GuzzleHttp\Tests\Psr7\CachingStreamTest::testClosesBothStreams PHP Метод

    public function testClosesBothStreams()
    {
        $s = fopen('php://temp', 'r');
        $a = Psr7\stream_for($s);
        $d = new CachingStream($a);
        $d->close();
        $this->assertFalse(is_resource($s));
    }