@Test public void testWritingWithIndexSelection() { CsvWriterSettings settings = new CsvWriterSettings(); settings.selectIndexes(4, 1); CsvWriter writer = new CsvWriter(settings); String result1 = writer.writeRowToString(1, 2); writer.updateFieldSelection(0, 3, 5); String result2 = writer.writeRowToString('A', 'B', 'C'); // System.out.println(result1); // System.out.println(result2); assertEquals(result1, ",2,,,1"); assertEquals(result2, "A,,,B,,C"); }