});
    }

    /**
     * Test concurrent buffer allocation and release for thread safety.
     */
    @Test
    public void testConcurrentBufferOperations() throws Exception {
        // Given
        int threadCount = 10;
        int opsPerThread = 100;
        ExecutorService executor = Executors.newFixedThreadPool(threadCount);

      }
    } catch (e: Throwable) {
      if (KNOWN_FAILURES.contains(testData.toString())) {
        System.err.println("Ignoring known failure: $testData")
        e.printStackTrace()
      } else {
        throw e
      }
    }
  }

  private fun testHttpUrl(testData: WebPlatformUrlTestData) {
    val url =
      when (testData.base) {
        "about:blank" -> testData.input!!.toHttpUrlOrNull()

      }
    },
    KNUTH {
      @Override
      MeanAndVariance variance(double[] values, MeanAlgorithm meanAlgorithm) {
        if (meanAlgorithm != MeanAlgorithm.KNUTH) {
          throw new SkipThisScenarioException();
        }
        double mean = values[0];
        double s = 0.0;
        for (int i = 1; i < values.length; i++) {
          double nextMean = mean + (values[i] - mean) / (i + 1);

      }
    },
    KNUTH {
      @Override
      MeanAndVariance variance(double[] values, MeanAlgorithm meanAlgorithm) {
        if (meanAlgorithm != MeanAlgorithm.KNUTH) {
          throw new SkipThisScenarioException();
        }
        double mean = values[0];
        double s = 0.0;
        for (int i = 1; i < values.length; i++) {
          double nextMean = mean + (values[i] - mean) / (i + 1);

  @CollectionSize.Require(absent = ZERO)
  public void testPutIfAbsent_unsupportedPresentExistingValue() {
    try {
      assertEquals(
          "putIfAbsent(present, existingValue) should return present or throw",
          v0(),
          putIfAbsent(e0()));
    } catch (UnsupportedOperationException tolerated) {
    }
    expectUnchanged();
  }

  @MapFeature.Require(absent = SUPPORTS_PUT)

        assertEquals((byte) 0x74, msg.command, "Command should be SMB_COM_LOGOFF_ANDX");
    }

    @Test
    @DisplayName("constructor with null andx does not throw exception")
    void constructorWithNullAndxNoException() {
        // This test verifies that passing null doesn't cause any issues
        assertDoesNotThrow(() -> {

  }

  private static final Object IGNORE_ME =
      new Object() {
        @Override
        public String toString() {
          throw new AssertionFailedError();
        }
      };

  private static final String FORMAT = "I ate %s pies.";

  private static void checkMessage(Exception e) {
    assertThat(e).hasMessageThat().isEqualTo("I ate 5 pies.");

    return (Optional<T>) INSTANCE;
  }

  private Absent() {}

  @Override
  public boolean isPresent() {
    return false;
  }

  @Override
  public T get() {
    throw new IllegalStateException("Optional.get() cannot be called on an absent value");
  }

  @Override
  public T or(T defaultValue) {
    return checkNotNull(defaultValue, "use Optional.orNull() instead of Optional.or(null)");

  public UnmodifiableIterator<E> descendingIterator() {
    return forward.iterator();
  }

  @Override
  @GwtIncompatible // NavigableSet
  ImmutableSortedSet<E> createDescendingSet() {
    throw new AssertionError("should never be called");
  }

  @Override
  public @Nullable E lower(E element) {
    return forward.higher(element);
  }

  @Override
  public @Nullable E floor(E element) {

    Thread interruptee = Thread.currentThread();
    new Thread(
            () -> {
              try {
                unit.sleep(time);
              } catch (InterruptedException wontHappen) {
                throw new AssertionError(wontHappen);
              }
              interruptee.interrupt();
            })
        .start();
  }

  static void repeatedlyInterruptTestThread(TearDownAccepter tearDownAccepter) {