writeInput(input);
conf.setInt("mapred.line.input.format.linespermap", 2);
NLineInputFormat format = new NLineInputFormat();
format.configure(conf);
InputSplit[] splits = format.getSplits(conf, 2);
RecordReader<LongWritable, Text> recordReader =
format.getRecordReader(splits[0], conf, Reporter.NULL);
checkNextLine(recordReader, 0, "On the top of the Crumpetty Tree");
checkNextLine(recordReader, 33, "The Quangle Wangle sat,");