public function testCloseTwiceWillCloseInputAndOutputOnlyOnce()
{
$input = $this->getMock('React\\Stream\\ReadableStreamInterface');
$output = $this->getMock('React\\Stream\\WritableStreamInterface');
//$readline = $this->getMockBuilder('Clue\React\Stdio\Readline')->disableOriginalConstructor()->getMock();
$readline = new Readline($input, $output);
$stdio = new Stdio($this->loop, $input, $output, $readline);
$input->expects($this->once())->method('close');
$output->expects($this->once())->method('close');
$stdio->close();
$stdio->close();
}
