}

  public void testNull() throws Exception {
    new NullPointerTester()
        .setDefault(CountDownLatch.class, new CountDownLatch(0))
        .setDefault(Semaphore.class, new Semaphore(999))
        .testAllPublicStaticMethods(Uninterruptibles.class);
  }

  // IncrementableCountDownLatch.await() tests

  // CountDownLatch.await() tests

  // Condition.await() tests

    public void test_get_notFound() {
        // Load data first
        protwordsFile.reload(null);

        // Test getting non-existing item
        OptionalEntity<ProtwordsItem> item = protwordsFile.get(999);
        assertFalse(item.isPresent());
    }

    public void test_get_withUnloadedData() {
        // Test getting item when data is not loaded yet
        OptionalEntity<ProtwordsItem> item = protwordsFile.get(1);

    taskFaker.runTasks()
    // Note: we don't process server frames so our client 'close' doesn't receive a server 'close'.
    assertThat(client.canceled).isFalse()

    taskFaker.advanceUntil(ns(4_999))
    assertThat(client.canceled).isFalse()

    taskFaker.advanceUntil(ns(5_000))
    assertThat(client.canceled).isTrue()

    client.processNextFrame() // This won't get a frame, but it will get a closed pipe.

    }

    public void test_get_nonExistingItem() {
        // Load test data
        loadTestData();

        OptionalEntity<StopwordsItem> result = stopwordsFile.get(999);
        assertFalse(result.isPresent());
    }

    public void test_get_withNullList() {
        // stopwordsItemList is null initially, should trigger reload

    assertThrows(IllegalArgumentException.class, () -> limiter.setRate(Double.NaN));
  }

  public void testAcquireParameterValidation() {
    RateLimiter limiter = RateLimiter.create(999);
    assertThrows(IllegalArgumentException.class, () -> limiter.acquire(0));
    assertThrows(IllegalArgumentException.class, () -> limiter.acquire(-1));
    assertThrows(IllegalArgumentException.class, () -> limiter.tryAcquire(0));

    assertThrows(IllegalArgumentException.class, () -> limiter.setRate(Double.NaN));
  }

  public void testAcquireParameterValidation() {
    RateLimiter limiter = RateLimiter.create(999);
    assertThrows(IllegalArgumentException.class, () -> limiter.acquire(0));
    assertThrows(IllegalArgumentException.class, () -> limiter.acquire(-1));
    assertThrows(IllegalArgumentException.class, () -> limiter.tryAcquire(0));

        try {
            // Test with extreme status codes
            WebApiUtil.setError(-1, "Negative status code");
            WebApiUtil.setError(0, "Zero status code");
            WebApiUtil.setError(999, "Large status code");

            // Test with very long message
            StringBuilder longMessage = new StringBuilder();
            for (int i = 0; i < 1000; i++) {

* Enforcement of fsGroup; enable ScaleIO multiple-instance volume mapping; default PVC capacity; alignment of PVC, PV, and volume names for dynamic provisioning ([#48999](https://github.com/kubernetes/kubernetes/pull/48999), [@vladimirvivien](https://github.com/vladimirvivien))

                  GNU LESSER GENERAL PUBLIC LICENSE
                       Version 2.1, February 1999

 Copyright (C) 1991, 1999 Free Software Foundation, Inc.
 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 Everyone is permitted to copy and distribute verbatim copies
 of this license document, but changing it is not allowed.

(This is the first released version of the Lesser GPL.  It also counts

                return OptionalEntity.empty();
            }
        };
        ComponentUtil.register(client, "searchEngineClient");

        final Map<String, Object> document = indexingHelper.getDocument(client, "999", new String[] { "title" });
        assertNull(document);
    }

    public void test_getDocumentListByQuery_withNullFields() {
        documentSizeByQuery = 1L;