// Then
        assertSame(cause, exception.getCause(), "Crypto cause should be preserved");
        assertEquals(cause.toString(), exception.getMessage(), "Message should be cause.toString() when only cause is provided");
    }

    @Test
    @DisplayName("Message and cause constructor should preserve both crypto parameters")
    void testMessageAndCauseConstructor() {

        }
    }

    @Test
    @DisplayName("Cause-only constructor: preserves provided cause; no interactions with cause")
    void causeOnlyConstructor_preservesCause_andNoInteractions() {
        // Arrange & Act
        SMBProtocolDecodingException ex = new SMBProtocolDecodingException(mockCause);

        // Assert cause propagation
        assertSame(mockCause, ex.getCause(), "Cause should be exactly the provided instance");

        // Test constructor with message and cause
        String message = "Test scheduled job error with cause";
        Throwable cause = new RuntimeException("Root cause exception");
        ScheduledJobException exception = new ScheduledJobException(message, cause);

        assertEquals(message, exception.getMessage());
        assertEquals(cause, exception.getCause());
        assertEquals("Root cause exception", exception.getCause().getMessage());

      @Nullable K key, @Nullable V value, RemovalCause cause) {
    return new RemovalNotification<>(key, value, cause);
  }

  private RemovalNotification(@Nullable K key, @Nullable V value, RemovalCause cause) {
    super(key, value);
    this.cause = checkNotNull(cause);
  }

  /** Returns the cause for which the entry was removed. */
  public RemovalCause getCause() {
    return cause;
  }

  /**

    /**
     * Constructs a new FessSystemException with the specified detail message and cause.
     *
     * @param message the detail message describing the exception
     * @param cause the cause of this exception
     */
    public FessSystemException(final String message, final Throwable cause) {
        super(message, cause);
    }

    /**
     * Constructs a new FessSystemException with the specified detail message.

        // Test constructor with message and cause
        String message = "Query parsing failed";
        Exception cause = new IllegalArgumentException("Invalid query syntax");

        SearchQueryException exception = new SearchQueryException(message, cause);

        assertEquals(message, exception.getMessage());
        assertEquals(cause, exception.getCause());

        // Test constructor with message and cause
        String message = "Test error message";
        Throwable cause = new RuntimeException("Underlying cause");
        SearchEngineClientException exception = new SearchEngineClientException(message, cause);

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertEquals(cause, exception.getCause());
    }

    @Test

    /**
     * Constructs a new SuggestIndexException with the specified cause.
     * @param cause The cause.
     */
    public SuggestIndexException(final Throwable cause) {
        super(cause);
    }

    /**
     * Constructs a new SuggestIndexException with the specified detail message and cause.
     * @param msg The detail message.
     * @param cause The cause.
     */

     *            Message code
     * @param args
     *            Array of arguments
     * @param cause
     *            The cause of the exception
     */
    public ClSQLException(final String messageCode, final Object[] args, final Throwable cause) {
        this(messageCode, args, null, 0, cause, null);
    }

    /**
     * Creates a {@link ClSQLException}.
     *
     * @param messageCode

    }

    @Test
    public void test_toStringMethodWithCause() {
        // Test toString method behavior with cause
        String message = "Plugin error with cause";
        Throwable cause = new RuntimeException("Root cause");
        PluginException exception = new PluginException(message, cause);

        String toStringResult = exception.toString();
        assertNotNull(toStringResult);