void gettersAndAcquire() throws Exception {
        // Arrange
        stubAcquireReturnsSelf();
        String wildcard = "*.*";
        int attrs = 123;
        FileEntry initial = entry("first");
        List<FileEntry[]> pages = List.of(new FileEntry[][] { new FileEntry[] {} });

        // Act

    }

    @Test
    public void hasMoreElements_errorCodeNonZero_returnsFalse() {
        DummyResponse d = new DummyResponse();
        d.setErrorCode(123); // non-zero error
        assertFalse(d.hasMoreElements(), "errorCode non-zero overrides hasMore flag");
    }

    @Test
    public void nextElement_firstCall_flipsIsPrimary() {

    assertThat(Chars.join(",", EMPTY)).isEmpty();
    assertThat(Chars.join(",", '1')).isEqualTo("1");
    assertThat(Chars.join(",", '1', '2')).isEqualTo("1,2");
    assertThat(Chars.join("", '1', '2', '3')).isEqualTo("123");
  }

  public void testLexicographicalComparator() {
    List<char[]> ordered =
        Arrays.asList(
            new char[] {},
            new char[] {LEAST},

    testRotate(new int[] {1, 2}, -3, new int[] {2, 1});
    testRotate(new int[] {1, 2}, -1, new int[] {2, 1});
    testRotate(new int[] {1, 2}, -2, new int[] {1, 2});
    testRotate(new int[] {1, 2}, 0, new int[] {1, 2});
    testRotate(new int[] {1, 2}, 1, new int[] {2, 1});
    testRotate(new int[] {1, 2}, 2, new int[] {1, 2});
    testRotate(new int[] {1, 2}, 3, new int[] {2, 1});

        final DeleteForm form = new DeleteForm();
        assertNull(form.q);
        assertNull(form.docId);

        form.q = "test query";
        form.docId = "doc-123";

        assertEquals("test query", form.q);
        assertEquals("doc-123", form.docId);
    }

    @Test
    public void test_listForm_defaults() {
        final ListForm form = new ListForm();
        assertNull(form.q);

    assertThat(UnsignedBytes.join(",", new byte[] {(byte) 1})).isEqualTo("1");
    assertThat(UnsignedBytes.join(",", (byte) 1, (byte) 2)).isEqualTo("1,2");
    assertThat(UnsignedBytes.join("", (byte) 1, (byte) 2, (byte) 3)).isEqualTo("123");
    assertThat(UnsignedBytes.join(",", (byte) 128, (byte) -1)).isEqualTo("128,255");
  }

  private static boolean unsafeComparatorAvailable() {
    return UnsafeComparator.INSTANCE.isFunctional();
  }

        AtomicDouble.class);
  }

  @SuppressWarnings("unchecked") // functor classes have no type parameters
  public void testGet_functors() {
    assertEquals(0, ArbitraryInstances.get(Comparator.class).compare("abc", 123));
    assertTrue(ArbitraryInstances.get(Predicate.class).apply("abc"));
    assertTrue(ArbitraryInstances.get(Equivalence.class).equivalent(1, 1));
    assertFalse(ArbitraryInstances.get(Equivalence.class).equivalent(1, 2));

  private static final String ALMOST_TOO_LONG = Strings.repeat("aaaaa.", 40) + "1234567890.c";

  private static final ImmutableSet<String> VALID_NAME =
      ImmutableSet.of(
          // keep-sorted start
          "123.cn",
          "8server.shop",
          "a" + DELTA + "b.com",
          "abc.a23",
          "biz.com.ua",
          "f--1.com",
          "f--o",
          "f-_-o.cOM",
          "f11-1.com",
          "fOo",

        assertEquals("http://proxy.example.com/file.doc", source.getUrlLink());
        assertNull(source.getGoUrl());

        source.setGoUrl("/go/?rt=123&docId=doc123&queryId=q1&order=0");
        assertEquals("/go/?rt=123&docId=doc123&queryId=q1&order=0", source.getGoUrl());
    }

    // ========== searchWithQuery with filters tests ==========

    @Test

     */
    @Test
    public void test_serializeDeserialize_map() {
        Map<String, Object> original = new HashMap<>();
        original.put("key1", "value1");
        original.put("key2", 123);
        original.put("key3", true);

        byte[] serialized = serializer.fromObjectToBinary(original);
        assertNotNull(serialized, "Serialized data should not be null");