@Test
  public void testJobConfigurableExtensionOfTableInputFormatBase() throws IOException {
    LOG.info(
      "testing use of an InputFormat taht extends InputFormatBase, " + "using JobConfigurable.");
    final Table table = createTable(Bytes.toBytes("exampleJobConfigurableTable"),
      new byte[][] { Bytes.toBytes("columnA"), Bytes.toBytes("columnB") });
    testInputFormat(ExampleJobConfigurableTIF.class);
  }
Verify the example we present in javadocs on TableInputFormatBase
hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapred/TestTableInputFormat.java