item.setNewInput("third");
        assertTrue(item.isUpdated());
        assertFalse(item.isDeleted());
        assertEquals("third", item.toLineString());
    }

    @Test
    public void test_specialCharacters() {
        // Test with special characters in input
        String specialInput = "test@#$%^&*()_+-=[]{}|;':\",./<>?";
        ProtwordsItem item = new ProtwordsItem(1, specialInput);

        item.setNewInput("third");
        assertEquals("third", item.toLineString());
        assertTrue(item.isUpdated());
        assertFalse(item.isDeleted());
    }

    @Test
    public void test_specialCharacters() {
        // Test with special characters
        String specialInput = "test@#$%^&*()_+-=[]{}|;':\",./<>?";
        StopwordsItem item = new StopwordsItem(1, specialInput);

        PagingList<CharMappingItem> result = charMappingFile.selectList(0, 10);
        assertEquals(2, result.size());
    }

    // Test with special characters in mapping
    @Test
    public void test_specialCharacters() throws Exception {
        writeTestFile("α,β => γ\n中,文 => 字\n");

        PagingList<CharMappingItem> result = charMappingFile.selectList(0, 10);
        assertEquals(2, result.size());

Shinsuke Sugaya <******@****.***> 1773442886 +0900

Shinsuke Sugaya <******@****.***> 1773442886 +0900

        assertEquals(100, list.size());
        assertEquals("test1", list.get(0).getInput());
        assertEquals("test100", list.get(99).getInput());
    }

    @Test
    public void test_specialCharacters() throws Exception {
        // Test with special characters
        String content = "test1\n" + "日本語\n" + "word with spaces\n" + "\ttab\tword\t\n";

        // Write content to test file

Shinsuke Sugaya <******@****.***> 1773442886 +0900

Shinsuke Sugaya <******@****.***> 1773442886 +0900

Shinsuke Sugaya <******@****.***> 1773442886 +0900

Shinsuke Sugaya <******@****.***> 1768120985 +0900