int ERROR_SUCCESS = 0;
    /** Access is denied */
    int ERROR_ACCESS_DENIED = 5;
    /** No more connections can be made to this remote computer */
    int ERROR_REQ_NOT_ACCEP = 71;
    /** The pipe state is invalid */
    int ERROR_BAD_PIPE = 230;
    /** All pipe instances are busy */
    int ERROR_PIPE_BUSY = 231;
    /** The pipe is being closed */
    int ERROR_NO_DATA = 232;
    /** No process is on the other end of the pipe */

    int ERROR_SUCCESS = 0;
    /** Access is denied */
    int ERROR_ACCESS_DENIED = 5;
    /** No more connections can be made to this remote computer */
    int ERROR_REQ_NOT_ACCEP = 71;
    /** The pipe state is invalid */
    int ERROR_BAD_PIPE = 230;
    /** All pipe instances are busy */
    int ERROR_PIPE_BUSY = 231;
    /** The pipe is being closed */
    int ERROR_NO_DATA = 232;
    /** No process is on the other end of the pipe */

          shift += 24;
          len += 3;
        } else {
          int codePoint = Character.codePointAt(input, i);
          if (codePoint == c) {
            // not a valid code point; let the JDK handle invalid Unicode
            return hashBytes(input.toString().getBytes(charset));
          }
          i++;
          buffer |= codePointToFourUtf8Bytes(codePoint) << shift;

            assertEquals(1024, response.getCount());
            assertEquals(512, response.getRemaining());
        }

        @Test
        @DisplayName("Should throw exception for invalid structure size")
        void testInvalidStructureSize() {
            byte[] buffer = new byte[64];
            SMBUtil.writeInt2(16, buffer, 0); // Wrong structure size (should be 17)

			t.Fatalf("expected: errFileAccessDenied error, got: %s", err)
		}
	}

	// TestXLStorage case with invalid volume name.
	// A valid volume name should be at least of size 3.
	err = xlStorage.AppendFile(t.Context(), "bn", "yes", []byte("hello, world"))
	if err != errVolumeNotFound {
		t.Fatalf("expected: \"Invalid argument error\", got: \"%s\"", err)
	}
}

// TestXLStorage xlStorage.RenameFile()

        // Test unavailable SID type (type 6 - DELETED)
        assertNull(sambaHelper.getAccountId(createMockSID(6, "Deleted Account")));

        // Test unavailable SID type (type 7 - INVALID)
        assertNull(sambaHelper.getAccountId(createMockSID(7, "Invalid Account")));
    }

    public void test_getAccountId_smb1_basic() throws SmbException {
        // Note: SMB1 SID testing is limited due to interface constraints

        if (StringUtil.isBlank(mimeType)) {
            throw new CrawlerSystemException("MIME type is a blank.");
        }
        if (maxLength < 0) {
            throw new CrawlerSystemException("The value of maxLength is invalid.");
        }
        maxLengthMap.put(mimeType, maxLength);
    }

    /**
     * Gets the maximum content length for a specific MIME type.

    public void test_constructor_withMessageAndCause() {
        // Test constructor with message and cause
        final String message = "Job processing failed";
        final Exception cause = new IllegalStateException("Invalid state");
        final JobProcessingException exception = new JobProcessingException(message, cause);

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());

    }

    @Test
    void testResolveSidsWithOffsetAndLength_InvalidOffset() throws CIFSException {
        doThrow(new CIFSException("Invalid offset")).when(sidResolver)
                .resolveSids(any(CIFSContext.class), anyString(), any(SID[].class), eq(-1), anyInt());

        assertFalse(region.hasAccess(RdmaAccess.REMOTE_READ), "Should not have remote read access");

        // Test cleanup
        region.close();
        assertFalse(region.isValid(), "Region should be invalid after close");
    }

    @Test
    public void testGetProviderName() {
        assertEquals("TCP Fallback", provider.getProviderName());
    }

    @Test