return time.Unix(secs, 0), nil // No sub-second values
	}

	// Parse the nanoseconds.
	// Initialize an array with '0's to handle right padding automatically.
	nanoDigits := [maxNanoSecondDigits]byte{'0', '0', '0', '0', '0', '0', '0', '0', '0'}
	for i := range len(sn) {
		switch c := sn[i]; {
		case c < '0' || c > '9':
			return time.Time{}, ErrHeader
		case i < len(nanoDigits):
			nanoDigits[i] = c
		}
	}

		{+1, +0e0 - 0e0, "1"},
		{+1, +1e6 - 0e0, "1.001"},
		{+1, +1e3 - 0e0, "1.000001"},
		{+1, +1e0 - 0e0, "1.000000001"},
		{0, 1e9 - 1e0, "0.999999999"},
		{0, 1e9 - 1e3, "0.999999"},
		{0, 1e9 - 1e6, "0.999"},
		{0, 0e0, "0"},
		{0, 1e6 + 0e0, "0.001"},
		{0, 1e3 + 0e0, "0.000001"},
		{0, 1e0 + 0e0, "0.000000001"},
		{-1, -1e9 + 1e0, "-1.999999999"},
		{-1, -1e9 + 1e3, "-1.999999"},
		{-1, -1e9 + 1e6, "-1.999"},

    /**
     * Permission to write extended attributes
     */
    int FILE_WRITE_EA = 0x00000010; // 5
    /**
     * Permission to execute a file or traverse a directory
     */
    int FILE_EXECUTE = 0x00000020; // 6
    /**
     * Permission to delete a file or directory
     */
    int FILE_DELETE = 0x00000040; // 7
    /**
     * Permission to read file attributes
     */

                Arguments.of(0xC0000001, "A device attached to the system is not functioning."),
                Arguments.of(0x00000000, "NT_STATUS_SUCCESS"),
                // An error that maps via DOS mapping
                Arguments.of(0x00000002, SmbException.getMessageByCode(0x00000002)),
                // Unknown code → hex string (uppercase)
                Arguments.of(0xDEADBEEF, "0xDEADBEEF"));
    }

    /** Permission to write extended attributes */
    public static final int FILE_WRITE_EA = 0x00000010; // 5
    /** Permission to execute a file or traverse a directory */
    public static final int FILE_EXECUTE = 0x00000020; // 6
    /** Permission to delete a file or directory */
    public static final int FILE_DELETE = 0x00000040; // 7
    /** Permission to read file attributes */

        assertEquals(0x08, ace.getFlags());
        assertEquals(0x00000001, ace.getAccessMask());
    }

    @ParameterizedTest
    @DisplayName("Test various access mask values")
    @ValueSource(ints = { 0x00000001, // FILE_READ_DATA
            0x00000002, // FILE_WRITE_DATA
            0x00000004, // FILE_APPEND_DATA
            0x00010000, // DELETE
            0x00020000, // READ_CONTROL
            0x00040000, // WRITE_DAC

    private static final int OWNER_SECURITY_INFORMATION = 0x00000001;
    private static final int GROUP_SECURITY_INFORMATION = 0x00000002;
    private static final int DACL_SECURITY_INFORMATION = 0x00000004;
    private static final int SACL_SECURITY_INFORMATION = 0x00000008;
    private static final int ALL_SECURITY_INFORMATION = 0x0000000F;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);

        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;

    /**
     * Indicates that the NTLM version is included in the message.
     */
    int NTLMSSP_NEGOTIATE_VERSION = 0x2000000;

    /**
     * Indicates that 128-bit encryption is supported.
     */
    int NTLMSSP_NEGOTIATE_128 = 0x20000000;

    /**
     * Request explicit key exchange
     */
    int NTLMSSP_NEGOTIATE_KEY_EXCH = 0x40000000;

    /**