String currentTime = String.valueOf(System.currentTimeMillis());
SimpleObj src = newInstance(SimpleObj.class);
src.setField1(currentTime);
src.setField6("field6Value" + currentTime);
SimpleObjPrime dest = mapper.map(src, SimpleObjPrime.class);
assertNotNull("dest field1 should not be null", dest.getField1());
assertNotNull("dest field6 should not be null", dest.getField6());
assertEquals("dest field1 should have been set by custom field mapper", TestCustomFieldMapper.FIELD_VALUE, dest.getField1());
assertEquals("dest field6 should NOT have been set by custom field mapper", src.getField6(), dest.getField6());
}