assertEquals(4, list.size());
        assertEquals("test1", list.get(0).getInput());
        assertEquals("日本語", list.get(1).getInput());
        assertEquals("word with spaces", list.get(2).getInput());
        assertEquals("	tab	word	", list.get(3).getInput());
    }

    // Helper method to write content to test file
    private void writeTestFile(String content) throws Exception {

    @Test
    public void test_getInput() {
        // Test getInput method
        StopwordsItem item1 = new StopwordsItem(1, "test");
        assertEquals("test", item1.getInput());

        StopwordsItem item2 = new StopwordsItem(2, "");
        assertEquals("", item2.getInput());

        StopwordsItem item3 = new StopwordsItem(3, null);
        assertNull(item3.getInput());
    }

    @Test

        assertEquals(3, stopwordsFile.stopwordsItemList.size());
        assertEquals("word1", stopwordsFile.stopwordsItemList.get(0).getInput());
        assertEquals("word2", stopwordsFile.stopwordsItemList.get(1).getInput());
        assertEquals("word3", stopwordsFile.stopwordsItemList.get(2).getInput());
    }

    @Test
    public void test_reload_withEscapedCharacters() {
        String content = "word\\\\1\n" + // word\1

    @Test
    public void test_getInput() {
        // Test getInput method
        ProtwordsItem item1 = new ProtwordsItem(1, "word1");
        assertEquals("word1", item1.getInput());

        ProtwordsItem item2 = new ProtwordsItem(2, "");
        assertEquals("", item2.getInput());

        ProtwordsItem item3 = new ProtwordsItem(3, null);
        assertNull(item3.getInput());
    }

    @Test

    public void test_new1() {
        final StemmerOverrideItem stemmerOverrideItem = new StemmerOverrideItem(1, "aaa", "a");
        assertEquals(1, stemmerOverrideItem.getId());
        assertEquals("aaa", stemmerOverrideItem.getInput());
        assertEquals("a", stemmerOverrideItem.getOutput());
        assertNull(stemmerOverrideItem.getNewInput());
        assertNull(stemmerOverrideItem.getNewOutput());
        assertFalse(stemmerOverrideItem.isUpdated());

        assertEquals("b2", itemList.get(1).getInputs()[1]);
        assertEquals("B1", itemList.get(1).getOutputs()[0]);
        assertFalse(itemList.get(1).isUpdated());

        assertEquals(1, itemList.get(2).getInputs().length);
        assertEquals(2, itemList.get(2).getOutputs().length);
        assertEquals("c1", itemList.get(2).getInputs()[0]);

        assertEquals(1, synonymItem.getId());
        assertEquals(2, synonymItem.getInputs().length);
        assertEquals("a", synonymItem.getInputs()[0]);
        assertEquals("A", synonymItem.getInputs()[1]);
        assertEquals(2, synonymItem.getOutputs().length);
        assertEquals("b", synonymItem.getOutputs()[0]);

        assertEquals("a", item.getInputs()[0]);

        // NewInputs not sorted yet
        assertEquals("9", item.getNewInputs()[0]);

        // Call sort
        item.sort();

        // Both should be sorted
        assertEquals("a", item.getInputs()[0]);
        assertEquals("m", item.getInputs()[1]);
        assertEquals("z", item.getInputs()[2]);

        assertArrayEquals(new String[] { "a", "b" }, item1.getInputs());
        assertEquals("c", item1.getOutput());

        OptionalEntity<CharMappingItem> result2 = charMappingFile.get(2L);
        assertTrue(result2.isPresent());
        CharMappingItem item2 = result2.get();
        assertEquals(2L, item2.getId());
        assertArrayEquals(new String[] { "d", "e" }, item2.getInputs());
        assertEquals("f", item2.getOutput());

        final Iterator<ImageReader> readers = ImageIO.getImageReaders(input);
        if (readers.hasNext()) {
            final ImageReader reader = readers.next();
            try {
                reader.setInput(input);
                final ImageReadParam param = reader.getDefaultReadParam();
                final int width = reader.getWidth(0);
                final int height = reader.getHeight(0);