KeyValue aaa = new ClientKeyValue(a, family1, qualifier1, 0L, Type.Put, a);
assertFalse(aaa.matchingColumn(family2, qualifier2));
assertTrue(aaa.matchingColumn(family1, qualifier1));
aaa = new ClientKeyValue(a, family2, qualifier2, 0L, Type.Put, a);
assertFalse(aaa.matchingColumn(family1, qualifier1));
assertTrue(aaa.matchingColumn(family2,qualifier2));
byte [] nullQualifier = new byte[0];
aaa = new ClientKeyValue(a, family1, nullQualifier, 0L, Type.Put, a);
assertTrue(aaa.matchingColumn(family1,null));
assertFalse(aaa.matchingColumn(family2,qualifier2));