* SMB2 File Action constants
     */
    private static final int FILE_ACTION_ADDED = 0x00000001;
    private static final int FILE_ACTION_REMOVED = 0x00000002;
    private static final int FILE_ACTION_MODIFIED = 0x00000003;
    private static final int FILE_ACTION_RENAMED_OLD_NAME = 0x00000004;
    private static final int FILE_ACTION_RENAMED_NEW_NAME = 0x00000005;

    /**
     * SMB2 File Notify Change constants
     */

        // Test with different access masks
        int[] accessMasks = { 0x00000001, // SAM_SERVER_CONNECT
                0x00000002, // SAM_SERVER_SHUTDOWN
                0x00000004, // SAM_SERVER_INITIALIZE
                0x00000008, // SAM_SERVER_CREATE_DOMAIN
                0x00000010, // SAM_SERVER_ENUMERATE_DOMAINS
                0x00000020, // SAM_SERVER_LOOKUP_DOMAIN
                0x000F003F, // SAM_SERVER_ALL_ACCESS

        assertTrue(str.endsWith("]"));
    }

    @ParameterizedTest
    @DisplayName("Test toString with various type values")
    @ValueSource(ints = { 0x00000000, 0x00000001, 0x00000003, 0x80000000, 0x80000001, 0xFFFFFFFF })
    void testToStringWithVariousTypes(int type) {
        SmbShareInfo info = new SmbShareInfo(TEST_NET_NAME, type, TEST_REMARK);
        String str = info.toString();

    private byte[] contextHandle;

    // Registration flags
    /** No special registration flags */
    public static final int WITNESS_REGISTER_NONE = 0x00000000;
    /** Register for IP address change notifications */
    public static final int WITNESS_REGISTER_IP_NOTIFICATION = 0x00000001;

    // Registration state
    private volatile WitnessRegistrationState state;
    private volatile long lastHeartbeat;

        assertEquals(domain.toUpperCase(), writtenDomain);
    }

    @ParameterizedTest
    @DisplayName("Test writeParametersWireFormat with various server types")
    @ValueSource(ints = { 0x00000000, 0x00000001, 0x00000801, 0x80000000, 0xFFFFFFFF })
    void testWriteParametersWireFormatVariousServerTypes(int serverType) {
        String domain = "DOMAIN";
        netServerEnum2 = new NetServerEnum2(realConfig, domain, serverType);

[2020-01-01 00:00:00] >> 0x00000000     6 SETTINGS
[2020-01-01 00:00:00] >> 0x00000000     4 WINDOW_UPDATE
[2020-01-01 00:00:00] >> 0x00000003    47 HEADERS       END_STREAM|END_HEADERS
[2020-01-01 00:00:00] << 0x00000000     6 SETTINGS
[2020-01-01 00:00:00] << 0x00000000     0 SETTINGS      ACK
[2020-01-01 00:00:00] << 0x00000000     4 WINDOW_UPDATE
[2020-01-01 00:00:00] >> 0x00000000     0 SETTINGS      ACK

    assertThat(frameLog(false, 0, 0, TYPE_SETTINGS, FLAG_ACK))
      .isEqualTo(">> 0x00000000     0 SETTINGS      ACK")
    assertThat(frameLog(true, 0, 0, TYPE_SETTINGS, FLAG_ACK))
      .isEqualTo("<< 0x00000000     0 SETTINGS      ACK")
    assertThat(frameLog(true, 3, 22, TYPE_HEADERS, FLAG_END_HEADERS))
      .isEqualTo("<< 0x00000003    22 HEADERS       END_HEADERS")

        return -1;
    }

    // Provide a handful of representative mappings present in the table.
    static Stream<Arguments> knownMappings() {
        return Stream.of(Arguments.of(0x00000000, 0x00000000), Arguments.of(0x00020001, 0xc000000f), Arguments.of(0x00050001, 0xc0000022),
                Arguments.of(0x00500001, 0xc0000035), Arguments.of(0x007b0001, 0xc0000033), Arguments.of(0x00320001, 0xC00000BB));
    }

    @ParameterizedTest

            System.arraycopy(buffer, tokenOffset, actualToken, 0, tokenSize);
            assertArrayEquals(token, actualToken);
        }
    }

    @ParameterizedTest
    @CsvSource({ "0x00, 0x00000000", "0x01, 0x00000001", "0x03, 0x0000000F", "0xFF, 0x7FFFFFFF" })
    @DisplayName("Should handle various security modes and capabilities")
    void testVariousSecurityModesAndCapabilities(String securityModeHex, String capabilitiesHex) throws Exception {

        @DisplayName("Should preserve other flags when setting signed flag")
        void testSignPreservesOtherFlags() {
            // Set initial flags with some existing flags
            int initialFlags = 0x00000001 | 0x00000002 | 0x00000004;
            SMBUtil.writeInt4(initialFlags, data, 16);

            digest.sign(data, 0, data.length, request, response);

            int flags = SMBUtil.readInt4(data, 16);