assertThrows(SmbAuthException.class, () -> ctx.initSecContext(new byte[] {}, 0, 0));
    }

    @Test
    @DisplayName("searchSessionKey returns null when Subject has no tickets")
    void searchSessionKey_emptySubject() throws Exception {
        // Arrange GSS context so method can run without NPE
        GSSName src = mock(GSSName.class);
        GSSName targ = mock(GSSName.class);

	j := jwt.NewWithClaims(jwt.SigningMethodHS512, claims)
	tk, _ := j.SignedString([]byte("HelloSecret"))
	return tk
}

func standardClaimsToken(claims *StandardClaims) string {
	claims.AccessKey = "test"
	claims.Subject = "test"
	j := jwt.NewWithClaims(jwt.SigningMethodHS512, claims)
	tk, _ := j.SignedString([]byte("HelloSecret"))
	return tk
}

func TestParserParse(t *testing.T) {
	// Iterate over test data set and run tests

    for (int i = numberOfThreads; i > 0; i--) {
      @SuppressWarnings("unused") // https://errorprone.info/bugpattern/FutureReturnValueIgnored
      Future<?> possiblyIgnoredError =
          executorService.submit(
              new Callable<@Nullable Void>() {
                @Override
                public @Nullable Void call() throws Exception {
                  startLatch.countDown();
                  startLatch.await();

    ImmutableList<String> keys = ImmutableList.of("a", "b", "c");
    try {
      List<Future<int[]>> futures = newArrayListWithExpectedSize(nTasks);
      for (int i = 0; i < nTasks; i++) {
        futures.add(pool.submit(new MutateTask(multiset, keys)));
      }

      int[] deltas = new int[3];
      for (Future<int[]> future : futures) {
        int[] taskDeltas = future.get();
        for (int i = 0; i < deltas.length; i++) {

        CountDownLatch latch = new CountDownLatch(numThreads);
        AtomicReference<Exception> exception = new AtomicReference<>();

        for (int i = 0; i < numThreads; i++) {
            executor.submit(() -> {
                try {
                    for (int j = 0; j < numIterations; j++) {
                        // Simulate concurrent access to weight calculation

        ExecutorService executor = Executors.newFixedThreadPool(threadCount);

        for (int i = 0; i < threadCount; i++) {
            final int threadId = i;
            executor.submit(new Runnable() {
                @Override
                public void run() {
                    try {
                        startLatch.await();
                        for (int j = 0; j < operationsPerThread; j++) {

    for (int i = numberOfThreads; i > 0; i--) {
      @SuppressWarnings("unused") // https://errorprone.info/bugpattern/FutureReturnValueIgnored
      Future<?> possiblyIgnoredError =
          executorService.submit(
              new Callable<@Nullable Void>() {
                @Override
                public @Nullable Void call() throws Exception {
                  startLatch.countDown();
                  startLatch.await();

        List<Exception> exceptions = new ArrayList<>();

        // When - Multiple threads get and release buffers
        for (int t = 0; t < threadCount; t++) {
            executor.submit(() -> {
                try {
                    startLatch.await();

                    for (int i = 0; i < opsPerThread; i++) {
                        // Get buffer

        () -> collection.removeAll(MinimalCollection.of(e0())));
    expectUnchanged();
    assertTrue(collection.contains(e0()));
  }

  /*
   * AbstractCollection fails the removeAll(null) test when the subject
   * collection is empty, but we'd still like to test removeAll(null) when we
   * can. We split the test into empty and non-empty cases. This allows us to
   * suppress only the former.
   */

    assertFalse(future.isDone());
    assertFalse(future.isCancelled());

    ExecutorService executor = newSingleThreadExecutor();

    try {
      Future<Boolean> getResult = executor.submit(() -> future.get());

      // Release the future value.
      latch.countDown();

      assertTrue(getResult.get(10, SECONDS));
    } finally {
      executor.shutdownNow();
    }