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 };

            sd.decode(buffer, 0, buffer.length);

            if (aceCount > 0) {
                assertNotNull(sd.getAces());
                assertEquals(aceCount, sd.getAces().length);
            } else {
                // When DACL header exists with 0 ACEs, we get an empty array
                assertNotNull(sd.getAces());
                assertEquals(0, sd.getAces().length);
            }
        }
    }

        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

        int offset = 50;
        byte[] infoData = createMockFileBasicInfoBuffer();
        System.arraycopy(infoData, 0, buffer, offset, infoData.length);
        response.setDataCount(infoData.length);

        int bytesRead = response.readDataWireFormat(buffer, offset, buffer.length - offset);

        assertTrue(bytesRead > 0);
        assertNotNull(response.getInfo());
    }

        final String binaryEncoded = Base64Util.encode(binaryData);
        final byte[] binaryDecoded = Base64Util.decode(binaryEncoded);
        assertEquals("Binary data length should match", binaryData.length, binaryDecoded.length);
        for (int i = 0; i < binaryData.length; i++) {
            assertEquals("Binary data should match at position " + i, binaryData[i], binaryDecoded[i]);
        }
    }

    /**

                + (challengeBytes == null ? "null" : "<" + challengeBytes.length + " bytes>") + ",context="
                + (contextBytes == null ? "null" : "<" + contextBytes.length + " bytes>") + ",targetInformation="
                + (targetInformationBytes == null ? "null" : "<" + targetInformationBytes.length + " bytes>") + ",flags=0x"
                + jcifs.util.Hexdump.toHexString(getFlags(), 8) + "]";
    }

        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

  public final Entry<AnEnum, String>[] createArray(int length) {
    return (Entry<AnEnum, String>[]) new Entry<?, ?>[length];
  }

  @Override
  public final AnEnum[] createKeyArray(int length) {
    return new AnEnum[length];
  }

  @Override
  public final String[] createValueArray(int length) {
    return new String[length];
  }

  /** Returns the elements sorted in natural order. */
  @Override

        assertEquals(1, itemList.get(0).getInputs().length);
        assertEquals(1, itemList.get(0).getOutputs().length);
        assertEquals("a1", itemList.get(0).getInputs()[0]);
        assertEquals("A1", itemList.get(0).getOutputs()[0]);
        assertFalse(itemList.get(0).isUpdated());

        assertEquals(2, itemList.get(1).getInputs().length);
        assertEquals(1, itemList.get(1).getOutputs().length);

        byte[] smallBuffer = createValidNotificationBuffer(fileName, action);
        byte[] buffer = new byte[smallBuffer.length + offset + 50];
        System.arraycopy(smallBuffer, 0, buffer, offset, smallBuffer.length);

        int bytesRead = notifyInfo.decode(buffer, offset, smallBuffer.length);

        assertTrue(bytesRead > 0);
        assertEquals(action, notifyInfo.getAction());