@Test
    public void testToStringContainsCount() {
        // Little-endian: count = 512 (0x0200)
        byte[] buf = new byte[12];
        buf[0] = 0x00;
        buf[1] = 0x02; // count = 512 in little-endian
        resp.readParameterWordsWireFormat(buf, 0);
        String str = resp.toString();
        assertTrue(str.contains("count=512"), "toString should include numeric count");
    }

    @Test

        trans2SetFileInfo = new Trans2SetFileInformation(config, TEST_FID, mockFileInfo);

        byte[] buffer = new byte[512];
        int written = trans2SetFileInfo.writeParametersWireFormat(buffer, 0);

        // Should write 6 bytes: fid (2), info level (2), reserved (2)
        assertEquals(6, written);

        // Check FID

	{"BETWEEN_64_KB_AND_256_KB", 64 * humanize.KiByte, 256*humanize.KiByte - 1},   // not exported, for support use only
	{"BETWEEN_256_KB_AND_512_KB", 256 * humanize.KiByte, 512*humanize.KiByte - 1}, // not exported, for support use only
	{"BETWEEN_512_KB_AND_1_MB", 512 * humanize.KiByte, humanize.MiByte - 1},       // not exported, for support use only
	{"BETWEEN_1024B_AND_1_MB", humanize.KiByte, humanize.MiByte - 1},

        when(mockConfig.getMinimumVersion()).thenReturn(DialectVersion.SMB210);
        request = new Smb2NegotiateRequest(mockConfig, Smb2Constants.SMB2_NEGOTIATE_SIGNING_REQUIRED);

        byte[] buffer = new byte[512];

        // When
        int bytesWritten = request.writeBytesWireFormat(buffer, 0);

        // Then
        assertTrue(bytesWritten > 0);

        // Verify structure size

pkg debug/pe, const IMAGE_DLLCHARACTERISTICS_NO_BIND = 2048
pkg debug/pe, const IMAGE_DLLCHARACTERISTICS_NO_BIND ideal-int
pkg debug/pe, const IMAGE_DLLCHARACTERISTICS_NO_ISOLATION = 512
pkg debug/pe, const IMAGE_DLLCHARACTERISTICS_NO_ISOLATION ideal-int
pkg debug/pe, const IMAGE_DLLCHARACTERISTICS_NO_SEH = 1024
pkg debug/pe, const IMAGE_DLLCHARACTERISTICS_NO_SEH ideal-int

    }

    @Test
    void testWriteParametersWireFormat() {
        trans2QueryPathInfo = new Trans2QueryPathInformation(config, TEST_FILENAME, TEST_INFO_LEVEL);

        byte[] buffer = new byte[512];
        int written = trans2QueryPathInfo.writeParametersWireFormat(buffer, 0);

        // Check information level (first 2 bytes)
        int actualInfoLevel = SMBUtil.readInt2(buffer, 0);

        // idFileSystem (4 bytes, skipped)
        writeInt4(100, buffer, 4); // sectPerAlloc
        writeInt4(1000, buffer, 8); // alloc
        writeInt4(500, buffer, 12); // free
        writeInt2(512, buffer, 16); // bytesPerSect

        int bytesRead = response.readDataWireFormat(buffer, 0, buffer.length);

        assertEquals(20, bytesRead, "Should read 20 bytes");

        // Setup SMB3.1.1 negotiation
        when(negotiateResponse.getSelectedDialect()).thenReturn(DialectVersion.SMB311);
        when(negotiateResponse.getSelectedPreauthHash()).thenReturn(1); // SHA-512
        setPrivateField(transport, "smb2", true);
        setPrivateField(transport, "negotiated", negotiateResponse);

        int threadCount = 10;
        CountDownLatch startLatch = new CountDownLatch(1);

    void testWriteParametersWireFormatWithSmbInfoAllocation() {
        trans2QueryFSInfo = new Trans2QueryFSInformation(config, FileSystemInformation.SMB_INFO_ALLOCATION);

        byte[] buffer = new byte[512];
        int written = trans2QueryFSInfo.writeParametersWireFormat(buffer, 0);

        // Should write 2 bytes: information level
        assertEquals(2, written);

        @DisplayName("calculatePreauthHash computes SHA-512 chain for SMB 3.1.1")
        void preauthHash_happyPath() throws Exception {
            setField(transport, "smb2", true);
            Smb2NegotiateResponse nego = new Smb2NegotiateResponse(cfg);
            setField(nego, "selectedDialect", DialectVersion.SMB311);
            setField(nego, "selectedPreauthHash", 1); // 1 => SHA-512
            setField(transport, "negotiated", nego);