// elements already available (e.g. LinkedBlockingQueue#drainTo locks only once)
      added += q.drainTo(buffer, numElements - added);
      if (added < numElements) { // not enough elements immediately available; will have to poll
        E e = q.poll(deadline - System.nanoTime(), NANOSECONDS);
        if (e == null) {
          break; // we already waited enough, and there are no more elements in sight
        }

    }

    // ========== Thread Safety Tests ==========

    /**
     * Test that the volatile alive field is visible across threads.
     * One thread sets alive to false, other threads should see the change immediately.
     */
    @Test
    public void test_aliveField_volatileVisibility() throws Exception {
        // Ensure alive starts as true
        assertTrue(dataStore.alive);

        final int readerThreadCount = 5;

          throw t;
        }
      }
      return;
    }

    /*
     * This is an unsynchronized read! After the read, the function returns immediately or acquires
     * the lock to check again. Since an IDLE state was observed inside the preceding synchronized
     * block, and reference field assignment is atomic, this may save reacquiring the lock when

        assertTrue(it.hasNext());
        assertEquals("x", it.next().getName());
    }

    @Test
    @DisplayName("Empty initial results with end-of-search -> closes immediately")
    void emptyInitialResultsEndOfSearchCloses() throws Exception {
        when(tree.send(any(Trans2FindFirst2.class), any(Trans2FindFirst2Response.class))).thenAnswer((InvocationOnMock inv) -> {

        assertFalse(cos.done);
        assertFalse(cos.getFile().exists());
    }

    @Test
    public void testThresholdZero() throws IOException {
        // With threshold 0, everything should go to file immediately
        ContentOutputStream cos = new ContentOutputStream(0, Curl.tmpDir);
        cos.write(new byte[] { 1 });
        assertFalse(cos.done);
        assertFalse(cos.isInMemory());
        File file = cos.getFile();

 * Returns true if new reads and writes should be attempted on this.
 *
 * Unfortunately Java's networking APIs don't offer a good health check, so we go on our own by
 * attempting to read with a short timeout. If the fails immediately we know the socket is
 * unhealthy.
 *
 * @param source the source used to read bytes from the socket.
 */
internal fun Socket.isHealthy(source: BufferedSource): Boolean =
  try {

   * executor. Each event can be added and dispatched as separate phases.
   *
   * <p>This class is very similar to {@link SequentialExecutor} with the exception that events can
   * be added without necessarily executing immediately.
   */
  private static final class PerListenerQueue<L> implements Runnable {
    final L listener;
    final Executor executor;

    @GuardedBy("this")

import jcifs.SmbResource;

/**
 * Tests for {@link DirFileEntryAdapterIterator}.
 *
 * This test class verifies the basic functionality of DirFileEntryAdapterIterator.
 * Due to the iterator's constructor calling advance() immediately, which requires
 * the adapt() method to be functional, we test the behavior using simple mock
 * scenarios that don't require complex filter setups.
 */
@ExtendWith(MockitoExtension.class)

  // Views

  /**
   * Returns the set of distinct elements contained in this multiset. The element set is backed by
   * the same data as the multiset, so any change to either is immediately reflected in the other.
   * The order of the elements in the element set is unspecified.
   *
   * <p>If the element set supports any removal operations, these necessarily cause <b>all</b>

        try {
            String result = purgeDocJob.execute();
            // The job should handle the exception internally but since QueryBuilders.rangeQuery
            // throws immediately with empty field name, we need to catch it here
            fail("Expected an exception for empty field name");
        } catch (IllegalArgumentException e) {
            // Expected exception for empty field name