import jcifs.internal.util.SMBUtil;

class ServerMessageBlock2Test {

    @Mock
    private Configuration mockConfig;

    @Mock
    private Smb2SigningDigest mockDigest;

    @Mock
    private ServerMessageBlock2Response mockResponse;

    private TestServerMessageBlock2 testMessage;

    // Test implementation of abstract class
    private static class TestServerMessageBlock2 extends ServerMessageBlock2 {

 *
 * @author koichik
 * @see ClassHandler
 * @see TraversalUtil
 */
public abstract class ClassTraversalUtil {

    /**
     * Do not instantiate.
     */
    protected ClassTraversalUtil() {
    }

    /** The file extension for class files. */
    protected static final String CLASS_SUFFIX = ".class";

    /** The file extension for WAR files. */

//// tab | Linux, macOS, Windows Bash

<div class="termy">

```console
// Вы можете создать переменную окружения MY_NAME с помощью
$ export MY_NAME="Wade Wilson"

// Затем её можно использовать в других программах, например
$ echo "Hello $MY_NAME"

Hello Wade Wilson
```

</div>

////

//// tab | Windows PowerShell

<div class="termy">

```console

 * would require complex stubbing of static methods.  Instead the tests
 * concentrate on the instance methods and simple static predicates
 * that are observable without network access.
 */
@ExtendWith(MockitoExtension.class)
class UniAddressTest {

    /* ---------------------------------------------------------------------
     * 0. Helper methods for parameterised tests
     * --------------------------------------------------------------------- */

        Method calcMethod = findMethod(transport.getClass(), "calculatePreauthHash", byte[].class, int.class, int.class, byte[].class);
        calcMethod.setAccessible(true);

        byte[] input = "test data".getBytes();
        byte[] oldHash = new byte[64];

        assertThrows(Exception.class, () -> {
            calcMethod.invoke(transport, input, 0, input.length, oldHash);
        });
    }

        h.release();
        verify(tree, never()).send(isA(Smb2CloseRequest.class), any());
        verify(tree, never()).send(any(CommonServerMessageBlockRequest.class), any(SmbComBlankResponse.class), any(RequestParam[].class));

        // Second release: should close now via SMB2 path
        h.release();
        verify(tree, times(1)).send(isA(Smb2CloseRequest.class), eq(RequestParam.NO_RETRY));
        verify(tree, times(1)).release();
    }

        // Assert - toString starts with class name and contains message when present
        if (message == null) {
            assertEquals(SMBProtocolDowngradeException.class.getName(), ex.toString());
        } else if (message.isEmpty()) {
            // Throwable.toString prints class + ": " (with space) even for empty string
            assertEquals(SMBProtocolDowngradeException.class.getName() + ": ", ex.toString());
        } else {

                mock(CommonServerMessageBlockRequest.class, withSettings().extraInterfaces(RequestWithFileId.class));

        resp.prepare(next);

        verify((RequestWithFileId) next, times(1)).setFileId(eq(fileId));
    }

    @Test
    void prepare_doesNothing_whenNotReceived() {
        Configuration config = Mockito.mock(Configuration.class);
        Smb2CreateResponse resp = new Smb2CreateResponse(config, "x");

        // Mock the transport layer
        smbTransport = mock(SmbTransport.class);
        smbTransport.rcv_buf_size = 4096;
        smbTransport.snd_buf_size = 4096;

        // Mock the session layer
        smbSession = mock(SmbSession.class);
        smbSession.transport = smbTransport;

        // Mock the tree layer
        smbTree = mock(SmbTree.class);
        smbTree.session = smbSession;
        smbTree.tree_num = 1;

Und Pydantics `Field` gibt ebenfalls eine Instanz von `FieldInfo` zurück.

`Body` gibt auch direkt Instanzen einer Unterklasse von `FieldInfo` zurück. Später werden Sie andere sehen, die Unterklassen der `Body`-Klasse sind.