assertTrue(3 >= split.getLocations().length);
// read split
org.apache.hadoop.mapred.RecordReader<CombineHiveKey, OrcStruct> reader =
inputFormat.getRecordReader(split, conf, Reporter.NULL);
CombineHiveKey key = reader.createKey();
OrcStruct value = reader.createValue();
for(int i=0; i < 20; i++) {
assertEquals(true, reader.next(key, value));
assertEquals(i, ((IntWritable) value.getFieldValue(0)).get());
}