CountDownLatch latch = new CountDownLatch(1);
    Object unused =
        new Object() {
          @SuppressWarnings({"removal", "Finalize"}) // b/260137033
          @Override
          protected void finalize() {
            latch.countDown();
          }
        };
    unused = null; // Hint to the JIT that unused is unreachable
    GcFinalization.await(latch);
    assertEquals(0, latch.getCount());
  }

    CountDownLatch latch = new CountDownLatch(1);
    Object unused =
        new Object() {
          @SuppressWarnings({"removal", "Finalize"}) // b/260137033
          @Override
          protected void finalize() {
            latch.countDown();
          }
        };
    unused = null; // Hint to the JIT that unused is unreachable
    GcFinalization.await(latch);
    assertEquals(0, latch.getCount());
  }

    assertEquals(2, factory2.newThread(monitoredRunnable).getPriority());
  }

  public void testBuildTwice() {
    ThreadFactory unused;
    unused = builder.build(); // this is allowed
    unused = builder.build(); // this is *also* allowed
  }

  public void testBuildMutate() {
    ThreadFactory factory1 = builder.setPriority(1).build();

    assertEquals(2, factory2.newThread(monitoredRunnable).getPriority());
  }

  public void testBuildTwice() {
    ThreadFactory unused;
    unused = builder.build(); // this is allowed
    unused = builder.build(); // this is *also* allowed
  }

  public void testBuildMutate() {
    ThreadFactory factory1 = builder.setPriority(1).build();

    ListeningExecutorService executor = newDirectExecutorService();
    List<Callable<T>> tasks = ImmutableList.of();
    List<? extends Future<?>> unused = executor.invokeAll(tasks);
  }

  public void testListeningDecorator() throws Exception {
    ListeningExecutorService service = listeningDecorator(newDirectExecutorService());

    ListeningExecutorService executor = newDirectExecutorService();
    List<Callable<T>> tasks = ImmutableList.of();
    List<? extends Future<?>> unused = executor.invokeAll(tasks);
  }

  public void testListeningDecorator() throws Exception {
    ListeningExecutorService service = listeningDecorator(newDirectExecutorService());

            throw new OutOfMemoryError();
          }

          @Override
          public int hashCode() {
            throw new OutOfMemoryError();
          }
        });

    String unused = future.toString();

    SettableFuture<Object> future2 = SettableFuture.create();

    // A more organic OOM from a toString implementation
    Object object =
        new Object() {
          @Override

    public NoDefaultConstructor(@SuppressWarnings("unused") int i) {}
  }

  public static class WithExceptionalConstructor {
    public static final WithExceptionalConstructor INSTANCE =
        new WithExceptionalConstructor("whatever");

    public WithExceptionalConstructor() {
      throw new RuntimeException();
    }

    private WithExceptionalConstructor(String unused) {}
  }

    // quite expensive (quadratic in the size of PSEUDORANDOM_DATASET).
    double[] dataset = Doubles.toArray(PSEUDORANDOM_DATASET);
    @SuppressWarnings("unused")
    double actual = percentiles().index(33).computeInPlace(dataset);
    assertThat(dataset).usingExactEquality().containsExactlyElementsIn(PSEUDORANDOM_DATASET);
  }

    // quite expensive (quadratic in the size of PSEUDORANDOM_DATASET).
    double[] dataset = Doubles.toArray(PSEUDORANDOM_DATASET);
    @SuppressWarnings("unused")
    double actual = percentiles().index(33).computeInPlace(dataset);
    assertThat(dataset).usingExactEquality().containsExactlyElementsIn(PSEUDORANDOM_DATASET);
  }