assertEquals(0L, item.getId());
        assertNotNull(item.getNewInputs());
        assertEquals("result", item.getNewOutput());
        // NewInputs should have same content as inputs for id=0 (defensive copy is returned)
        assertArrayEquals(inputs, item.getNewInputs());
        assertEquals("result", item.getNewOutput());
    }

    @Test
    public void test_constructor_withNewlineInOutput() {

                        writer.write(item.toLineString());
                        writer.write(Constants.LINE_SEPARATOR);
                        return new StemmerOverrideItem(item.getId(), item.getNewInput(), item.getNewOutput());
                    }
                    return null;
                } finally {
                    item.setNewInput(null);
                    item.setNewOutput(null);
                }

                        writer.write(item.toLineString());
                        writer.write(Constants.LINE_SEPARATOR);
                        return new CharMappingItem(item.getId(), item.getNewInputs(), item.getNewOutput());
                    }
                    return null;
                } finally {
                    item.setNewInputs(null);
                    item.setNewOutput(null);
                }