}

    @Test
    public void testSpecialCharactersInIndexName() {
        // Test index name with special characters
        builder.setSettingsIndexName("Test-Index_Name.2024");
        assertEquals("test-index_name.2024", builder.settingsIndexName);

        // Test index name with spaces (should be lowercased)
        builder.setSettingsIndexName("Test Index Name");

[![Java CI with Maven](https://github.com/codelibs/fess-crawler/actions/workflows/maven.yml/badge.svg)](https://github.com/codelibs/fess-crawler/actions/workflows/maven.yml)
[![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)

        try (BufferedInputStream in = new BufferedInputStream(new SmbFileInputStream(src));
                BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(dest))) {
            final byte[] buf = new byte[1024];
            int length;
            while (-1 < (length = in.read(buf))) {
                out.write(buf, 0, length);
                out.flush();
            }
        } catch (final IOException e) {

        assertNotNull(urlFilter);
    }

    /**
     * Test boundary conditions
     */
    public void test_boundaryConditions() {
        String sessionId = "test-session-024";
        urlFilter.init(sessionId);

        // Test empty pattern
        urlFilter.addInclude("");
        urlFilter.addExclude("");

        // Test single character pattern

[![Java CI with Maven](https://github.com/codelibs/fess-suggest/actions/workflows/maven.yml/badge.svg)](https://github.com/codelibs/fess-suggest/actions/workflows/maven.yml)
[![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)

        try (BufferedInputStream in = new BufferedInputStream(new SmbFileInputStream(src));
                BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(dest))) {
            final byte[] buf = new byte[1024];
            int length;
            while (-1 < (length = in.read(buf))) {
                out.write(buf, 0, length);
                out.flush();
            }
        } catch (final IOException e) {