* - Non-NT small code to exercise default mapping to NT_STATUS_UNSUCCESSFUL
     */
    static Stream<Arguments> intErrorCodes() {
        return Stream.of(Arguments.of(NtStatus.NT_STATUS_ACCESS_DENIED, NtStatus.NT_STATUS_ACCESS_DENIED),
                Arguments.of(NtStatus.NT_STATUS_SUCCESS, NtStatus.NT_STATUS_SUCCESS),
                Arguments.of(0x00001234, NtStatus.NT_STATUS_UNSUCCESSFUL));
    }

    @ParameterizedTest

    }

    SmbException(final String msg) {
        super(msg);
        status = NT_STATUS_UNSUCCESSFUL;
    }

    SmbException(final String msg, final Throwable rootCause) {
        super(msg);
        this.rootCause = rootCause;
        status = NT_STATUS_UNSUCCESSFUL;
    }

    /**
     * Constructs an SmbException with an error code.
     *

            new LsaPolicyHandle(mockDcerpcHandle, server, access);
        });

        // The error code gets mapped to NT_STATUS_UNSUCCESSFUL because it's not a valid NT status code
        assertEquals(0xC0000001, thrown.getNtStatus()); // NT_STATUS_UNSUCCESSFUL
        verify(mockDcerpcHandle, times(1)).sendrecv(any(MsrpcLsarOpenPolicy2.class));
    }

    @Test

    /**
     * Verify that the string-ctor sets status to {@code NT_STATUS_UNSUCCESSFUL}.
     */
    @Test
    @DisplayName("String constructor sets NT_STATUS_UNSUCCESSFUL status")
    void testStringConstructor() {
        SmbException ex = new SmbException("custom message");
        assertEquals("custom message", ex.getMessage());
        assertEquals(NtStatus.NT_STATUS_UNSUCCESSFUL, ex.getNtStatus());
    }

    /**

        SmbException thrown = assertThrows(SmbException.class, handle::close);

        // SmbException constructor maps non-NT status codes to NT_STATUS_UNSUCCESSFUL
        assertEquals(0xC0000001, thrown.getNtStatus()); // NT_STATUS_UNSUCCESSFUL
        verify(mockHandle, times(1)).sendrecv(any(MsrpcSamrCloseHandle.class));
    }

            assertEquals(msg, ex.getMessage(), "Message should be stored as provided");
        }
        assertNull(ex.getCause(), "Cause should be null for message-only ctor");
        assertEquals(NtStatus.NT_STATUS_UNSUCCESSFUL, ex.getNtStatus(), "Status should default to unsuccessful for message ctor");
    }

    // Happy path: message + cause constructor should chain cause and set unsuccessful status
    @ParameterizedTest
    @NullSource

            new LsaPolicyHandle(mockDcerpcHandle, server, access);
        });

        // In smb1, non-NTSTATUS error codes get mapped to NT_STATUS_UNSUCCESSFUL (0xC0000001)
        assertEquals(0xC0000001, thrown.getNtStatus()); // NT_STATUS_UNSUCCESSFUL
        verify(mockDcerpcHandle, times(1)).sendrecv(any(MsrpcLsarOpenPolicy2.class));
    }

    @Test

            statusCode = errcode;
        } else if (dosErrorCodeStatuses.containsKey(errcode)) {
            statusCode = dosErrorCodeStatuses.get(errcode);
        } else {
            statusCode = NT_STATUS_UNSUCCESSFUL;
        }
        return statusCode;
    }

    static String getMessageByWinerrCode(final int errcode) {
        String message = winErrorCodeMessages.get(errcode);
        if (message == null) {

    int NT_STATUS_NOTIFY_ENUM_DIR = 0x0000010C;
    /** The data was too large to fit into the specified buffer */
    int NT_STATUS_BUFFER_OVERFLOW = 0x80000005;
    /** The requested operation was unsuccessful */
    int NT_STATUS_UNSUCCESSFUL = 0xC0000001;
    /** The requested operation is not implemented */
    int NT_STATUS_NOT_IMPLEMENTED = 0xC0000002;
    /** The specified information class is invalid */
    int NT_STATUS_INVALID_INFO_CLASS = 0xC0000003;

    /**
     * Provides a set of error codes covering normal, edge and unknown cases.
     */
    static Stream<Arguments> errorCodes() {
        return Stream.of(
                // Known NT status code - NT_STATUS_UNSUCCESSFUL
                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