verify(mock).consume(expectedNt);
    }

    @Test
    @DisplayName("DOS_ERROR_MESSAGES length matches expectations")
    void testMessageArrayLength() {
        assertNotNull(DosError.DOS_ERROR_MESSAGES, "DOS_ERROR_MESSAGES should be non‑null");
        assertTrue(DosError.DOS_ERROR_MESSAGES.length >= DosError.DOS_ERROR_CODES.length, "DOS_ERROR_MESSAGES should cover all codes");
    }

    }

    @Test
    @DisplayName("Messages: array is present and contains expected first entries")
    void dosErrorMessagesContainsExpectedTexts() {
        // Arrange & Act
        String[] msgs = DosError.DOS_ERROR_MESSAGES;

        // Assert
        assertNotNull(msgs);
        assertTrue(msgs.length >= 3, "Expect at least the first 3 entries present");
        assertEquals("The operation completed successfully.", msgs[0]);

                    min = mid + 1;
                } else if (errcode < DOS_ERROR_CODES[mid][0]) {
                    max = mid - 1;
                } else {
                    return DOS_ERROR_MESSAGES[mid];
                }
            }
        }

        return "0x" + Hexdump.toHexString(errcode, 8);
    }

    static int getStatusByCode(final int errcode) {

     * map to NTSTATUS codes.
     */
    /**
     * Human-readable error messages corresponding to DOS error codes.
     * Array of descriptive strings for each DOS error condition.
     */
    String[] DOS_ERROR_MESSAGES = { "The operation completed successfully.", "Incorrect function.", "Incorrect function.",
            "The system cannot find the file specified.", "Bad password.", "The system cannot find the path specified.", "reserved",

     */
    /**
     * Human-readable error messages corresponding to DOS error codes.
     * Array of descriptive strings for each DOS error condition.
     */
    String[] DOS_ERROR_MESSAGES = { "The operation completed successfully.", "Incorrect function.", "Incorrect function.",
            "The system cannot find the file specified.", "Bad password.", "The system cannot find the path specified.", "reserved",