byte[] expanded = PacMac.expandNFold(data, outlen);
        assertNotNull(expanded);
        assertEquals(outlen, expanded.length);

        // Test vectors from RFC 3961 Appendix A.1
        // 64-fold("012345")
        verifyNfold("012345", 8,
                new byte[] { (byte) 0xbe, (byte) 0x07, (byte) 0x26, (byte) 0x31, (byte) 0x27, (byte) 0x6b, (byte) 0x19, (byte) 0x55 });

        // 56-fold("password")

        switch (il) {
        case FileSystemInformation.SMB_INFO_ALLOCATION:
            return 0x1;
        case FileSystemInformation.FS_SIZE_INFO:
            return 0x103;
        }
        throw new IllegalArgumentException("Unhandled information level");
    }

    @Override
    protected int writeDataWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

        customData[0] = 0x01;
        customData[1] = 0x02;

        byte[] machineId = new byte[32];
        machineId[0] = 0x10;
        machineId[1] = 0x11;
        machineId[2] = 0x12;

        AvSingleHost avSingleHost = new AvSingleHost(customData, machineId);

        assertNotNull(avSingleHost);
        byte[] value = avSingleHost.getRaw();
        assertNotNull(value);

        assertEquals(0, hash.length);
    }

    // Test that changing lmCompatibility at runtime doesn't affect already loaded static value
    @ParameterizedTest
    @ValueSource(strings = { "0", "1", "2", "3", "4", "5" })
    void testLmCompatibilityStaticInitialization(String lmCompatibility) {
        // Attempt to change the property (won't affect static final LM_COMPATIBILITY)

        // Pre-populate buffer with the encoding of a short value
        NdrBuffer prepare = new NdrBuffer(new byte[10], 0);
        prepare.enc_ndr_short(0x34); // Encode value 0x34
        prepare.reset(); // Reset to beginning for decoding

        NdrBuffer spy = spy(prepare);
        ns.decode(spy);
        verify(spy).dec_ndr_short();
    }

        testBuffer[3] = 0x00; // Size high byte
        testBuffer[4] = (byte) 0xA9; // Access mask byte 0
        testBuffer[5] = 0x00; // Access mask byte 1
        testBuffer[6] = 0x12; // Access mask byte 2
        testBuffer[7] = 0x00; // Access mask byte 3

        // Add minimal SID data (S-1-1-0 - Everyone)
        testBuffer[8] = 0x01; // Revision
        testBuffer[9] = 0x01; // Sub-authority count

package jcifs.smb1.smb1;

class Trans2QueryFSInformationResponse extends SmbComTransactionResponse {

    // information levels
    static final int SMB_INFO_ALLOCATION = 1;
    static final int SMB_QUERY_FS_SIZE_INFO = 0x103;
    static final int SMB_FS_FULL_SIZE_INFORMATION = 1007;

    class SmbInfoAllocation implements AllocInfo {
        long alloc; // Also handles SmbQueryFSSizeInfo
        long free;
        int sectPerAlloc;

        byte[] buffer = new byte[10];
        int bytesRead = stream.read(buffer, 2, 5);

        assertEquals(5, bytesRead);
        assertEquals("01234", new String(buffer, 2, 5));
    }

    public void test_available_delegatesToUnderlying() throws IOException {
        // Test that available() delegates to underlying stream
        byte[] data = "Test data".getBytes();

    class ParameterizedInit {
        static Stream<Arguments> validRanges() {
            byte[] src = new byte[] { 0, 1, 2, 3 };
            return Stream.of(Arguments.of(src, 0, 0, new byte[] {}), Arguments.of(src, 0, 4, new byte[] { 0, 1, 2, 3 }),
                    Arguments.of(src, 1, 2, new byte[] { 1, 2 }), Arguments.of(src, 3, 1, new byte[] { 3 }));
        }

        smbComOpenAndX = new SmbComOpenAndX(fileName, access, flags, andx);
        assertEquals(fileName, smbComOpenAndX.path);
        assertEquals(ServerMessageBlock.SMB_COM_OPEN_ANDX, smbComOpenAndX.command);
        assertEquals(0x12, smbComOpenAndX.openFunction); // OPEN_FN_CREATE | OPEN_FN_TRUNC
    }

    /**
     * Test constructor with O_CREAT and O_EXCL flags.
     */
    @Test
    void testConstructor_CreateAndFailIfExists() {