assertThrows(NullPointerException.class, () -> {
                buffer.size();
            });
        }

        @ParameterizedTest
        @DisplayName("Should handle various referral levels")
        @ValueSource(ints = { 0, 1, 2, 3, 4, 5, 255, 256, 32767, 65535 })
        void testConstructorWithVariousReferralLevels(int maxReferralLevel) {
            String path = "\\\\test";

   * doubling the table causes no thread to hash to it under
   * expanded mask.  We do not try to detect or remove such cells,
   * under the assumption that for long-running instances, observed
   * contention levels will recur, so the cells will eventually be
   * needed again; and for short-lived ones, it does not matter.
   */

  /**
   * Padded variant of AtomicLong supporting only raw accesses plus CAS. The value field is placed

     * gaps. For example, an insecure TLS connection is capable of negotiating HTTP/2 with ALPN and
     * it also has a regular-looking handshake.
     *
     * **This feature is not supported on Android API levels less than 24.** Prior releases lacked
     * a mechanism to trust some hosts and not others.
     *
     * @param hostname the exact hostname from the URL for insecure connections.
     */

        FileInformation basicInfo = mock(FileInformation.class);
        FileInformation standardInfo = mock(FileInformation.class);
        FileInformation internalInfo = mock(FileInformation.class);

        // Set different levels
        when(basicInfo.getFileInformationLevel()).thenReturn(FileInformation.FILE_BASIC_INFO);
        when(standardInfo.getFileInformationLevel()).thenReturn(FileInformation.FILE_STANDARD_INFO);

## Dependency Injection { #dependency-injection }

Using `BackgroundTasks` also works with the dependency injection system, you can declare a parameter of type `BackgroundTasks` at multiple levels: in a *path operation function*, in a dependency (dependable), in a sub-dependency, etc.

package jcifs.smb1.smb1;

import java.io.UnsupportedEncodingException;
import java.util.Date;

import jcifs.smb1.util.LogStream;

class Trans2FindFirst2Response extends SmbComTransactionResponse {

    // information levels

    static final int SMB_INFO_STANDARD = 1;
    static final int SMB_INFO_QUERY_EA_SIZE = 2;
    static final int SMB_INFO_QUERY_EAS_FROM_LIST = 3;
    static final int SMB_FIND_FILE_DIRECTORY_INFO = 0x101;

        }

        verify(autoCloseTree).close();
    }

    /**
     * Test for unwrap with nested wrapping.
     * Verifies that unwrap works correctly with multiple levels of wrapping.
     */
    @Test
    void testUnwrap_nestedWrapping() {
        // Create a chain of wrapped trees
        CustomSmbTree innerTree = mock(CustomSmbTree.class);

    @ParameterizedTest
    @ValueSource(bytes = { FileInformation.FILE_BASIC_INFO, FileInformation.FILE_STANDARD_INFO, FileInformation.FILE_INTERNAL_INFO })
    @DisplayName("Test readDataWireFormat with different information levels")
    void testReadDataWireFormatWithDifferentLevels(byte infoLevel) throws SMBProtocolDecodingException {
        response = new Trans2QueryPathInformationResponse(mockConfig, infoLevel);

                _src = _src.deferred;
                name = _src.dec_ndr_string();

            }
        }
    }

    /**
     * RPC message for retrieving server information at various detail levels.
     */
    public static class ServerGetInfo extends DcerpcMessage {

        @Override
        public int getOpnum() {
            return 0x15;
        }

        /**

        void testInfoQuota() {
            assertEquals(4, Smb2Constants.SMB2_0_INFO_QUOTA, "Quota info level must be 4");
        }

        @Test
        @DisplayName("All info levels should be sequential")
        void testInfoLevelsSequential() {
            assertEquals(Smb2Constants.SMB2_0_INFO_FILE + 1, Smb2Constants.SMB2_0_INFO_FILESYSTEM, "Filesystem should be File + 1");