@Test
    @DisplayName("Should handle different file IDs")
    void testDifferentFileIds() {
        // Given
        byte[] fileId1 = new byte[16];
        Arrays.fill(fileId1, (byte) 0x11);

        byte[] fileId2 = new byte[16];
        Arrays.fill(fileId2, (byte) 0xFF);

        byte[] fileId3 = new byte[16];
        for (int i = 0; i < 16; i++) {
            fileId3[i] = (byte) i;
        }

        Smb2NegotiateResponse r = null;
        byte[] negoReqBuffer = null;
        byte[] negoRespBuffer = null;
        try {
            smb2neg.setRequestCredits(Math.max(1, this.desiredCredits - this.credits.availablePermits()));

            final int reqLen = negotiateWrite(smb2neg, first != null);

    }
    return false;  // Fall back to oplock logic
}

public boolean canCacheWrite() {
    if (leaseKey != null) {
        LeaseEntry entry = leaseManager.getLease(leaseKey);
        return entry != null && entry.hasWriteCache();
    }
    return false;
}

public boolean canCacheHandle() {
    if (leaseKey != null) {

            assertArrayEquals(testSalt, Arrays.copyOfRange(buffer, 6, 14));
        }

        @Test
        @DisplayName("Should encode with null values")
        void testEncodeWithNullValues() {
            // Arrange
            context = new PreauthIntegrityNegotiateContext(mockConfig, null, null);
            byte[] buffer = new byte[100];

            // Act
            int encodedSize = context.encode(buffer, 0);

    }

    /**
     * Remove lease contexts and fall back to oplock
     * @param oplockLevel the oplock level to fall back to
     */
    public void fallbackToOplock(byte oplockLevel) {
        // Remove any lease contexts
        if (this.createContexts != null) {
            CreateContextRequest[] filteredContexts = null;
            int count = 0;

            assertNull(context.getSalt());
            assertEquals(6, context.size()); // 4 header + 2 for one hash algo
        }

        @Test
        @DisplayName("Should handle both null parameters")
        void testBothNullParameters() {
            context = new PreauthIntegrityNegotiateContext(mockConfig, null, null);

    }

    @Test
    @DisplayName("Constructor with all null parameters should work")
    void testConstructorWithAllNullParameters() {
        // Test that all null parameters are handled properly
        SmbNegotiation negotiationAllNull = new SmbNegotiation(null, null, null, null);

        assertNull(negotiationAllNull.getRequest());
        assertNull(negotiationAllNull.getResponse());

                + (lmResponse == null ? "null" : "<" + lmResponse.length + " bytes>") + ",ntResponse="
                + (ntResponse == null ? "null" : "<" + ntResponse.length + " bytes>") + ",sessionKey="
                + (sessionKey == null ? "null" : "<" + sessionKey.length + " bytes>") + ",flags=0x"
                + jcifs.smb1.util.Hexdump.toHexString(getFlags(), 8) + "]";

        assertNotNull(defaultConfig.getRandom(), "Random should not be null");
        assertNotNull(defaultConfig.getLocalTimezone(), "Local timezone should not be null");
        assertNotNull(defaultConfig.getMachineId(), "Machine ID should not be null");
    }

    @Test
    @DisplayName("Test network configuration getters")
    void testNetworkConfigurationGetters() {

                if (this.sessionKey != null) {
                    java.util.Arrays.fill(this.sessionKey, (byte) 0);
                    this.sessionKey = null;
                }

                if (this.preauthIntegrityHash != null) {
                    java.util.Arrays.fill(this.preauthIntegrityHash, (byte) 0);
                    this.preauthIntegrityHash = null;
                }