*
     * @throws Exception if any.
     */
    @Test
    public void testIllegalMappedType() throws Exception {
        try {
            ReflectionValueExtractor.evaluate("h.value(key)", new ValueHolder("string"));
        } catch (Exception e) {
            // TODO assert exception message
        }
    }

    /**
     * <p>testTrimRootToken.</p>
     *
     * @throws Exception if any.
     */
    @Test

import org.junit.Test;

public class HankakuKanaToZenkakuKanaTest {

    @Test
    public void test_constructor() throws Exception {
        HankakuKanaToZenkakuKana normalizer = new HankakuKanaToZenkakuKana();
        assertNotNull(normalizer);
    }

    @Test
    public void test_basicKatakana() throws Exception {
        HankakuKanaToZenkakuKana normalizer = new HankakuKanaToZenkakuKana();

    SomeChainingException exception = new SomeChainingException(new SomeChainingException(cause));
    assertThat(getRootCause(exception)).isSameInstanceAs(cause);
  }

  public void testGetRootCause_loop() {
    Exception cause = new Exception();
    Exception exception = new Exception(cause);
    cause.initCause(exception);
    IllegalArgumentException expected =

   *
   * @param exceptionType the exception type that triggers use of {@code fallback}. The exception
   *     type is matched against this step's exception. "This step's exception" means the cause of
   *     the {@link ExecutionException} thrown by {@link Future#get()} on the {@link Future}
   *     underlying this step or, if {@code get()} throws a different kind of exception, that

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.exception;

/**
 * System exception class for the Fess search engine.
 * This exception is thrown when system-level errors occur in the Fess application,
 * such as configuration errors, initialization failures, or critical runtime issues.
 */

        }, "Should throw UnknownHostException for non-existent NetBIOS name with type");

        // Verify the exception message indicates name resolution failure
        assertTrue(exception.getMessage().contains("NONEXISTENT") || exception.getMessage().contains("unknown")
                || exception.getMessage().contains("not found"), "Exception message should indicate name resolution failure");
    }

    @Test

  protected static final int VALID_INPUT_DATA = 1;
  protected static final Exception EXCEPTION = new Exception("Test exception");

  protected SettableFuture<Integer> inputFuture;
  protected ListenableFuture<T> resultFuture;
  protected MockFutureListener listener;

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

    inputFuture = SettableFuture.create();

        // Then: Remove should throw UnsupportedOperationException
        UnsupportedOperationException exception = assertThrows(UnsupportedOperationException.class, iterator::remove);
        assertEquals("remove", exception.getMessage());
    }

    @Test
    @DisplayName("Close should be idempotent")
    void testClose_Idempotent() throws Exception {
        // Given: A valid iterator setup

  public void setUp() throws IOException {
    rootDir = createTempDir();
  }

  public void testFileTraverser_emptyDirectory() throws Exception {
    assertThat(Files.fileTraverser().breadthFirst(rootDir)).containsExactly(rootDir);
  }

  public void testFileTraverser_nonExistingFile() throws Exception {
    File file = new File(rootDir, "file-that-doesnt-exist");

    assertThat(Files.fileTraverser().breadthFirst(file)).containsExactly(file);

  public void setUp() throws IOException {
    rootDir = createTempDir();
  }

  public void testFileTraverser_emptyDirectory() throws Exception {
    assertThat(Files.fileTraverser().breadthFirst(rootDir)).containsExactly(rootDir);
  }

  public void testFileTraverser_nonExistingFile() throws Exception {
    File file = new File(rootDir, "file-that-doesnt-exist");

    assertThat(Files.fileTraverser().breadthFirst(file)).containsExactly(file);