar'], $OtherRequest->getParams());
$this->assertNull($OtherRequest->getId());
}
