*     Character.MAX_RADIX}
   * @throws NullPointerException if {@code string} is {@code null}
   * @since 19.0
   */
  public static @Nullable Long tryParse(String string, int radix) {
    if (checkNotNull(string).isEmpty()) {
      return null;
    }
    if (radix < Character.MIN_RADIX || radix > Character.MAX_RADIX) {

        }
    }

    @Test
    public void test_provide_withSpecialCharacters() {
        // Test classification names with special characters
        assertProvideThrowsException("Test@Classification");
        assertProvideThrowsException("Test#Classification");
        assertProvideThrowsException("Test$Classification");

     */
    void write(File output, Map<String, Object> options, Settings settings) throws IOException;

    /**
     * Writes the supplied settings to the specified character writer. The writer will be automatically closed before
     * the method returns.
     *
     * @param output The writer to serialize the settings to, must not be {@code null}.

        // Verify timeout specified flag is set
        assertEquals(0x1, buffer[12]);
    }

    @Test
    @DisplayName("Test with special characters in pipe name")
    void testWithSpecialCharactersInPipeName() {
        // Test with special characters
        String pipeName = "\\\\?\\pipe\\test$pipe#name!";
        FsctlPipeWaitRequest request = new FsctlPipeWaitRequest(pipeName);

        assertNull(exception.getCause());
    }

    @Test
    public void test_constructor_withSpecialCharacters() {
        // Test with URLs containing special characters
        String parentUrl = "http://example.com/parent?query=test&id=123";
        String url = "http://example.com/child#fragment";
        ContentNotFoundException exception = new ContentNotFoundException(parentUrl, url);

`secrets.compare_digest()` needs to take `bytes` or a `str` that only contains ASCII characters (the ones in English), this means it wouldn't work with characters like `á`, as in `Sebastián`.

To handle that, we first convert the `username` and `password` to `bytes` encoding them with UTF-8.

  public void testAllWrapperTypes() {
    Set<Class<?>> wrappers = Primitives.allWrapperTypes();
    assertThat(wrappers)
        .containsExactly(
            Boolean.class,
            Byte.class,
            Character.class,
            Double.class,
            Float.class,
            Integer.class,
            Long.class,
            Short.class,
            Void.class);

public class TagForm {

    /**
     * The file or directory path associated with this tag.
     */
    @Required
    public String path;

    /**
     * The name of the tag with a maximum length of 100 characters.
     */
    @Required
    @Size(max = 100)
    public String name;

    /**
     * A map containing additional tag metadata as key-value pairs.
     */
    public Map<String, String> tags = new HashMap<>();

    assert response.json() == {
        "detail": [
            {
                "type": "string_too_short",
                "loc": ["path", "item_id"],
                "msg": "String should have at least 3 characters",
                "input": "fo",
                "ctx": {"min_length": 3},
            }
        ]
    }


def test_path_param_maxlength_foo():
    response = client.get("/path/param-maxlength/foo")

```

/// check | Vérifications

Remarquez que la valeur reçue par votre fonction (et renvoyée) est `3`, en tant qu'entier (`int`) Python, pas la chaîne de caractères « 3 ».

Ainsi, avec cette déclaration de type, **FastAPI** vous fournit automatiquement le <dfn title="conversion de la chaîne de caractères provenant d'une requête HTTP en données Python">« parsing »</dfn> de la requête.

///

## Validation de données { #data-validation }