*/
public class FileFsSizeInformation implements AllocInfo {

    private long alloc; // Also handles SmbQueryFSSizeInfo
    private long free;
    private int sectPerAlloc;
    private int bytesPerSect;

    /**
     * Default constructor for decoding file system size information.
     */
    public FileFsSizeInformation() {
    }

    /**
     * {@inheritDoc}
     *

        }
    }

    @Nested
    @DisplayName("FileFsSizeInformation Implementation Tests")
    class FileFsSizeInformationTests {

        private FileFsSizeInformation fileFsSizeInfo;

        @BeforeEach
        void setUp() {
            fileFsSizeInfo = new FileFsSizeInformation();
        }

        @Test
        @DisplayName("Should return correct information class")

        assertEquals(offset, bytesRead);
        assertNotNull(response.getInfo());
        assertTrue(response.getInfo() instanceof FileFsSizeInformation);

        FileFsSizeInformation info = (FileFsSizeInformation) response.getInfo();
        assertEquals(1000000L * 8L * 512L, info.getCapacity());
        assertEquals(500000L * 8L * 512L, info.getFree());
    }

    @Test

import jcifs.internal.AllocInfo;
import jcifs.internal.SMBProtocolDecodingException;

/**
 * Test suite for FileFsSizeInformation class
 */
class FileFsSizeInformationTest {

    private FileFsSizeInformation fileFsSizeInfo;

    @BeforeEach
    void setUp() {
        fileFsSizeInfo = new FileFsSizeInformation();
    }

    @Nested
    @DisplayName("Interface Implementation Tests")

import jcifs.Decodable;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.dtyp.SecurityDescriptor;
import jcifs.internal.fscc.FileFsFullSizeInformation;
import jcifs.internal.fscc.FileFsSizeInformation;
import jcifs.internal.fscc.FileInformation;
import jcifs.internal.fscc.FileInternalInfo;
import jcifs.internal.fscc.FileSystemInformation;
import jcifs.internal.smb2.ServerMessageBlock2Response;

import jcifs.CIFSException;
import jcifs.Configuration;
import jcifs.internal.AllocInfo;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.fscc.FileFsFullSizeInformation;
import jcifs.internal.fscc.FileFsSizeInformation;
import jcifs.internal.fscc.FileSystemInformation;
import jcifs.internal.fscc.SmbInfoAllocation;
import jcifs.internal.smb1.trans.SmbComTransaction;
import jcifs.internal.smb1.trans.SmbComTransactionResponse;

/**

        // Set buffer offset
        SMBUtil.writeInt2(20, buffer, bufferIndex + 2);
        // Set buffer length (FileFsSizeInformation is 24 bytes)
        SMBUtil.writeInt4(24, buffer, bufferIndex + 4);

        response = spy(response);
        when(response.getHeaderStart()).thenReturn(0);

        // Write FileFsSizeInformation data (24 bytes)
        SMBUtil.writeInt8(1000000, buffer, 20); // Total allocation units