IllegalArgumentException expected =
        assertThrows(IllegalArgumentException.class, () -> getOnlyElement(iterator));
    assertThat(expected).hasMessageThat().isEqualTo("expected one element but was: <one, two>");
  }

  public void testGetOnlyElement_noDefault_fiveElements() {
    Iterator<String> iterator = asList("one", "two", "three", "four", "five").iterator();
    IllegalArgumentException expected =

    maybePropagateCancellationTo(delegate);

    @RetainedLocalRef Future<?> localTimer = timer;
    // Try to cancel the timer as an optimization.
    // timer may be null if this call to run was by the timer task since there is no happens-before
    // edge between the assignment to timer and an execution of the timer task.
    if (localTimer != null) {
      localTimer.cancel(false);
    }

        "price": 42.0,
        "tax": 3.2
    },
    "user": {
        "username": "dave",
        "full_name": "Dave Grohl"
    }
}
```

/// note

Notice that even though the `item` was declared the same way as before, it is now expected to be inside of the body with a key `item`.

///

## `Path`-, `Query`- und Body-Parameter vermischen

Zuerst einmal, Sie können `Path`-, `Query`- und Requestbody-Parameter-Deklarationen frei mischen und **FastAPI** wird wissen, was zu tun ist.

Und Sie können auch Body-Parameter als optional kennzeichnen, indem Sie den Defaultwert auf `None` setzen:

//// tab | Python 3.10+

```Python hl_lines="18-20"

     * <p>
     * Note: For reasons not fully understood, <tt>FLAGS_INHERITED</tt> may
     * not be set within all security descriptors even though the ACE was in
     * face inherited. If an inherited ACE is added to a parent the Windows
     * ACL editor will rebuild all children ACEs and set this flag accordingly.
     */
    public boolean isInherited() {

                            HttpServletResponse.SC_UNAUTHORIZED);
                });
            }

            // assert
            if (null == principal) {
                final String msg = "Principal was null.";
                if (logger.isDebugEnabled()) {
                    logger.debug(msg);
                }
                throw new SsoLoginException(msg);
            }

        ArtifactResolutionResult res = collect(createSet(new Object[] {a.artifact, b.artifact}), filter);
        Artifact artifact = getArtifact("d", res.getArtifacts());
        assertNotNull(artifact, "MNG-1895 Dependency was not added to resolution");
        assertEquals(expectedScope, artifact.getScope(), "Check artifactScope");
        assertEquals(expectedVersion, artifact.getVersion(), "Check version");

   *
   * <p>Note that if the given output stream was not empty or is modified after the {@code
   * ByteArrayDataOutput} is created, the contract for {@link ByteArrayDataOutput#toByteArray} will
   * not be honored (the bytes returned in the byte array may not be exactly what was written via
   * calls to {@code ByteArrayDataOutput}).
   *
   * @since 17.0
   */

  // serving this Ingress resource, by a transitive connection
  // (controller -> IngressClass -> Ingress resource). Although the
  // `kubernetes.io/ingress.class` annotation (simple constant name) was never
  // formally defined, it was widely supported by Ingress controllers to create
  // a direct binding between Ingress controller and Ingress resources. Newly
  // created Ingress resources should prefer using the field. However, even

      service.shutdown();
    }
    assertThat(holder.count).isEqualTo(ITERATION_COUNT);
    for (int length : completeLengthChecks) {
      // Verify that at max depth, less than one stack frame per submitted task was consumed
      assertThat(length - baseStackDepth).isLessThan(DIRECT_EXECUTIONS_PER_THREAD / 2);
    }
  }

  @SuppressWarnings("ObjectToString") // Intended behavior
  public void testToString() {