chain.add((text, field, langs) -> text.replace(" ", "_"));

        String result = chain.normalize("  TEST CASE  ", "field");

        assertEquals("test_case", result);
    }

    @Test
    public void test_nullInput() throws Exception {
        NormalizerChain chain = new NormalizerChain();
        chain.add(new FullWidthToHalfWidthAlphabetNormalizer());

        // Test with different parameters
        int[][] testCases = { { 0, 10 }, { 5, 20 }, { 50, 50 }, { 0, 0 } };

        for (int[] testCase : testCases) {
            // Arrange
            byte[] buffer = new byte[100];
            int bufferIndex = testCase[0];
            int len = testCase[1];

            // Act

    }

    @Test
    public void testVariousFieldValues() {
        int[][] testCases = { { 0, 0, 0 }, { 100, 200, 300 }, { 32767, 32767, 32767 }, { 65535, 65535, 65535 } };

        for (int[] testCase : testCases) {
            int serverType = testCase[0];
            int proximity = testCase[1];
            int ttl = testCase[2];

            ByteBuffer bb = ByteBuffer.wrap(testBuffer).order(ByteOrder.LITTLE_ENDIAN);

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.suggest.normalizer;

import junit.framework.TestCase;

public class ICUNormalizerTest extends TestCase {
    public void test_FullwidthHalfwidth() {
        ICUNormalizer normalizer = new ICUNormalizer("Fullwidth-Halfwidth");

        assertEquals("abcd", normalizer.normalize("ａｂｃｄ", null));

import org.codelibs.fess.suggest.settings.SuggestSettings;
import org.codelibs.opensearch.runner.OpenSearchRunner;
import org.opensearch.core.common.Strings;

import junit.framework.TestCase;

public class SuggesterBuilderTest extends TestCase {
    OpenSearchRunner runner;

    @Override
    public void setUp() throws Exception {
        runner = new OpenSearchRunner();
        runner.onBuild((number, settingsBuilder) -> {

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.suggest.converter;

import java.util.List;

import junit.framework.TestCase;

public class KatakanaToAlphabetConverterTest extends TestCase {

    private KatakanaToAlphabetConverter converter;

    @Override
    protected void setUp() throws Exception {
        super.setUp();

        assertEquals(expectedString, packet.toString());
    }

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

import junit.framework.TestCase;

/**
 * @author higa
 *
 */
public class Base64UtilTest extends TestCase {

    private static final String ORIGINAL = "how now brown cow\r\n";

    private static final byte[] BINARY_DATA = ORIGINAL.getBytes();

import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.codelibs.core.exception.IORuntimeException;

import junit.framework.TestCase;

/**
 * @author higa
 *
 */
public class SerializeUtilTest extends TestCase {

    /**
     * @throws Exception
     */
    public void testSerialize() throws Exception {
        final String[] a = new String[] { "1", "2" };

            Arrays.fill(sourceKey, (byte) 0x55);

            SrvCopychunk[] testCases = { new SrvCopychunk(1, 2, 3), new SrvCopychunk(4, 5, 6), new SrvCopychunk(7, 8, 9),
                    new SrvCopychunk(10, 11, 12), new SrvCopychunk(13, 14, 15) };

            for (int numChunks = 0; numChunks <= testCases.length; numChunks++) {
                // Create copy with varying number of chunks