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);

        assertThat(set.contains(TraverserUtilTest.class.getName()), is(true));
        assertThat(set.contains(TestCase.class.getName()), is(not(true)));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testFromClass_JarFile() throws Exception {
        final Traverser traverser = TraversalUtil.getTraverser(TestCase.class);
        assertThat(traverser, is(notNullValue()));

        assertThat(ClassLoaderUtil.getClassLoader(Object.class), is(sameInstance(ClassLoaderUtil.class.getClassLoader())));

        assertThat(ClassLoaderUtil.getClassLoader(TestCase.class), is(sameInstance(TestCase.class.getClassLoader())));

        final ClassLoader context = Thread.currentThread().getContextClassLoader();
        try {
            final ClassLoader cl = new URLClassLoader(new URL[0], getClass().getClassLoader());

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

import junit.framework.TestCase;

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

    /**
     * @throws Exception
     */
    public void testToBigIntegerForEmptyString() throws Exception {

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

import junit.framework.TestCase;

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

    /**
     * Test method for {@link org.codelibs.core.net.UuidUtil#create()}.
     */
    public void testCreate() {
        final String uuid = UuidUtil.create();

import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.net.URLClassLoader;

import junit.framework.TestCase;

import org.codelibs.core.exception.ResourceNotFoundRuntimeException;

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

    /**
     * @throws Exception
     */
    public void testGetResourcePath() throws Exception {

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

import junit.framework.TestCase;

public class ReadingConverterChainTest extends TestCase {
    public void test_convert() throws Exception {
        /*
         * TODO ReadingConverterChain chain = new ReadingConverterChain(); chain.addConverter(new KatakanaConverter());

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

import junit.framework.TestCase;

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

    /**
     * @throws Exception
     */
    public void testToByte() throws Exception {