try {
                    if ((flags2 & FLAGS2_UNICODE) == FLAGS2_UNICODE) {
                        while (buffer[bufferIndex + len] != (byte) 0x00 || buffer[bufferIndex + len + 1] != (byte) 0x00) {
                            len += 2;
                            if (len > 256) {
                                throw new RuntimeException("zero termination not found");
                            }

        // Modify the original array after passing it to the constructor
        originalHash[0] = 0x00;

        // The value in AvChannelBindings should reflect the change since it stores a reference
        assertEquals(0x00, avChannelBindings.getRaw()[0], "Value should reflect changes to original array as it stores a reference");
    }

    }

    @Override
    protected int writeSetupWireFormat(final byte[] dst, int dstIndex) {
        dst[dstIndex] = this.getSubCommand();
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00;
        return 2;
    }

    @Override
    protected int writeParametersWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;

        expected[0] = 0x04; // Buffer format
        System.arraycopy(directoryName.getBytes(StandardCharsets.UTF_8), 0, expected, 1, directoryName.length());
        expected[directoryName.length() + 1] = 0x00; // Null terminator

        byte[] dst = new byte[100];
        int bytesWritten = smbCom.writeBytesWireFormat(dst, 0);

@DisplayName("Smb2LeaseState Tests")
class Smb2LeaseStateTest {

    @Test
    @DisplayName("Should define correct lease state constants")
    void testLeaseStateConstants() {
        assertEquals(0x00, Smb2LeaseState.SMB2_LEASE_NONE);
        assertEquals(0x01, Smb2LeaseState.SMB2_LEASE_READ_CACHING);
        assertEquals(0x02, Smb2LeaseState.SMB2_LEASE_HANDLE_CACHING);

        // SMB2 header
        validator.validateSmbHeader(0x424D53FE, 64, 0x00);
    }

    @Test
    public void testInvalidProtocolId() throws Exception {
        assertThrows(SmbException.class, () -> {
            validator.validateSmbHeader(0xDEADBEEF, 64, 0x00);
        });
    }

    @Test
    public void testInvalidSmb1HeaderSize() throws Exception {

     * .
     */
    @Test
    public void testToBinary() {
        assertThat(BinaryConversionUtil.toBinary(null), nullValue());
        final byte[] b = { 0x00, 0x01 };
        assertThat(BinaryConversionUtil.toBinary(b), is(b));
        assertThat(BinaryConversionUtil.toBinary("hoge"), is("hoge".getBytes()));
    }

    /**
     * Test method for

        // Offset 2-3: Reserved (2 bytes, should be 0x00)
        // Offset 4-7: Security Information (4 bytes)
        assertEquals(8, bytesWritten);

        // Check FID
        assertEquals(0xABCD, SMBUtil.readInt2(dst, 10));

        // Check reserved bytes are zero
        assertEquals(0x00, dst[12]);
        assertEquals(0x00, dst[13]);

        // Check security information

        // per bouncycastle
        // <li>1: K(i) := PRF( KI, [i]_2 || Label || 0x00 || Context || [L]_2 ) with the counter at the very beginning
        // of the fixedInputData (The default implementation has this format)</li>
        // with the parameters
        // <li>1. KDFCounterParameters(ki, null, "Label || 0x00 || Context || [L]_2]", 8);

        // all fixed inputs go into the suffix:
        // + label

    @Test
    void testSetFid() {
        response.fid = 123;
        assertEquals(123, response.fid);
    }

    @Test
    void testSetFileAttributes() {
        response.fileAttributes = 0x20; // ATTR_ARCHIVE
        assertEquals(0x20, response.fileAttributes);
    }

    @Test
    void testSetLastWriteTime() {
        long time = System.currentTimeMillis();
        response.lastWriteTime = time;