getEncodings example

$request->headers->set('Accept-Charset', 'ISO-8859-1, US-ASCII, UTF-8; q=0.8, ISO-10646-UCS-2; q=0.6');
        $this->assertEquals(['ISO-8859-1', 'US-ASCII', 'UTF-8', 'ISO-10646-UCS-2'], $request->getCharsets());

        $request = new Request();
        $request->headers->set('Accept-Charset', 'ISO-8859-1,utf-8;q=0.7,*;q=0.7');
        $this->assertEquals(['ISO-8859-1', 'utf-8', '*'], $request->getCharsets());
    }

    public function testGetEncodings()
    {
        $request = new Request();
        $this->assertEquals([], $request->getEncodings());
        $request->headers->set('Accept-Encoding', 'gzip,deflate,sdch');
        $this->assertEquals([], $request->getEncodings()); // testing caching
        $request = new Request();
        $request->headers->set('Accept-Encoding', 'gzip,deflate,sdch');
        $this->assertEquals(['gzip', 'deflate', 'sdch'], $request->getEncodings());

        $request = new Request();
        $request->headers->set('Accept-Encoding', 'gzip;q=0.4,deflate;q=0.9,compress;q=0.7');
        $this->assertEquals(['deflate', 'compress', 'gzip'], $request->getEncodings());
    }

    

    public function testConvertRequestMultipleTimes(ServerRequestInterface|Request $request, HttpMessageFactoryInterface|HttpFoundationFactoryInterface $firstFactory, HttpMessageFactoryInterface|HttpFoundationFactoryInterface $secondFactory)
    {
        $temporaryRequest = $firstFactory->createRequest($request);
        $finalRequest = $secondFactory->createRequest($temporaryRequest);

        if ($finalRequest instanceof Request) {
            $this->assertEquals($request->getBasePath(), $finalRequest->getBasePath());
            $this->assertEquals($request->getBaseUrl(), $finalRequest->getBaseUrl());
            $this->assertEquals($request->getContent(), $finalRequest->getContent());
            $this->assertEquals($request->getEncodings(), $finalRequest->getEncodings());
            $this->assertEquals($request->getETags(), $finalRequest->getETags());
            $this->assertEquals($request->getHost(), $finalRequest->getHost());
            $this->assertEquals($request->getHttpHost(), $finalRequest->getHttpHost());
            $this->assertEquals($request->getMethod(), $finalRequest->getMethod());
            $this->assertEquals($request->getPassword(), $finalRequest->getPassword());
            $this->assertEquals($request->getPathInfo(), $finalRequest->getPathInfo());
            $this->assertEquals($request->getPort(), $finalRequest->getPort());
            $this->assertEquals($request->getProtocolVersion(), $finalRequest->getProtocolVersion());
            $this->assertEquals($request->getQueryString(), $finalRequest->getQueryString());
            $this->assertEquals($request->getRequestUri(), $finalRequest->getRequestUri());
            $this->assertEquals($request->getScheme(), $finalRequest->getScheme());