a fake `HostnameVerifier` or `X509TrustManager`.

Certificate Authorities
-----------------------

The above example uses a self-signed certificate. This is convenient for testing but not
representative of real-world HTTPS deployment. To get closer to that we can use `HeldCertificate`
to generate a trusted root certificate, an intermediate certificate, and a server certificate.

                log.warn("Error creating SmbFile from cache for {}: {}", fileInfo.getName(), e.getMessage());
                // For testing purposes, continue processing other files
                // In a real scenario, you might want to handle this differently
            }
        }

        return files;
    }

    /**
     * Update directory cache with new listing
     *

        Smb2CloseRequest request = new Smb2CloseRequest(mockConfig, emptyFileId);

        // When
        request.setFileId(testFileId);

        // Then - verify through internal state (would need getter or reflection in real scenario)
        // Since we can't directly verify the internal state, we create a new request to test
        Smb2CloseRequest newRequest = new Smb2CloseRequest(mockConfig, testFileId);

        // Act
        spyBlob.set(payload);

        // Assert
        verify(spyBlob, times(1)).set(payload);
        assertSame(payload, spyBlob.get(), "Spy should behave like real object exposing same array");
        assertEquals(2, spyBlob.length(), "length() should reflect the set payload length");
    }

)
```

/// warning | Advertencia

Las funciones adicionales de soporte `fake_password_hasher` y `fake_save_user` son solo para demostrar un posible flujo de datos, pero por supuesto no proporcionan ninguna seguridad real.

///

## Reducir duplicación { #reduce-duplication }

Reducir la duplicación de código es una de las ideas centrales en **FastAPI**.

    @Test
    void testSend() throws SmbException {
        SmbTree tree = new SmbTree(session, "testShare", "A:");
        tree.connectionState = 2; // Connected state
        tree.tid = 123;

        // Create real request and response objects since they're not interfaces
        ServerMessageBlock request = new SmbComOpenAndX("testfile.txt", 0x01, 0, null);
        ServerMessageBlock response = new SmbComOpenAndXResponse();

)
```

/// warning

The supporting additional functions `fake_password_hasher` and `fake_save_user` are just to demo a possible flow of the data, but they of course are not providing any real security.

///

## Reduce duplication { #reduce-duplication }

Reducing code duplication is one of the core ideas in **FastAPI**.

import org.junit.jupiter.api.Test;

import jcifs.dcerpc.rpc;
import jcifs.dcerpc.ndr.NdrBuffer;
import jcifs.dcerpc.ndr.NdrException;

/**
 * Integration tests for lsarpc classes using real NdrBuffer implementations
 */
class lsarpcIntegrationTest {

    @Test
    void testLsarDomainInfoEncodeDecodeRoundTrip() throws NdrException {
        // Create a domain info with test data

    }

    @Test
    @DisplayName("renew: invokes getSubject and returns self")
    void testRenewInvokesGetSubjectAndReturnsSelf() {
        JAASAuthenticator auth = spy(new JAASAuthenticator());
        // Avoid real JAAS by stubbing getSubject
        doReturn(new Subject()).when(auth).getSubject();

        // Act
        CredentialsInternal result = auth.renew();

        // Assert interaction and return value

import com.google.common.annotations.J2ktIncompatible;
import com.google.errorprone.annotations.concurrent.LazyInit;
import org.jspecify.annotations.Nullable;

/**
 * The representation of a linear transformation between real numbers {@code x} and {@code y}.
 * Graphically, this is the specification of a straight line on a plane. The transformation can be
 * expressed as {@code y = m * x + c} for finite {@code m} and {@code c}, unless it is a vertical