}

func TestExtractHostPort(t *testing.T) {
	testCases := []struct {
		addr        string
		host        string
		port        string
		expectedErr error
	}{
		{"", "", "", errors.New("unable to process empty address")},
		{"localhost:9000", "localhost", "9000", nil},
		{"http://:9000/", "", "9000", nil},
		{"http://8.8.8.8:9000/", "8.8.8.8", "9000", nil},
		{"https://facebook.com:9000/", "facebook.com", "9000", nil},
	}

        assertNotNull(results);
        // Results may vary based on analyzer configuration
    }

    @Test
    public void testConvertWithEmptyLanguageArray() throws IOException {
        // Test convert with empty language array
        String text = "test text";
        String field = "content";
        String[] langs = new String[0];

        List<String> results = converter.convert(text, field, langs);

     *                 can be null (treated as empty string)
     * @return the most specific matching directive, or null if no directive matches
     */
    public Directive getMatchedDirective(final String userAgent) {
        final String target;
        if (userAgent == null) {
            target = StringUtil.EMPTY;
        } else {
            target = userAgent;
        }

                               aria-controls="listSearchForm"><i class="fas fa-search" aria-hidden="true"></i></a>
                            <div class="collapse <c:if test="${!empty name || !empty value}">show</c:if>" id="listSearchForm">
                                <la:form action="/admin/labeltype/">
                                    <div class="form-group row">

   * ObjectArrays, which is the main caller of this method.)
   */
  static <T extends @Nullable Object> T[] newArray(T[] reference, int length) {
    T[] empty = reference.length == 0 ? reference : Arrays.copyOf(reference, 0);
    return Arrays.copyOf(empty, length);
  }

  /** Equivalent to Arrays.copyOfRange(source, from, to, arrayOfType.getClass()). */
  /*

        if (str == null) {
            return StringUtil.EMPTY;
        }
        try (final Reader reader = new StringReader(str)) {
            return normalizeText(reader, initialCapacity, maxAlphanumTermSize, maxSymbolTermSize, removeDuplication);
        } catch (final IOException e) {
            return StringUtil.EMPTY;
        }
    }

            final String includedUrlsStr = webConfig.getIncludedUrls() != null ? webConfig.getIncludedUrls() : StringUtil.EMPTY;
            final String excludedUrlsStr = webConfig.getExcludedUrls() != null ? webConfig.getExcludedUrls() : StringUtil.EMPTY;

            // num of threads
            final CrawlerContext crawlerContext = crawler.getCrawlerContext();
            final int numOfThread =

            assertTrue(true);
        }
    }

    public void test_reload_withEmptyLines() throws Exception {
        // Create content with empty lines and comments
        String content = "# Comment line\n" + "\n" + // empty line
                "word1\n" + "  \n" + // whitespace line (may be treated as content)
                "# Another comment\n" + "word2\n";

        // Write content to test file

 * governing permissions and limitations under the License.
 */
package org.codelibs.core.collection;

import java.util.Enumeration;

/**
 * An empty {@link Enumeration}.
 *
 * @author higa
 * @param <T> the type of elements
 */
public class EmptyEnumeration<T> extends IteratorEnumeration<T> {

    /**
     * Creates an {@link EmptyEnumeration}.
     */

 * governing permissions and limitations under the License.
 */
package org.codelibs.core.collection;

import java.util.Iterator;

import org.codelibs.core.exception.ClUnsupportedOperationException;

/**
 * An empty {@link Iterator}.
 *
 * @author higa
 * @param <T> the element type
 */
public class EmptyIterator<T> implements Iterator<T> {

    /**
     * Creates an {@link EmptyIterator}.
     */