@Test
  public void testGetProtectedField() throws Exception {
    FileInputFormat.addInputPath(conf, new Path("unused"));

    BatchWriterConfig writerConf = new BatchWriterConfig();
    BatchWriter writer = con.createBatchWriter(TEST_TABLE, writerConf);

    Authorizations origAuths = con.securityOperations().getUserAuthorizations(USER);
    con.securityOperations()
        .changeUserAuthorizations(USER, new Authorizations(origAuths.toString() + ",foo"));

    Mutation m = new Mutation("r4");
    m.put(COLUMN_FAMILY, NAME, new ColumnVisibility("foo"), new Value("frank".getBytes()));
    m.put(COLUMN_FAMILY, SID, new ColumnVisibility("foo"), new Value(parseIntBytes("4")));
    m.put(COLUMN_FAMILY, DEGREES, new ColumnVisibility("foo"), new Value(parseDoubleBytes("60.6")));
    m.put(COLUMN_FAMILY, MILLIS, new ColumnVisibility("foo"), new Value(parseLongBytes("777")));

    writer.addMutation(m);
    writer.close();

    conf.set(AccumuloSerDeParameters.AUTHORIZATIONS_KEY, "foo");

    InputSplit[] splits = inputformat.getSplits(conf, 0);
    assertEquals(splits.length, 1);
    RecordReader<Text, AccumuloHiveRow> reader = inputformat.getRecordReader(splits[0], conf, null);
    Text rowId = new Text("r1");
    AccumuloHiveRow row = new AccumuloHiveRow();
    assertTrue(reader.next(rowId, row));
    assertEquals(row.getRowId(), rowId.toString());
    assertTrue(row.hasFamAndQual(COLUMN_FAMILY, NAME));
    assertArrayEquals(row.getValue(COLUMN_FAMILY, NAME), "brian".getBytes());

    rowId = new Text("r2");
    assertTrue(reader.next(rowId, row));
    assertEquals(row.getRowId(), rowId.toString());
    assertTrue(row.hasFamAndQual(COLUMN_FAMILY, NAME));
    assertArrayEquals(row.getValue(COLUMN_FAMILY, NAME), "mark".getBytes());

    rowId = new Text("r3");
    assertTrue(reader.next(rowId, row));
    assertEquals(row.getRowId(), rowId.toString());
    assertTrue(row.hasFamAndQual(COLUMN_FAMILY, NAME));
    assertArrayEquals(row.getValue(COLUMN_FAMILY, NAME), "dennis".getBytes());

    rowId = new Text("r4");
    assertTrue(reader.next(rowId, row));
    assertEquals(row.getRowId(), rowId.toString());
    assertTrue(row.hasFamAndQual(COLUMN_FAMILY, NAME));
    assertArrayEquals(row.getValue(COLUMN_FAMILY, NAME), "frank".getBytes());

    assertFalse(reader.next(rowId, row));
  }