} catch (ExecutionException e) {
      rethrow(e);
    }
    throw new AssertionError("Unreachable");
  }

  @Override
  public V get(long timeout, TimeUnit unit)
      throws InterruptedException, ExecutionException, TimeoutException {
    try {
      super.get(timeout, unit);
    } catch (ExecutionException e) {
      rethrow(e);
    }
    throw new AssertionError("Unreachable");
  }

    } catch (ExecutionException e) {
      rethrow(e);
    }
    throw new AssertionError("Unreachable");
  }

  @Override
  public V get(long timeout, TimeUnit unit)
      throws InterruptedException, ExecutionException, TimeoutException {
    try {
      super.get(timeout, unit);
    } catch (ExecutionException e) {
      rethrow(e);
    }
    throw new AssertionError("Unreachable");
  }

    assertTrue(latch.await(5, SECONDS));
    assertTrue(future.isDone());
    assertFalse(future.isCancelled());

    try {
      future.get();
      fail("Future should rethrow the exception.");
    } catch (ExecutionException e) {
      assertThat(e).hasCauseThat().hasMessageThat().isEqualTo(message);
    }
  }

  private Flushables() {}

  /**
   * Flush a {@link Flushable}, with control over whether an {@code IOException} may be thrown.
   *
   * <p>If {@code swallowIOException} is true, then we don't rethrow {@code IOException}, but merely
   * log it.
   *
   * @param flushable the {@code Flushable} object to be flushed.
   * @param swallowIOException if true, don't propagate IO exceptions thrown by the {@code flush}

   *   try {
   *     // ... code which does something with the stream ...
   *     threw = false;
   *   } finally {
   *     // If an exception occurs, rethrow it only if threw==false:
   *     Closeables.close(stream, threw);
   *   }
   * }
   * }</pre>
   *
   * @param closeable the {@code Closeable} object to be closed, or null, in which case this method
   *     does nothing

  // Set up a flushable to expect to be flushed, and optionally to
  // throw an exception.
  private void setupFlushable(boolean shouldThrowOnFlush) throws IOException {
    mockFlushable = mock(Flushable.class);
    if (shouldThrowOnFlush) {
      doThrow(
              new IOException(
                  "This should only appear in the " + "logs. It should not be rethrown."))
          .when(mockFlushable)
          .flush();
    }
  }

  }

  // Set up a closeable to expect to be closed, and optionally to throw an
  // exception.
  private void setupCloseable(boolean shouldThrow) throws IOException {
    mockCloseable = mock(Closeable.class);
    if (shouldThrow) {
      doThrow(new IOException("This should only appear in the logs. It should not be rethrown."))
          .when(mockCloseable)
          .close();
    }
  }

  }

  // Set up a closeable to expect to be closed, and optionally to throw an
  // exception.
  private void setupCloseable(boolean shouldThrow) throws IOException {
    mockCloseable = mock(Closeable.class);
    if (shouldThrow) {
      doThrow(new IOException("This should only appear in the logs. It should not be rethrown."))
          .when(mockCloseable)
          .close();
    }
  }

  // Set up a flushable to expect to be flushed, and optionally to
  // throw an exception.
  private void setupFlushable(boolean shouldThrowOnFlush) throws IOException {
    mockFlushable = mock(Flushable.class);
    if (shouldThrowOnFlush) {
      doThrow(
              new IOException(
                  "This should only appear in the " + "logs. It should not be rethrown."))
          .when(mockFlushable)
          .flush();
    }
  }

      }

      int rlen = r.length;
      int charsSkipped = index - lastEscape;

      // This is the size needed to add the replacement, not the full size
      // needed by the string. We only regrow when we absolutely must, and
      // when we do grow, grow enough to avoid excessive growing. Grow.
      int sizeNeeded = destIndex + charsSkipped + rlen;
      if (destSize < sizeNeeded) {