@Test public void testGetInputBytes() throws Exception {
  assumeTrue(!TestUtil.shouldSkip(storageFormat,DISABLED_STORAGE_FORMATS));
  File file=new File(TEST_WAREHOUSE_DIR + "/" + SPECIFIC_SIZE_TABLE+ "/part-m-00000");
  file.deleteOnExit();
  RandomAccessFile randomAccessFile=new RandomAccessFile(file,"rw");
  randomAccessFile.setLength(2L * 1024 * 1024* 1024);
  randomAccessFile.close();
  Job job=new Job();
  HCatLoader hCatLoader=new HCatLoader();
  hCatLoader.setUDFContextSignature("testGetInputBytes");
  hCatLoader.setLocation(SPECIFIC_SIZE_TABLE,job);
  ResourceStatistics statistics=hCatLoader.getStatistics(file.getAbsolutePath(),job);
  assertEquals(2048,(long)statistics.getmBytes());
}