React\Stream\Stream::isReadable PHP Метод

    public function isReadable()
    {
        return $this->readable;
    }

 /**
  * @covers React\Stream\Stream::__construct
  * @covers React\Stream\Stream::handleData
  */
 public function testDataEventDoesEmitOneChunkUntilStreamEndsWhenBufferSizeIsInfinite()
 {
     $stream = fopen('php://temp', 'r+');
     $loop = $this->createLoopMock();
     $capturedData = null;
     $conn = new Stream($stream, $loop);
     $conn->bufferSize = null;
     $conn->on('data', function ($data) use(&$capturedData) {
         $capturedData = $data;
     });
     fwrite($stream, str_repeat("a", 100000));
     rewind($stream);
     $conn->handleData($stream);
     $this->assertFalse($conn->isReadable());
     $this->assertEquals(100000, strlen($capturedData));
 }