// Try to call again
        SmbException e = assertThrows(SmbException.class, () -> {
            context.initSecContext(new byte[0], 0, 0);
        });
        assertEquals("Invalid state", e.getMessage());
    }

    @Test
    void testInitSecContext_malformedType2Message() throws SmbException {
        // Test handling of a malformed Type 2 message

 */

package jcifs.dcerpc.msrpc;

import java.io.IOException;

import jcifs.dcerpc.DcerpcHandle;
import jcifs.dcerpc.rpc;
import jcifs.smb.SmbException;

/**
 * Handle for Security Account Manager (SAM) domain operations.
 * This class represents an open handle to a SAM domain and provides
 * operations for managing domain users, groups, and aliases.
 */

        }).when(mockHandle).sendrecv(closeCaptor.capture());

        SamrPolicyHandle handle = new SamrPolicyHandle(mockHandle, server, access);

        SmbException thrown = assertThrows(SmbException.class, handle::close);

        // SmbException constructor maps non-NT status codes to NT_STATUS_UNSUCCESSFUL
        assertEquals(0xC0000001, thrown.getNtStatus()); // NT_STATUS_UNSUCCESSFUL

    }

    @Override
    public boolean isSigningOptional() throws SmbException {
        return delegate.isSigningOptional();
    }

    @Override
    public boolean isSigningEnforced() throws SmbException {
        return delegate.isSigningEnforced();
    }

    @Override
    public byte[] getServerEncryptionKey() {

        // After 3 failures, account should be locked
        try {
            rateLimiter.checkAttempt(username, ip);
            fail("Should throw SmbException for locked account");
        } catch (SmbException e) {
            assertTrue(e.getMessage().contains("locked out"), "Should indicate account lockout");
        }
    }

    @Test
    public void testIpRateLimit() throws Exception {

        when(locator.getURL()).thenReturn(createSmbURL("smb://server/"));

        // When & Then: Constructor should throw SmbException
        SmbException exception = assertThrows(SmbException.class, () -> new NetServerEnumIterator(parent, treeHandle, "*", 0, null));

        assertTrue(exception.getMessage().contains("invalid"));
        verify(treeHandle, never()).acquire();
    }

    @Test

 */

package jcifs.dcerpc.msrpc;

import java.io.IOException;

import jcifs.dcerpc.DcerpcHandle;
import jcifs.dcerpc.rpc;
import jcifs.smb.SmbException;

/**
 * LSA policy handle for Local Security Authority operations.
 */
public class LsaPolicyHandle extends rpc.policy_handle implements AutoCloseable {

    private final DcerpcHandle handle;

                blob = (byte[]) cred;
            } else {
                throw new SmbException("Unsupported credential type");
            }
        } else if (session.transport.server.security == SECURITY_SHARE) {
            if (!(cred instanceof final NtlmPasswordAuthentication auth)) {
                throw new SmbException("Unsupported credential type");
            }
            lmHash = new byte[0];

 */

package jcifs.smb1.dcerpc.msrpc;

import java.io.IOException;

import jcifs.smb1.dcerpc.DcerpcHandle;
import jcifs.smb1.dcerpc.rpc;
import jcifs.smb1.smb1.SmbException;

/**
 * Handle for Security Account Manager (SAM) domain operations.
 * This class represents an open handle to a SAM domain and provides
 * operations for managing domain users, groups, and aliases.
 */

            createResp = th.send(create);
        } catch (final SmbException e) {
            final Smb2CreateResponse cr = create.getResponse();
            if (cr != null && cr.isReceived() && cr.getStatus() == NtStatus.NT_STATUS_SUCCESS) {
                try {
                    th.send(new Smb2CloseRequest(th.getConfig(), cr.getFileId()));
                } catch (final SmbException e2) {
                    e.addSuppressed(e2);
                }