Webmozart\Console\IO\OutputStream\BufferedOutputStream::clear PHP Method

    public function clear()
    {
        $this->buffer = '';
    }

 public function testClear()
 {
     $stream = new BufferedOutputStream();
     $stream->write('Lorem');
     $stream->clear();
     $stream->write('ipsum');
     $stream->close();
     $this->assertSame('ipsum', $stream->fetch());
 }