StackTraceElement[] originalStackTrace = exception.getStackTrace();
        assertNotNull(originalStackTrace);

        Throwable filled = exception.fillInStackTrace();
        assertSame(exception, filled);

        StackTraceElement[] newStackTrace = exception.getStackTrace();
        assertNotNull(newStackTrace);
    }

    @Test
    public void test_multipleInstances() {

            .and(Equivalence.equals());
    ImmutableSetMultimap<Character, Character> empty = ImmutableSetMultimap.of();
    ImmutableSetMultimap<Character, Character> filled =
        ImmutableSetMultimap.<Character, Character>builder()
            .putAll('b', Arrays.asList('a', 'n', 'a', 'n', 'a'))
            .putAll('a', Arrays.asList('p', 'p', 'l', 'e'))

            .and(Equivalence.equals());
    ImmutableListMultimap<Character, Character> empty = ImmutableListMultimap.of();
    ImmutableListMultimap<Character, Character> filled =
        ImmutableListMultimap.<Character, Character>builder()
            .putAll('b', Arrays.asList('a', 'n', 'a', 'n', 'a'))
            .putAll('a', Arrays.asList('p', 'p', 'l', 'e'))

   */
  static long load64Safely(byte[] input, int offset, int length) {
    long result = 0;
    // Due to the way we shift, we can stop iterating once we've run out of data, the rest
    // of the result already being filled with zeros.

    // This loop is critical to performance, so please check HashBenchmark if altering it.
    int limit = min(length, 8);
    for (int i = 0; i < limit; i++) {

    grant_type: the OAuth2 spec says it is required and MUST be the fixed string "password".
        This dependency is strict about it. If you want to be permissive, use instead the
        OAuth2PasswordRequestForm dependency class.
    username: username string. The OAuth2 spec requires the exact field name "username".
    password: password string. The OAuth2 spec requires the exact field name "password".

    // We're going to reuse the stimuli array 3^steps times by overwriting it
    // in a recursive loop.  Sneaky.
    if (level == stimuli.length) {
      // We've filled the array.
      compareResultsForThisListOfStimuli();
    } else {
      // Keep recursing to fill the array.
      for (Stimulus<E, ? super I> stimulus : getStimulusValues()) {
        stimuli[level] = stimulus;
        recurse(level + 1);
      }
    }

    // We're going to reuse the stimuli array 3^steps times by overwriting it
    // in a recursive loop.  Sneaky.
    if (level == stimuli.length) {
      // We've filled the array.
      compareResultsForThisListOfStimuli();
    } else {
      // Keep recursing to fill the array.
      for (Stimulus<E, ? super I> stimulus : getStimulusValues()) {
        stimuli[level] = stimulus;
        recurse(level + 1);
      }
    }

      assertFalse("Listener called more than once", wasCalled());
      called.set(true);
    }

    void expectCall() {
      assertFalse("expectCall is already true", expectCall);
      expectCall = true;
    }

    boolean wasCalled() {
      return called.get();
    }
  }

  public void testAllAsList() throws Exception {

      assertFalse("Listener called more than once", wasCalled());
      called.set(true);
    }

    void expectCall() {
      assertFalse("expectCall is already true", expectCall);
      expectCall = true;
    }

    boolean wasCalled() {
      return called.get();
    }
  }

  public void testAllAsList() throws Exception {

```

Das liegt daran, dass hochgeladene Dateien als „Formulardaten“ gesendet werden.

///

## `File` importieren { #import-file }

Importieren Sie `File` und `UploadFile` von `fastapi`:

{* ../../docs_src/request_files/tutorial001_an_py310.py hl[3] *}

## `File`-Parameter definieren { #define-file-parameters }

Erstellen Sie Datei-Parameter, so wie Sie es auch mit `Body` und `Form` machen würden: