}

    @ParameterizedTest
    @ValueSource(ints = { 0, 1, 10, 100, 500, 1024 })
    void testReadDataWireFormatVariousSizes(int dataSize) throws SMBProtocolDecodingException {
        // Test with various data sizes within buffer limit
        byte[] testData = new byte[dataSize];
        Arrays.fill(testData, (byte) 0xAB);
        byte[] buffer = new byte[dataSize + 100];

    @MethodSource("knownCodeMessagePairs")
    void lookup_returns_expected_message_for_known_codes(int code, String expectedMessage) {
        // Valid inputs: each known code must map to its documented message
        assertEquals(expectedMessage, lookupMessage(code).orElse(null));
    }

    @ParameterizedTest
    @ValueSource(ints = { -1, Integer.MIN_VALUE, Integer.MAX_VALUE })

        assertEquals(0, msg.getFlags(), "Initial flags should be 0");
    }

    @ParameterizedTest(name = "setFlags({0}) ➜ getFlags() == {0}")
    @ValueSource(ints = { 0x0, 0x1, 0x2, 0xFFFFFFFF, -123456 })
    void testSetAndGetFlags(int value) {
        msg.setFlags(value);
        assertEquals(value, msg.getFlags(), "getFlags should return the value set");
    }

    @Test

     * - Positive values not in DOS_ERROR_CODES map to NT_STATUS_UNSUCCESSFUL
     */
    @ParameterizedTest
    @ValueSource(ints = { 0, 1, 123, -7 })
    void testGetNtStatusVariousCodes(int errcode) {
        SmbException ex = new SmbException(errcode, false);
        int expected;
        if (errcode == 0) {
            expected = 0;
        } else if ((errcode & 0xC0000000) != 0) {

    }

    /**
     * Test that a large file lock (bit 0x10 set) is encoded and decoded correctly.
     */
    @ParameterizedTest
    @ValueSource(ints = { 0x10, 0x11 })
    void largeFileFlagSet_and_decoded_according_to_type(int type) throws Exception {
        Configuration cfg = mock(Configuration.class);
        SmbComLockingAndX cmd = new SmbComLockingAndX(cfg);
        setField(cmd, "fid", 1);

  @SuppressWarnings("JdkObsolete")
  private static Enumeration<Integer> enumerate(int... ints) {
    Vector<Integer> vector = new Vector<>(Ints.asList(ints));
    return vector.elements();
  }

  public void testToString() {
    Iterator<String> iterator = Lists.newArrayList("yam", "bam", "jam", "ham").iterator();
    assertEquals("[yam, bam, jam, ham]", Iterators.toString(iterator));
  }

        // Given
        int testType = 0x20; // Server service
        when(mockNetbiosName.getNameType()).thenReturn(testType);

        // When
        int nameType = mockNetbiosName.getNameType();

        // Then
        assertEquals(testType, nameType);
        verify(mockNetbiosName).getNameType();
    }

    @ParameterizedTest
    @ValueSource(ints = { 0x00, 0x03, 0x06, 0x1B, 0x1C, 0x1D, 0x1E, 0x20 })

    class ConstructorTests {

        @ParameterizedTest
        @DisplayName("Should mask input values with 0xFF correctly")
        @ValueSource(ints = { 0, 1, 127, 128, 255, 256, -1, -128, -255, -256, 32767, -32768, 65535, 65536 })
        void testConstructorMasking(int inputValue) {
            // Given: An input value
            // When: Creating NdrShort with that value
            NdrShort ndrShort = new NdrShort(inputValue);

    }

    // Parameterized: exercise small variations of cache size for a simple reuse cycle
    @ParameterizedTest
    @ValueSource(ints = { 1, 2 })
    @DisplayName("Parameterized: buffer reuse works for various small cache sizes")
    void reuseWorksForVariousCacheSizes(int cacheSize) {
        BufferCacheImpl impl = new BufferCacheImpl(cacheSize, 6);
        byte[] toRelease = new byte[5];
        toRelease[0] = 42;

    int last = 0;
    for (int shards = 2; shards <= MAX_SHARDS; shards++) {
      int chosen = Hashing.consistentHash(h, shards);
      if (chosen != last) {
        map.incrementAndGet(shards);
        last = chosen;
      }
    }
  }

  private static final int ITERS = 10000;
  private static final int MAX_SHARDS = 500;