assertTrue(future.isDone());
    assertNull(tryInternalFastPathGetFailure(future));
    CancellationException e = assertThrows(CancellationException.class, () -> future.get());
    assertNotNull(e.getCause());
  }

  public void testCancel_notDoneInterrupt() throws Exception {
    Future<?> future = newFutureInstance();
    assertTrue(future.cancel(true));
    assertTrue(future.isCancelled());

      return future.get();
    } catch (InterruptedException e) {
      currentThread().interrupt();
      throw newWithCause(exceptionClass, e);
    } catch (ExecutionException e) {
      wrapAndThrowExceptionOrError(e.getCause(), exceptionClass);
      throw new AssertionError();
    }
  }

  /** Implementation of {@link Futures#getChecked(Future, Class, long, TimeUnit)}. */
  @CanIgnoreReturnValue
  @ParametricNullness

    super(key, value);
    this.cause = checkNotNull(cause);
  }

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

  /**
   * Returns {@code true} if there was an automatic removal due to eviction (the cause is neither
   * {@link RemovalCause#EXPLICIT} nor {@link RemovalCause#REPLACED}).
   */

    try {
      method.invoke(wrapper, getParameterValues(method));
      fail(method + " failed to throw exception as is.");
    } catch (InvocationTargetException e) {
      if (exception != e.getCause()) {
        throw new RuntimeException(e);
      }
    } catch (IllegalAccessException e) {
      throw new AssertionError(e);
    }
  }

  private static <T> void testEquals(

    }

    /**
     * Constructs a new {@code MojoFailureException} exception wrapping an underlying {@code Throwable}.
     *
     * @param cause the cause which is saved for later retrieval by the {@link #getCause()} method.
     *              A {@code null} value is permitted, and indicates that the cause is nonexistent or unknown.
     * @since 3.8.3
     */
    public MojoFailureException(Throwable cause) {
        super(cause);

        super(msg, rootCause);
    }


    /**
     * 
     * @return root cause
     */
    @Deprecated
    public Throwable getRootCause () {
        return getCause();
    }

        System.out.println(e.getMessage());
        assertThat(e.getPropertyName(), is("hoge"));
        assertThat(e.getValue(), is((Object) "xxx"));
        assertThat(e.getCause().getMessage(), is("cause"));
    }

        try {
            return CommonsCliMavenOptions.parse(source, args.toArray(new String[0]));
        } catch (ParseException e) {
            throw new ParserException("Failed to parse source " + source, e.getCause());
        }
    }

    // TODO: same is in DefaultMavenParser!!! (duplication)
    @Override
    protected MavenOptions assembleOptions(List<MavenOptions> parsedOptions) {

                        }
                        tree.send(create2);
                    }
                    catch ( Exception e ) {

                        if ( e.getCause() instanceof TransportException && e.getCause().getCause() instanceof InterruptedException ) {

                            Smb2CreateRequest create3 = new Smb2CreateRequest(sess.getConfig(), "\\xyz");

        try {
            f.createNewFile();
            assertTrue("Did not see error", false);
        }
        catch ( SmbException e ) {
            if ( e.getCause() instanceof ConnectionTimeoutException ) {
                long timeout = System.currentTimeMillis() - start;
                assertTrue(
                    String.format(