return new byte[0];
        }
    }

    private Dummy msg;

    @BeforeEach
    void setUp() {
        msg = new Dummy();
    }

    // ---------------- Flag manipulation tests -----------------
    @Test
    @DisplayName("Default flag value is zero")
    void testDefaultFlags() {
        assertEquals(0, msg.getFlags(), "Initial flags should be 0");
    }

            .createTestSuite());
    return suite;
  }

  public void testBuilderWithExpectedKeysNegative() {
    assertThrows(
        IllegalArgumentException.class, () -> ImmutableSetMultimap.builderWithExpectedKeys(-1));
  }

  public void testBuilderWithExpectedKeysZero() {
    ImmutableSetMultimap.Builder<String, String> builder =

    @Test
    @DisplayName("Close delegates to underlying stream")
    void closeDelegatesToUnderlyingStream(@Mock InputStream mockIn) throws IOException {
        SocketInputStream sis = new SocketInputStream(mockIn);
        sis.close();
        verify(mockIn).close();
    }

    @Test
    @DisplayName("Read array delegates to read with offset and length")
    void readArrayDelegatesToReadWithOffsetAndLength() throws IOException {

  @CollectionFeature.Require(SUPPORTS_ITERATOR_REMOVE)
  public void testEntrySetIteratorRemove() {
    Set<Entry<K, V>> entrySet = getMap().entrySet();
    Iterator<Entry<K, V>> entryItr = entrySet.iterator();
    assertEquals(e0(), entryItr.next());
    entryItr.remove();
    assertTrue(getMap().isEmpty());
    assertFalse(entrySet.contains(e0()));
  }

  public void testContainsEntryWithIncomparableKey() {
    try {

  }

  public void testIllegalCreate() {
    Collection<Color> empty = EnumSet.noneOf(Color.class);
    assertThrows(IllegalArgumentException.class, () -> EnumMultiset.create(empty));
  }

  public void testCreateEmptyWithClass() {
    Multiset<Color> ms = EnumMultiset.create(ImmutableList.<Color>of(), Color.class);
    ms.add(Color.RED);
  }

  public void testCreateEmptyWithoutClassFails() {

  @CollectionFeature.Require(SUPPORTS_ITERATOR_REMOVE)
  public void testEntrySetIteratorRemove() {
    Set<Entry<K, V>> entrySet = getMap().entrySet();
    Iterator<Entry<K, V>> entryItr = entrySet.iterator();
    assertEquals(e0(), entryItr.next());
    entryItr.remove();
    assertTrue(getMap().isEmpty());
    assertFalse(entrySet.contains(e0()));
  }

  public void testContainsEntryWithIncomparableKey() {
    try {

    }

    public void test_constructorWithNullMessage() {
        // Test constructor with null message
        SearchQueryException exception = new SearchQueryException((String) null);

        assertNull(exception.getMessage());
        assertNull(exception.getCause());
        assertTrue(exception instanceof FessSystemException);
    }

    public void test_constructorWithNullCause() {

  private static final String E21 = "2-1";
  private static final String E13 = "1-3";
  private static final String E44 = "4-4";

  // Test for EndpointPair class

  @Test
  public void testOrderedEndpointPair() {
    EndpointPair<String> ordered = EndpointPair.ordered("source", "target");
    assertThat(ordered.isOrdered()).isTrue();
    assertThat(ordered).containsExactly("source", "target").inOrder();

  }

  public void testInsertionOrder() {
    BiMap<String, Integer> map = HashBiMap.create();
    map.put("foo", 1);
    map.put("bar", 2);
    map.put("quux", 3);
    assertThat(map.entrySet())
        .containsExactly(
            immutableEntry("foo", 1), immutableEntry("bar", 2), immutableEntry("quux", 3))
        .inOrder();
  }

  public void testInsertionOrderAfterRemoveFirst() {

        };
    }

    private RankFusionSearcher rankFusionSearcher;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        // Create a concrete implementation for testing
        rankFusionSearcher = new TestRankFusionSearcher();
    }

    public void test_getName_defaultBehavior() {
        // Test that getName() properly converts class name to lowercase without "Searcher" suffix