t.nextToken(token);
assertEquals(20, filter.correctOffset(t.getOffset()));
assertEquals(8, t.getLengthInSource());
t.nextToken(token);
assertEquals(33, filter.correctOffset(t.getOffset()));
assertEquals(5, t.getLengthInSource());
t.nextToken(token);
assertEquals(39, filter.correctOffset(t.getOffset()));
assertEquals(5, t.getLengthInSource());