@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 })

        deskey(key, false, decryptKeys);
    }

    // Turn an 8-byte key into internal keys.
    private void deskey(final byte[] keyBlock, final boolean encrypting, final int[] KnL) {

        int i, j, l, m, n;
        final int[] pc1m = new int[56];
        final int[] pcr = new int[56];
        final int[] kn = new int[32];

        for (j = 0; j < 56; ++j) {
            l = pc1[j];
            m = l & 07;

        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

    }

    // 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 written = trans2QueryPathInfo.writeParametersWireFormat(buffer, 0);

        // Should handle Unicode characters
        assertTrue(written > 6);

        // Check information level
        int actualInfoLevel = SMBUtil.readInt2(buffer, 0);
        assertEquals(0x0101, actualInfoLevel);
    }

    @ParameterizedTest
    @ValueSource(ints = { -1, 0, 100, 255, Integer.MAX_VALUE })

   *
   * @param dividend the dividend (numerator)
   * @param divisor the divisor (denominator)
   * @throws ArithmeticException if divisor is 0
   */
  public static int remainder(int dividend, int divisor) {
    return (int) (toLong(dividend) % toLong(divisor));
  }

  /**
   * Returns the unsigned {@code int} value represented by the given string.
   *

    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);

    }

    /**
     * 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);

        @ValueSource(ints = { 0, 1, 15, 127, 255 })
        void testVariousPadding(int padding) {
            assertDoesNotThrow(() -> request.setPadding((byte) padding));
        }

        @ParameterizedTest
        @DisplayName("Should handle various read lengths")
        @ValueSource(ints = { 0, 1, 512, 1024, 4096, 65536, 1048576 })
        void testVariousReadLengths(int length) {

                    ACE.GENERIC_READ };

            int[] flagConstants = { ACE.FLAGS_OBJECT_INHERIT, ACE.FLAGS_CONTAINER_INHERIT, ACE.FLAGS_NO_PROPAGATE, ACE.FLAGS_INHERIT_ONLY,
                    ACE.FLAGS_INHERITED };

            // Check access constants are unique
            for (int i = 0; i < accessConstants.length; i++) {
                for (int j = i + 1; j < accessConstants.length; j++) {