*
 * <p>The simplest use case is:
 *
 * <pre>
 * new EqualsTester().addEqualityGroup(foo).testEquals();
 * </pre>
 *
 * <p>This tests {@code foo.equals(foo)}, {@code foo.equals(null)}, and a few other operations.
 *
 * <p>For more extensive testing, add multiple equality groups. Each group should contain objects
 * that are equal to each other but unequal to the objects in any other group. For example:
 *
 * <pre>

import java.nio.charset.Charset;
import java.util.Properties;

import org.codelibs.core.exception.IORuntimeException;
import org.codelibs.core.net.URLUtil;

/**
 * Utility class for {@link Properties} operations.
 *
 * @author higa
 */
public abstract class PropertiesUtil {

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

    /**

 *
 * <p>The simplest use case is:
 *
 * <pre>
 * new EqualsTester().addEqualityGroup(foo).testEquals();
 * </pre>
 *
 * <p>This tests {@code foo.equals(foo)}, {@code foo.equals(null)}, and a few other operations.
 *
 * <p>For more extensive testing, add multiple equality groups. Each group should contain objects
 * that are equal to each other but unequal to the objects in any other group. For example:
 *
 * <pre>

import jcifs.smb.SmbException;

/**
 * SMB1 Session Setup AndX request message.
 *
 * This command is used to authenticate a user session and
 * establish security context for subsequent operations.
 */
public class SmbComSessionSetupAndX extends AndXServerMessageBlock {

    private byte[] lmHash, ntHash, blob = null;
    private String accountName, primaryDomain;

            } finally {
                this.next = null;
                this.treeHandle.release();
            }
        }
    }

    /**
     * Performs the internal closing operations specific to the implementation.
     *
     * @throws CIFSException if an error occurs during internal closing
     */
    protected abstract void doCloseInternal() throws CIFSException;

    /**

            assertTrue(result.startsWith("Transport"));
            assertFalse(result.isEmpty());
        }

        @Test
        @DisplayName("should handle response map operations")
        void shouldHandleResponseMapOperations() {
            assertEquals(0, transport.getResponseMapSize());
            // Response map is accessible through protected field for testing

```Python
q: Union[str, None] = Query(default=None, max_length=50)
```

Cela va valider les données, montrer une erreur claire si ces dernières ne sont pas valides, et documenter le paramètre dans le schéma `OpenAPI` de cette *path operation*.

## Rajouter plus de validation

Vous pouvez aussi rajouter un second paramètre `min_length` :

{* ../../docs_src/query_params_str_validations/tutorial003.py hl[9] *}

     * Creates a new CreateForm instance.
     */
    public CreateForm() {
    }

    /** The IDs of label types associated with this file configuration. */
    public String[] labelTypeIds;

    /** The CRUD operation mode for this form. */
    @ValidateTypeFailure
    public Integer crudMode;

    /** The name of the file configuration (required, maximum 200 characters). */
    @Required
    @Size(max = 200)

        assertNull(exception.getCause());
    }

    public void test_constructorWithMessageAndCause() {
        // Test constructor with message and cause
        String message = "Storage operation failed";
        Exception cause = new RuntimeException("Underlying error");
        StorageException exception = new StorageException(message, cause);

        assertNotNull(exception);

     *
     * @return minimum size in bytes for compression to be beneficial
     */
    int getMinCompressionSize();

    /**
     * Gets the maximum data size that can be compressed in a single operation.
     *
     * @return maximum size in bytes that can be compressed
     */
    int getMaxCompressionSize();

    /**
     * Gets a human-readable name for the compression algorithm.
     *