future.get(10, SECONDS);
    assertThrows(RejectedExecutionException.class, () -> executor.execute(Runnables.doNothing()));
    latch.countDown();
    ExecutionException expected =
        assertThrows(ExecutionException.class, () -> first.get(10, SECONDS));
    assertThat(expected).hasCauseThat().isInstanceOf(RejectedExecutionException.class);
  }

  public void testToString() {
    Runnable[] currentTask = new Runnable[1];

 * high contention, expected throughput of this class is significantly higher, at the expense of
 * higher space consumption.
 *
 * <p>This class extends {@link Number}, but does not define methods such as {@code
 * equals}, {@code hashCode} and {@code compareTo} because instances are expected to be mutated, and
 * so are not useful as collection keys.
 *

            "No process is on the other end of the pipe.", "More data is available.", "This user account has expired.",
            "The user is not allowed to log on from this workstation.", "The user is not allowed to log on at this time.",
            "The password of this user has expired.", };

            "No process is on the other end of the pipe.", "More data is available.", "This user account has expired.",
            "The user is not allowed to log on from this workstation.", "The user is not allowed to log on at this time.",
            "The password of this user has expired.", };

    Collection<V> values = multimap().get(k3());
    if (values.size() == 0) {
      expectUnchanged();
      // Be extra thorough in case internal state was corrupted by the expected null.
      assertEquals(new ArrayList<>(), new ArrayList<>(values));
      assertEquals(size, multimap().size());
    } else {
      assertEquals(newArrayList(v3()), new ArrayList<>(values));

// an operation, or provided to create a function.
// When executing an operation in an eager context, the expected number of
// outputs must be set beforehand with `TF_OutputListSetNumOutputs`.
typedef struct TF_OutputList TF_OutputList;
TF_OutputList* TF_NewOutputList();
void TF_DeleteOutputList(TF_OutputList* o);
// Prepare tracing to the expected number of output for an operation.

 *  @author Victor Jonsson, http://victorjonsson.se
 *  @license MIT
 */

 *  @author Victor Jonsson, http://victorjonsson.se
 *  @license MIT
 */

                + " was thrown; expected "
                + getMessage();
        throw new AssertionError(message, exception);
      }
    }

    @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;
  }

  private static final class UnknownElementException extends RuntimeException {
    private UnknownElementException(Collection<?> expected, Object actual) {

  }

  /**
   * Creates an empty {@code HashBasedTable} with the specified map sizes.
   *
   * @param expectedRows the expected number of distinct row keys
   * @param expectedCellsPerRow the expected number of column key / value mappings in each row
   * @throws IllegalArgumentException if {@code expectedRows} or {@code expectedCellsPerRow} is
   *     negative
   */