private void _testMapsWithLinefeeds(boolean useBytes) throws Exception {
    String CSV =
        "A,B,C\n"
            + "data11,data12\n"
            + "data21,data22,data23\r\n"
            + "data31,\"data32 data32\ndata32 data32\",data33\n"
            + "data41,\"data42 data42\r\ndata42\",data43\n";

    CsvSchema cs = CsvSchema.emptySchema().withHeader();
    ObjectReader or = MAPPER.readerFor(HashMap.class).with(cs);

    MappingIterator<Map<String, String>> mi;

    if (useBytes) {
      mi = or.readValues(CSV.getBytes("UTF-8"));
    } else {
      mi = or.readValues(CSV);
    }

    assertTrue(mi.hasNext());
    Map<String, String> map = mi.nextValue();
    assertNotNull(map);
    assertEquals("data11", map.get("A"));
    assertEquals("data12", map.get("B"));
    assertEquals(2, map.size());

    assertTrue(mi.hasNext());
    map = mi.nextValue();
    assertNotNull(map);
    assertEquals(3, map.size());

    // then entries with linefeeds
    assertTrue(mi.hasNext());
    map = mi.nextValue();
    assertNotNull(map);
    assertEquals(3, map.size());
    assertEquals("data31", map.get("A"));
    assertEquals("data32 data32\ndata32 data32", map.get("B"));
    assertEquals("data33", map.get("C"));

    assertTrue(mi.hasNext());
    map = mi.nextValue();
    assertNotNull(map);
    assertEquals(3, map.size());
    assertEquals("data41", map.get("A"));
    assertEquals("data42 data42\r\ndata42", map.get("B"));
    assertEquals("data43", map.get("C"));

    assertFalse(mi.hasNext());
    mi.close();
  }