* this method is guaranteed to be called once the computation is complete.
   *
   * <p>Exceptions thrown by a listener will be propagated up to the executor. Any exception thrown
   * during {@code Executor.execute} (e.g., a {@code RejectedExecutionException} or an exception
   * thrown by {@linkplain MoreExecutors#directExecutor direct execution}) will be caught and
   * logged.
   *

   * this method is guaranteed to be called once the computation is complete.
   *
   * <p>Exceptions thrown by a listener will be propagated up to the executor. Any exception thrown
   * during {@code Executor.execute} (e.g., a {@code RejectedExecutionException} or an exception
   * thrown by {@linkplain MoreExecutors#directExecutor direct execution}) will be caught and
   * logged.
   *

import org.codelibs.fess.unit.UnitFessTestCase;

public class FessUserBeanTest extends UnitFessTestCase {

    private FessUserBean fessUserBean;
    private TestFessUser testUser;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        testUser = new TestFessUser();
        fessUserBean = new FessUserBean(testUser);
    }

    public void test_getUserId() {
        // Test with normal user

import org.codelibs.fess.unit.UnitFessTestCase;

public class DataStoreTest extends UnitFessTestCase {

    private DataStore dataStore;

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

    public void test_store_basic() {
        // Create a simple DataStore implementation for testing
        final AtomicBoolean storeCalled = new AtomicBoolean(false);

    }

    @Override
    public boolean hasNext() {
      return !stack.isEmpty();
    }

    @Override
    public T next() {
      Iterator<T> itr = stack.getLast(); // throws NSEE if empty
      T result = checkNotNull(itr.next());
      if (!itr.hasNext()) {
        stack.removeLast();
      }
      Iterator<T> childItr = children(result).iterator();
      if (childItr.hasNext()) {

            return OptionalThing.ofNullable(subject, () -> {
                throw new IllegalStateException("Subject not found");
            });
        }

        @Override
        public OptionalThing<String> getSavedPlainText() {
            return OptionalThing.ofNullable(plainText, () -> {
                throw new IllegalStateException("Plain text not found");
            });
        }

        queryFieldConfig.highlightedFields = null;

        // When highlightedFields is null, the method should handle it gracefully
        // or throw an exception. Test the actual behavior.
        queryFieldConfig.highlightedFields(stream -> {
            // If it doesn't throw NPE, it should provide an empty stream
            assertEquals(0, stream.count());
        });
    }

            lastCommandList = new ArrayList<>(cmdList);

            if (exception instanceof RuntimeException) {
                throw (RuntimeException) exception;
            } else if (exception instanceof InterruptedException) {
                Thread.currentThread().interrupt();
                throw new RuntimeException(exception);
            }

            return new MockJobProcess(exitValue, output);
        }

    // 8 expires
    ticker.advance(1, MILLISECONDS);
    assertThat(keySet).containsExactly(0, 1, 2, 5, 7, 9);
  }

  public void testExpirationOrder_write() throws ExecutionException {
    // test lru within a single segment
    FakeTicker ticker = new FakeTicker();
    IdentityLoader<Integer> loader = identityLoader();
    LoadingCache<Integer, Integer> cache =

        try {
            JvmUtil.getJavaVersion();
            fail("Should throw NumberFormatException");
        } catch (NumberFormatException e) {
            // Expected
        }

        // Test with invalid format
        System.setProperty("java.version", "invalid");
        try {
            JvmUtil.getJavaVersion();
            fail("Should throw NumberFormatException");
        } catch (NumberFormatException e) {