return lengthIfKnown.get();
    }

    Closer closer = Closer.create();
    try {
      Reader reader = closer.register(openStream());
      return countBySkipping(reader);
    } catch (Throwable e) {
      throw closer.rethrow(e);
    } finally {
      closer.close();
    }
  }

  private long countBySkipping(Reader reader) throws IOException {
    long count = 0;
    long read;

        // to currentFuture doesn't race with itself so that currentFuture is assigned in the
        // correct order.
        Throwable scheduleFailure = null;
        Cancellable toReturn;
        lock.lock();
        try {
          toReturn = initializeOrUpdateCancellationDelegate(schedule);
        } catch (Throwable e) {
          // Any Exception is either a RuntimeException or sneaky checked exception.
          //

    /**
     * {@inheritDoc}
     *
     * @see jcifs.CIFSContext#renewCredentials(java.lang.String, java.lang.Throwable)
     */
    @Override
    public boolean renewCredentials(final String locationHint, final Throwable error) {
        return false;
    }

    /**
     * {@inheritDoc}
     *
     *
     * @see jcifs.CIFSContext#close()
     */

     * @param cause The cause.
     */
    public SuggesterException(final Throwable cause) {
        super(cause);
    }

    /**
     * Constructs a new SuggesterException with the specified detail message and cause.
     * @param msg The detail message.
     * @param cause The cause.
     */
    public SuggesterException(final String msg, final Throwable cause) {
        super(msg, cause);
    }

        assertEquals(errorMessage, e.getMessage());
        assertNull(e.getCause());
    }

    /**
     * Test the constructor with a cause.
     */
    @Test
    void testCauseConstructor() {
        Throwable cause = new RuntimeException("Root cause");
        PACDecodingException e = new PACDecodingException(cause);
        // When constructed with only a cause, the implementation passes (null, cause) to super

     * @param message the detail message
     * @param cause the cause of this exception
     */
    public SpnegoException(final String message, final Throwable cause) {
        super(message, cause);
    }

    /**
     * Constructs a new SpnegoException with the specified detail message
     * @param message the detail message
     */

     *
     * @param msg the detail message
     * @param rootCause the cause of the exception
     */
    public RequestTimeoutException(final String msg, final Throwable rootCause) {
        super(msg, rootCause);
    }

    /**
     * Constructs a new RequestTimeoutException with the specified detail message.
     *
     * @param msg the detail message
     */

        assertThat(clIllegalStateException.getMessage(), is("hoge"));
    }

    /**
     * Test method for
     * {@link org.codelibs.core.exception.ClIllegalStateException#SIllegalStateException(java.lang.String, java.lang.Throwable)}
     * .
     */
    @Test
    public void testSIllegalStateExceptionStringThrowable() {
        final ClIllegalStateException clIllegalStateException = new ClIllegalStateException("hoge", new NullPointerException());

            if (hasReadMethod()) {
                return MethodUtil.invoke(readMethod, target, EMPTY_ARGS);
            }
            return FieldUtil.get(field, target);
        } catch (final Throwable t) {
            throw new IllegalPropertyRuntimeException(beanDesc.getBeanClass(), propertyName, t);
        }
    }

    @Override
    public void setValue(final Object target, final Object value) {

import org.codelibs.fess.unit.UnitFessTestCase;

public class JobProcessingExceptionTest extends UnitFessTestCase {

    public void test_constructor_withCause() {
        // Test constructor with Throwable cause
        final Exception cause = new RuntimeException("Root cause");
        final JobProcessingException exception = new JobProcessingException(cause);

        assertNotNull(exception);