assertThat(callableFuture).isInstanceOf(TrustedListenableFutureTask.class);
    assertTrue(callableFuture.isDone());
    assertThat(callableFuture.get()).isEqualTo("foo");

    TestRunnable runnable2 = new TestRunnable();
    ListenableFuture<Integer> runnableFuture2 = e.submit(runnable2, 3);
    assertThat(runnableFuture2).isInstanceOf(TrustedListenableFutureTask.class);

    assertEquals(-12150, in.readShort());
    assertEquals(20675, in.readUnsignedShort());
    assertEquals(0xBEBAFECA, in.readInt());
    assertEquals(0xBEBAFECAEFBEADDEL, in.readLong());
    assertThat(in.readUTF()).isEqualTo("Herby Derby");
    assertEquals(0xBEBAFECA, Float.floatToIntBits(in.readFloat()));
    assertEquals(0xBEBAFECAEFBEADDEL, Double.doubleToLongBits(in.readDouble()));
  }

    assertEquals(LIST1, ImmutableList.copyOf(newDelegatingListWithEquals(LIST1)));
  }

  public void testToString() {
    List<String> proxy = newDelegatingList(LIST1);
    assertThat(proxy.toString()).isEqualTo(Proxy.getInvocationHandler(proxy).toString());
  }

  interface A {}

  interface B {}

  public void testEquals() {
    new EqualsTester()
        .addEqualityGroup(newDelegatingList(LIST1))

    assertEquals(-12150, in.readShort());
    assertEquals(20675, in.readUnsignedShort());
    assertEquals(0xBEBAFECA, in.readInt());
    assertEquals(0xBEBAFECAEFBEADDEL, in.readLong());
    assertThat(in.readUTF()).isEqualTo("Herby Derby");
    assertEquals(0xBEBAFECA, Float.floatToIntBits(in.readFloat()));
    assertEquals(0xBEBAFECAEFBEADDEL, Double.doubleToLongBits(in.readDouble()));
  }

    // Known output from Python smhasher
    HashCode foxHash =
        murmur3_128(0).hashString("The quick brown fox jumps over the lazy dog", UTF_8);
    assertThat(foxHash.toString()).isEqualTo("6c1b07bc7bbc4be347939ac4a93c437a");
  }

  private static void assertHash(int seed, long expected1, long expected2, String stringInput) {
    HashCode expected = toHashCode(expected1, expected2);

                  "%s.%s() must return an array of %s.",
                  annotationClass, propertyName, annotationClass.getDeclaringClass()))
          .that(returnType.getComponentType())
          .isEqualTo(annotationClass.getDeclaringClass());
    }
  }

  // This is public so that tests for Feature enums we haven't yet imagined
  // can reuse it.
  public static <E extends Enum<?> & Feature<?>> void assertGoodFeatureEnum(

  }

  public void testSimpleRateUpdate() {
    RateLimiter limiter = RateLimiter.create(5.0, 5, SECONDS);
    assertThat(limiter.getRate()).isEqualTo(5.0);
    limiter.setRate(10.0);
    assertThat(limiter.getRate()).isEqualTo(10.0);

    assertThrows(IllegalArgumentException.class, () -> limiter.setRate(0.0));
    assertThrows(IllegalArgumentException.class, () -> limiter.setRate(-10.0));

  }

  public void testSimpleRateUpdate() {
    RateLimiter limiter = RateLimiter.create(5.0, 5, SECONDS);
    assertThat(limiter.getRate()).isEqualTo(5.0);
    limiter.setRate(10.0);
    assertThat(limiter.getRate()).isEqualTo(10.0);

    assertThrows(IllegalArgumentException.class, () -> limiter.setRate(0.0));
    assertThrows(IllegalArgumentException.class, () -> limiter.setRate(-10.0));

    assertFalse(task.isCancelled());
    ExecutionException executionException =
        assertThrows(ExecutionException.class, () -> getDone(task));
    assertThat(executionException).hasCauseThat().isEqualTo(e);
  }

  @J2ktIncompatible
  @GwtIncompatible // blocking wait
  public void testCancel_interrupted() throws Exception {
    AtomicBoolean interruptedExceptionThrown = new AtomicBoolean();

  public <T> void testToString() {
    assertThat(new TypeToken<String>() {}.toString()).isEqualTo(String.class.getName());
    assertThat(TypeToken.of(new TypeCapture<T>() {}.capture()).toString()).isEqualTo("T");
    assertThat(new Entry<String, Integer>() {}.keyType().toString()).isEqualTo("java.lang.String");
  }

  private static <K, V> TypeToken<Map<K, V>> mapOf(Class<K> keyType, Class<V> valueType) {