@Test
  public void testAllFieldsWritable() throws IOException {
    RangeInputSplit split =
        new RangeInputSplit(
            "table", "1", new Range(new Key("a"), new Key("b")), new String[] {"localhost"});

    Set<Pair<Text, Text>> fetchedColumns = new HashSet<Pair<Text, Text>>();

    fetchedColumns.add(new Pair<Text, Text>(new Text("colf1"), new Text("colq1")));
    fetchedColumns.add(new Pair<Text, Text>(new Text("colf2"), new Text("colq2")));

    // Fake some iterators
    ArrayList<IteratorSetting> iterators = new ArrayList<IteratorSetting>();
    IteratorSetting setting = new IteratorSetting(50, SummingCombiner.class);
    setting.addOption("foo", "bar");
    iterators.add(setting);

    setting = new IteratorSetting(100, WholeRowIterator.class);
    setting.addOption("bar", "foo");
    iterators.add(setting);

    split.setTableName("table");
    split.setAuths(new Authorizations("foo"));
    split.setOffline(true);
    split.setIsolatedScan(true);
    split.setUsesLocalIterators(true);
    split.setFetchedColumns(fetchedColumns);
    split.setToken(new PasswordToken("password"));
    split.setPrincipal("root");
    split.setInstanceName("instance");
    DeprecationUtil.setMockInstance(split, true);
    split.setZooKeepers("localhost");
    split.setIterators(iterators);
    split.setLogLevel(Level.WARN);

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(baos);
    split.write(dos);

    RangeInputSplit newSplit = new RangeInputSplit();

    ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
    DataInputStream dis = new DataInputStream(bais);
    newSplit.readFields(dis);

    Assert.assertEquals(split.getRange(), newSplit.getRange());
    Assert.assertArrayEquals(split.getLocations(), newSplit.getLocations());

    Assert.assertEquals(split.getTableName(), newSplit.getTableName());
    Assert.assertEquals(split.getAuths(), newSplit.getAuths());
    Assert.assertEquals(split.isOffline(), newSplit.isOffline());
    Assert.assertEquals(split.isIsolatedScan(), newSplit.isOffline());
    Assert.assertEquals(split.usesLocalIterators(), newSplit.usesLocalIterators());
    Assert.assertEquals(split.getFetchedColumns(), newSplit.getFetchedColumns());
    Assert.assertEquals(split.getToken(), newSplit.getToken());
    Assert.assertEquals(split.getPrincipal(), newSplit.getPrincipal());
    Assert.assertEquals(split.getInstanceName(), newSplit.getInstanceName());
    Assert.assertEquals(
        DeprecationUtil.isMockInstanceSet(split), DeprecationUtil.isMockInstanceSet(newSplit));
    Assert.assertEquals(split.getZooKeepers(), newSplit.getZooKeepers());
    Assert.assertEquals(split.getIterators(), newSplit.getIterators());
    Assert.assertEquals(split.getLogLevel(), newSplit.getLogLevel());
  }