@Test
public void testCheckContainingPreservedColumns() {

  useCommitFamily(CommitFamily.SAME_WITH_DATA_FAMILY);
  Map<byte[], NavigableSet<byte[]>> familyMap = new HashMap<byte[], NavigableSet<byte[]>>();
  familyMap.put(FAMILY, new TreeSet<byte[]>(Bytes.BYTES_COMPARATOR));
  familyMap.get(FAMILY).add(QUALIFIER);
  familyMap.put(ANOTHER_FAMILY, null);
  try {
    ThemisRead.checkContainingPreservedColumns(familyMap);
  } catch (IOException e) {
    Assert.fail();
  }
  familyMap.get(FAMILY).add(ColumnUtil.getPutColumn(new Column(FAMILY, QUALIFIER)).getQualifier());
  try {
    ThemisRead.checkContainingPreservedColumns(familyMap);
    Assert.fail();
  } catch (IOException e) {
  }
}