// When using RDMA channel, this points to SMB2_RDMA_TRANSFORM in Buffer
            SMBUtil.writeInt2(80, dst, dstIndex); // ReadChannelInfoOffset (after header)
            SMBUtil.writeInt2(16, dst, dstIndex + 2); // ReadChannelInfoLength
            dstIndex += 4;
        } else {
            SMBUtil.writeInt2(0, dst, dstIndex);
            SMBUtil.writeInt2(0, dst, dstIndex + 2);
            dstIndex += 4;
        }

        bufferIndex += 8;
        this.changeTime = SMBUtil.readTime(buffer, bufferIndex);
        bufferIndex += 8;
        this.endOfFile = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;
        this.allocationSize = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;
        this.extFileAttributes = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        SMBUtil.writeUTime(0L, dst, 0);
        assertEquals(0, SMBUtil.readInt4(dst, 0));

        // Test with specific value (Unix timestamp in milliseconds)
        SMBUtil.writeUTime(1500000000000L, dst, 4);
        assertEquals(1500000000, SMBUtil.readInt4(dst, 4));
    }

    @Test
    void testSMBHeader() {
        assertNotNull(SMBUtil.SMB_HEADER);
        assertEquals(24, SMBUtil.SMB_HEADER.length);

        dstIndex += 4;
        SMBUtil.writeInt4(this.additionalInformation, dst, dstIndex);
        dstIndex += 4;
        SMBUtil.writeInt4(this.queryFlags, dst, dstIndex);
        dstIndex += 4;
        System.arraycopy(this.fileId, 0, dst, dstIndex, 16);
        dstIndex += 16;

        if (this.inputBuffer == null) {
            SMBUtil.writeInt2(0, dst, inBufferOffsetOffset);

        // Server start time
        SMBUtil.writeTime(System.currentTimeMillis() - 3600000, buffer, offset + 48);

        // Security buffer offset and length
        SMBUtil.writeInt2(128, buffer, offset + 56); // Offset
        SMBUtil.writeInt2(0, buffer, offset + 58); // Length

        // Negotiate context offset
        SMBUtil.writeInt4(0, buffer, offset + 60);

        assertEquals(100, SMBUtil.readInt4(dst, 3));

        // Verify total data count (4 bytes at position 7)
        assertEquals(200, SMBUtil.readInt4(dst, 7));

        // Verify max parameter count (4 bytes at position 11)
        assertEquals(1024, SMBUtil.readInt4(dst, 11));

        // Verify max data count (4 bytes at position 15)
        assertEquals(2048, SMBUtil.readInt4(dst, 15));

        final int start = bufferIndex;
        this.allocationSize = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;
        this.endOfFile = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;
        this.numberOfLinks = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.deletePending = (buffer[bufferIndex] & 0xFF) > 0;

import org.junit.jupiter.api.Test;

import jcifs.internal.util.SMBUtil;

public class AvTimestampTest {

    /**
     * Test constructor with raw bytes.
     */
    @Test
    public void testConstructorWithRawBytes() {
        byte[] rawBytes = new byte[8];
        SMBUtil.writeInt8(1234567890L, rawBytes, 0); // Example timestamp
        AvTimestamp avTimestamp = new AvTimestamp(rawBytes);

        bufferIndex += 8;
        this.changeTime = SMBUtil.readTime(buffer, bufferIndex);
        bufferIndex += 8;
        this.extFileAttributes = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.allocationSize = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;
        this.endOfFile = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;

            System.arraycopy(SMBUtil.SMB_HEADER, 0, buffer, 0, SMBUtil.SMB_HEADER.length);

            buffer[SmbConstants.CMD_OFFSET] = 0x25;
            SMBUtil.writeInt4(0, buffer, SmbConstants.ERROR_CODE_OFFSET);
            buffer[SmbConstants.FLAGS_OFFSET] = 0x12;
            SMBUtil.writeInt2(0x3456, buffer, SmbConstants.FLAGS_OFFSET + 1);
            SMBUtil.writeInt2(0x1234, buffer, SmbConstants.TID_OFFSET);