LinearOffsetRange lor;
lor = new LinearOffsetRange(3, 2);
assertEquals(3, lor.getFirstIndex());
assertEquals(4, lor.getLastIndex());
lor = lor.normaliseAndTranslate(0); // expected no change
assertEquals(3, lor.getFirstIndex());
assertEquals(4, lor.getLastIndex());
lor = lor.normaliseAndTranslate(5);
assertEquals(8, lor.getFirstIndex());