assertEquals(SmbComTransaction.TRANSACTION_BUF_SIZE, buffer.length, "Buffer should have TRANSACTION_BUF_SIZE");

        // The validation in getBuffer() ensures size is within bounds (0 < size <= 1MB)
        assertTrue(buffer.length > 0, "Buffer size should be positive");
        assertTrue(buffer.length <= 0x100000, "Buffer size should not exceed 1MB");
    }

    /**

        byte[] data = new byte[] { 0x01, 0x02, 0x03, 0x04 };

        assertDoesNotThrow(() -> digest.update(data, 0, data.length));
    }

    @Test
    @DisplayName("Test update method with zero length")
    void testUpdateWithZeroLength() {
        SMB1SigningDigest digest = new SMB1SigningDigest(testMacSigningKey);
        byte[] data = new byte[] { 0x01, 0x02, 0x03, 0x04 };

        String[] result = JvmUtil.filterJvmOptions(new String[0]);
        assertEquals(0, result.length);
    }

    public void test_filterJvmOptions_singleElement() {
        System.setProperty("java.version", "11.0.1");

        String[] result = JvmUtil.filterJvmOptions(new String[] { "-Xmx1g" });
        assertEquals(1, result.length);
        assertEquals("-Xmx1g", result[0]);

        assertEquals(0, tags.length);

        // Test null
        tags = PrunedTag.parse(null);
        assertEquals(0, tags.length);

        // Test whitespace only
        tags = PrunedTag.parse("   ");
        assertEquals(0, tags.length);

        // Test commas only
        tags = PrunedTag.parse(",,,");
        assertEquals(0, tags.length);

        // Test mixed whitespace and commas

        assertTrue(DosError.DOS_ERROR_CODES.length > 0, "DOS_ERROR_CODES should contain at least one mapping");
    }

    @Test
    @DisplayName("Each error code mapping contains exactly two ints")
    void testEachPairLength() {
        for (int i = 0; i < DosError.DOS_ERROR_CODES.length; i++) {
            int[] pair = DosError.DOS_ERROR_CODES[i];

        assertNotNull(response);
        assertEquals(24, response.length);
    }

    // Test getNTLMResponse
    @Test
    void testGetNTLMResponse() {
        byte[] challenge = { 1, 2, 3, 4, 5, 6, 7, 8 };
        byte[] response = NtlmPasswordAuthentication.getNTLMResponse("password", challenge);
        assertNotNull(response);
        assertEquals(24, response.length);
    }

    // Test getLMv2Response
    @Test

        assertNotNull(entries1);
        assertNotNull(entries2);
        assertNotNull(entries3);

        assertEquals(entries1.length, entries2.length);
        assertEquals(entries2.length, entries3.length);

        for (int i = 0; i < entries1.length; i++) {
            assertEquals(entries1[i].getName(), entries2[i].getName());
            assertEquals(entries2[i].getName(), entries3[i].getName());

        assertEquals(3, permissions.length);
        assertEquals("Rgroup1", permissions[0]);
        assertEquals("Rgroup2", permissions[1]);
        assertEquals("Utestuser", permissions[2]);

        // Verify callback was called
        assertTrue(activityHelperCalled.get());
        assertNotNull(rolesFromCallback.get());
        assertEquals(2, rolesFromCallback.get().length);

        this.offset = offset;
        this.length = length;
        this.flags = flags;

    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Encodable#size()
     */
    @Override
    public int size() {
        return 24;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Encodable#encode(byte[], int)
     */

                for (int i = 0; i < newValues.length; i++) {
                    values[values.length - 1 + i] = newValues[i];
                }
                dataMap.put(key, values);
            } else {
                final Object[] values = Arrays.copyOf(oldValues, oldValues.length + 1);
                values[values.length - 1] = value;