assertEquals(level1, level3.getCause().getCause());
        assertEquals("Level 1", level3.getCause().getCause().getMessage());
    }

    public void test_throwAndCatchException() {
        // Test throwing and catching the exception
        String expectedMessage = "Storage failure";

        try {
            throw new StorageException(expectedMessage);
        } catch (StorageException e) {

                foundTestMethod = true;
                break;
            }
        }
        assertTrue(foundTestMethod);
    }

    public void test_throwAndCatch() {
        // Test throwing and catching the exception
        String message = "Throw and catch test";

        try {
            throw new SearchEngineClientException(message);
        } catch (SearchEngineClientException e) {

 */
package org.codelibs.core.exception;

import static org.codelibs.core.collection.ArrayUtil.asArray;

/**
 * Exception thrown when an argument is null.
 *
 * Intended to be used instead of throwing {@link NullPointerException}.
 *
 * @author wyukawa
 */
public class NullArgumentException extends ClIllegalArgumentException {

    /**
     *
     */

        assertTrue(exception instanceof Exception);
        assertTrue(exception instanceof Throwable);
    }

    public void test_throwAndCatch() {
        // Test throwing and catching the exception
        final String errorMessage = "Data store operation failed";

        try {
            throw new DataStoreException(errorMessage);
        } catch (DataStoreException e) {

        assertTrue(exception instanceof Exception);
        assertTrue(exception instanceof Throwable);
    }

    public void test_throwAndCatch() {
        // Test throwing and catching PluginException
        String expectedMessage = "Plugin loading failed";

        try {
            throw new PluginException(expectedMessage);
        } catch (PluginException e) {

        StackTraceElement firstElement = stackTrace[0];
        assertEquals(this.getClass().getName(), firstElement.getClassName());
    }

    public void test_throwAndCatch() {
        // Test throwing and catching the exception
        String username = "nonexistentuser";

        try {
            throw new FessUserNotFoundException(username);
        } catch (FessUserNotFoundException e) {

   * Future} need not be {@linkplain Future#isDone done}, making {@code AsyncFunction} suitable for
   * asynchronous derivations.
   *
   * <p>Throwing an exception from this method is equivalent to returning a failing {@code Future}.
   */
  ListenableFuture<O> apply(@ParametricNullness I input) throws Exception;

  /**
   * Computes a result {@code Future}. The output {@code Future} need not be {@linkplain
   * Future#isDone done}, making {@code AsyncCallable} suitable for asynchronous derivations.
   *
   * <p>Throwing an exception from this method is equivalent to returning a failing {@link
   * ListenableFuture}.
   */
  ListenableFuture<V> call() throws Exception;

        assertEquals("Invalid LDAP parameter", exception.getCause().getCause().getMessage());
    }

    public void test_throwAndCatch() {
        // Test throwing and catching the exception
        String expectedMessage = "LDAP authentication failed";
        try {
            throw new LdapOperationException(expectedMessage);
        } catch (LdapOperationException e) {

        assertEquals(middleCause, topException.getCause());
        assertEquals(rootCause, topException.getCause().getCause());
    }

    public void test_throwAndCatch() {
        // Test throwing and catching the exception
        String componentName = "cacheManager";
        try {
            throw new ContainerNotAvailableException(componentName);
        } catch (ContainerNotAvailableException e) {