// is cancelled.
    future1.cancel(false);

    // Give the second task a chance to (incorrectly) start up while the first task is running.
    // (This is the assertion that fails.)
    assertThat(future2.isDone()).isFalse();

    // Stop the first task. The second task should then run.
    blockingCallable.stop();
    executor.shutdown();

  /**
   * This counter prevents an ABA issue where a thread may successfully schedule the worker, the
   * worker runs and exhausts the queue, another thread enqueues a task and fails to schedule the
   * worker, and then the first thread's call to delegate.execute() returns. Without this counter,
   * it would observe the QUEUING state and set it to QUEUED, and the worker would never be

     * @param label key derivation label
     * @param context key derivation context
     * @param length desired key length in bytes
     * @return derived key
     * @throws GeneralSecurityException if key derivation fails
     */
    public byte[] deriveKey(byte[] baseKey, String label, byte[] context, int length) throws GeneralSecurityException {
        checkNotClosed();

Cependant, lorsque vous importez `Query`, `Path`, `Depends`, `Security` et d’autres depuis `fastapi`, ce sont en fait des fonctions qui renvoient des classes spéciales.

///

## Utiliser `SecurityScopes` { #use-securityscopes }

Mettez maintenant à jour la dépendance `get_current_user`.

* [MySQL](https://hub.docker.com/_/mysql)
* [MongoDB](https://hub.docker.com/_/mongo)
* [Redis](https://hub.docker.com/_/redis), etc.

Usando imagens de contêiner pré-prontas é muito fácil **combinar** e usar diferentes ferramentas. Por exemplo, para testar um novo banco de dados. Em muitos casos, você pode usar as **imagens oficiais**, precisando somente de variáveis de ambiente para configurá-las.

   * @return {@link InetAddress} representing the argument
   * @throws IllegalArgumentException if the argument is not a valid IP string literal or if the
   *     address has a scope ID that fails validation against the interfaces on the machine (as
   *     required by Java's {@link InetAddress})
   */
  @CanIgnoreReturnValue // TODO(b/219820829): consider removing

            update(3, charToThreeUtf8Bytes(c));
          } else {
            int codePoint = Character.codePointAt(input, i);
            if (codePoint == c) {
              // fall back to JDK getBytes instead of trying to handle invalid surrogates ourselves
              putBytes(input.subSequence(i, utf16Length).toString().getBytes(charset));
              return this;
            }
            i++;

/**
 * Returns true if new reads and writes should be attempted on this.
 *
 * Unfortunately Java's networking APIs don't offer a good health check, so we go on our own by
 * attempting to read with a short timeout. If the fails immediately we know the socket is
 * unhealthy.
 *
 * @param source the source used to read bytes from the socket.
 */
internal fun Socket.isHealthy(source: BufferedSource): Boolean =
  try {

    void testClose_throwsException() {
        doThrow(new RuntimeException("Failed to close")).when(smbTree).close();

        assertThrows(RuntimeException.class, () -> smbTree.close(), "Should propagate exception when close fails");
    }

    /**
     * Test for AutoCloseable functionality.
     * Verifies that SmbTree can be used in try-with-resources.
     */
    @Test
    void testAutoCloseable() {

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