assertEquals(asyncId, request.getAsyncId());
        assertTrue((request.getFlags() & SMB2_FLAGS_ASYNC_COMMAND) != 0, "Async flag should be set when asyncId is non-zero");
    }

    @Test
    @DisplayName("Test constructor with zero asyncId does not set async flag")
    void testConstructorWithZeroAsyncId() {
        // Given
        long mid = 12345L;
        long asyncId = 0L;

        // When

  public Stats yStats() {
    return yStats;
  }

  /**
   * Returns the population covariance of the values. The count must be non-zero.
   *
   * <p>This is guaranteed to return zero if the dataset contains a single pair of finite values. It
   * is not guaranteed to return zero when the dataset consists of the same pair of values multiple
   * times, due to numerical errors.
   *
   * <h3>Non-finite values</h3>
   *

  @CollectionSize.Require(absent = CollectionSize.ZERO)
  public void testEquals_otherListContainingNull() {
    List<E> other = new ArrayList<>(getSampleElements());
    other.set(other.size() / 2, null);
    assertFalse(
        "Two Lists should not be equal if exactly one of them has null at a given index.",
        getList().equals(other));
  }

  @CollectionSize.Require(absent = CollectionSize.ZERO)

 * limitations under the License.
 */

package com.google.common.collect.testing.testers;

import static com.google.common.collect.testing.features.CollectionSize.ZERO;
import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_KEYS;
import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUES;

@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class MapIsEmptyTester<K, V> extends AbstractMapTester<K, V> {
  @CollectionSize.Require(ZERO)
  public void testIsEmpty_yes() {
    assertTrue("isEmpty() should return true", getMap().isEmpty());
  }

  @CollectionSize.Require(absent = ZERO)
  public void testIsEmpty_no() {
    assertFalse("isEmpty() should return false", getMap().isEmpty());
  }

@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class CollectionIsEmptyTester<E> extends AbstractCollectionTester<E> {
  @CollectionSize.Require(ZERO)
  public void testIsEmpty_yes() {
    assertTrue("isEmpty() should return true", collection.isEmpty());
  }

  @CollectionSize.Require(absent = ZERO)
  public void testIsEmpty_no() {
    assertFalse("isEmpty() should return false", collection.isEmpty());
  }

  @CollectionSize.Require(absent = ZERO)
  public void testAddAll_unsupportedSomePresent() {
    assertThrows(
        UnsupportedOperationException.class,
        () -> collection.addAll(MinimalCollection.of(e3(), e0())));
    expectUnchanged();
  }

  @CollectionFeature.Require({SUPPORTS_ADD, FAILS_FAST_ON_CONCURRENT_MODIFICATION})
  @CollectionSize.Require(absent = ZERO)
  public void testAddAllConcurrentWithIteration() {

      a = entries.get(0);
      if (entries.size() >= 3) {
        c = entries.get(2);
      }
    }
  }

  @CollectionSize.Require(ZERO)
  public void testEmptyMapFirst() {
    assertThrows(NoSuchElementException.class, () -> navigableMap.firstKey());
  }

  @CollectionSize.Require(ZERO)
  public void testEmptyMapLast() {
    assertThrows(NoSuchElementException.class, () -> assertNull(navigableMap.lastKey()));
  }

        }
    }

    @Test
    @DisplayName("Zero-length message is handled correctly")
    void zeroLengthMessageHandled() throws IOException {
        // Create a zero-length message followed by a normal message
        byte[] data = new byte[] { 10, 20 };
        byte[] fullData = concat(messageHeader(0), // Zero-length message
                messageHeader(2), data);

  @CollectionSize.Require(absent = ZERO)
  public void testClearPropagatesToGet() {
    for (K key : sampleKeys()) {
      resetContainer();
      Collection<V> collection = multimap().get(key);
      multimap().clear();
      assertEmpty(collection);
    }
  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  @CollectionSize.Require(absent = ZERO)
  public void testClearPropagatesToAsMapGet() {