assertFalse(UniAddress.isAllDigits(nonNumeric));
    }

    @Test
    void isAllDigitsHandlesEmptyString() {
        // Empty string technically has no non-digit characters, so it returns true
        assertTrue(UniAddress.isAllDigits(""), "isAllDigits should return true for empty string (no non-digits)");
    }

    /* ---------------------------------------------------------------------

        String filename = "\\\\server\\share\\file.txt";

        // When
        trans2GetDfsReferral = new Trans2GetDfsReferral(mockConfig, filename);

        // Then
        // These fields are protected in parent class, so we can't access them directly
        // We verify the object was created successfully instead
        assertNotNull(trans2GetDfsReferral);

        // Verify that request buffer was created with correct parameters

    }

    @Test
    @DisplayName("Test hasMoreElements becomes false when all data is sent")
    void testHasMoreElementsBecomeFalse() {
        // Set small amounts so everything fits in one message
        transaction.setParameterBytesWritten(10);
        transaction.setDataBytesWritten(10);

        // First call processes all data
        transaction.nextElement();

                throw new SmbException("Context disposal failed", e);
            }
        }
    }

    /*
     * Prepare reflective access to ExtendedGSSContext. The reflective access
     * abstracts the access so far, that Oracle JDK, Open JDK and IBM JDK are
     * supported.
     *
     * At the time of the first implementation only a test on Oracle JDK was
     * done.
     */

        return this.hostName.hexCode;
    }

    /**
     * Returns a hashcode for this IP address. The hashcode comes from the IP address
     * and is not generated from the string representation. So because NetBIOS nodes
     * can have many names, all names associated with an IP will have the same
     * hashcode.
     */

    @Override
    public int hashCode() {
        return this.address;
    }

        request = new Smb2NegotiateRequest(mockConfig, 0);
        byte[] buffer = new byte[256];

        // When
        int bytesRead = request.readBytesWireFormat(buffer, 0);

        // Then - This is a request, so it doesn't read from wire
        assertEquals(0, bytesRead);
    }

    @ParameterizedTest
    @DisplayName("Should generate correct dialects for version ranges")
    @MethodSource("provideVersionRanges")

     * the root URL <code>smb://</code> is also <code>smb://</code>. If this
     * <code>SmbFile</code> refers to a workgroup, server, share, or directory,
     * the name will include a trailing slash '/' so that composing new
     * <code>SmbFile</code>s will maintain the trailing slash requirement.
     *
     * @return The last component of the URL associated with this SMB

            buf = sup.get();
        }

        // Act + Assert
        Throwable t = assertThrows(expected, () -> new MIEName(buf));
        // MIEName throws IllegalArgumentException without messages, so we don't assert on message presence
        assertNotNull(t, "Exception should be thrown");
    }

    @Nested
    @DisplayName("equals, hashCode, toString")
    class EqualityContract {

        @Test

        assertEquals(123456789, serverData.sessionKey);
        assertEquals(SmbConstants.CAP_UNICODE | SmbConstants.CAP_NT_SMBS, serverData.capabilities);
        // readInt2 returns unsigned value, so -480 becomes 65056
        assertEquals(65056, serverData.serverTimeZone);
        assertEquals(8, serverData.encryptionKeyLength);
    }

    @Test
    void testReadParameterWordsWireFormat_InvalidDialect() {

        // Verify time was read correctly (accounting for UTime conversion)
        long readTime = (Long) getFieldValue(response, "lastWriteTime");
        // UTime is seconds since 1970, so we need to compare at second precision
        assertEquals(lastWriteTime / 1000, readTime / 1000);
    }

    @Test
    void testReadParameterWordsWireFormatWithZeroWordCount() {