multiset.add("foo", 2);
    multiset.add("bar");
    assertEquals(3, multiset.size());
    assertEquals(2, multiset.count("foo"));
  }

  public void testCreateWithSize() {
    Multiset<String> multiset = HashMultiset.create(50);
    multiset.add("foo", 2);
    multiset.add("bar");
    assertEquals(3, multiset.size());
    assertEquals(2, multiset.count("foo"));
  }

            restResources {
                restTests {
                    includeCore 'foo'
                    includeXpack 'bar'
                }
            }
        """
        String apiCore1 = "foo1.json"
        String apiCore2 = "foo2.json"
        String apiXpack = "xpack.json"
        String coreTest = "foo/10_basic.yml"
        String xpackTest = "bar/10_basic.yml"

    nested.set("foo");
    assertTrue(future.isDone());
    assertFalse(future.isCancelled());
    assertThat(future.get()).isEqualTo("foo");
  }

  private static class Foo {}

  private static class FooChild extends Foo {}

  public void testSetFuture_genericsHierarchy() throws Exception {
    SettableFuture<Foo> future = SettableFuture.create();

 *
 * {@snippet :
 * Splitter.on(',').split("foo,bar,qux")
 * }
 *
 * ... produces an {@code Iterable} containing {@code "foo"}, {@code "bar"} and {@code "qux"}, in
 * that order.
 *
 * <p>By default, {@code Splitter}'s behavior is simplistic and unassuming. The following
 * expression:
 *
 * {@snippet :
 * Splitter.on(',').split(" foo,,,  bar ,")
 * }
 *

                "msg": "Field required",
                "input": {"tags": ["foo", "bar"], "with": "nothing"},
            },
            {
                "type": "missing",
                "loc": ["body", "lastname"],
                "msg": "Field required",
                "input": {"tags": ["foo", "bar"], "with": "nothing"},
            },
        ]
    }

    ).isFalse()
  }

  @Test fun defaultPath() {
    assertThat(parse("http://example.com/foo/bar".toHttpUrl(), "a=b")!!.path).isEqualTo("/foo")
    assertThat(parse("http://example.com/foo/".toHttpUrl(), "a=b")!!.path).isEqualTo("/foo")
    assertThat(parse("http://example.com/foo".toHttpUrl(), "a=b")!!.path).isEqualTo("/")
    assertThat(parse("http://example.com/".toHttpUrl(), "a=b")!!.path).isEqualTo("/")
  }

在此情況下 **FastAPI** 會期望如下的主體：

```JSON hl_lines="2"
{
    "item": {
        "name": "Foo",
        "description": "The pretender",
        "price": 42.0,
        "tax": 3.2
    }
}
```

而不是：

```JSON
{
    "name": "Foo",
    "description": "The pretender",
    "price": 42.0,
    "tax": 3.2
}
```

## 小結 { #recap }

    Foo foo = new Foo();
    try {
      WeakReference<Object> ref = new WeakReference<>(foo);
      RuntimeException expected =
          assertThrows(RuntimeException.class, () -> GcFinalization.awaitClear(ref));
      assertWrapsInterruptedException(expected);
    } finally {
      reachabilityFence(foo);
      interruptenator.shutdown();
      Thread.interrupted();

    assertThat(headers.getInstant("Test-Instant")).isEqualTo(expected)
  }

  @Test fun addParsing() {
    val headers =
      Headers
        .Builder()
        .add("foo: bar")
        .add(" foo: baz") // Name leading whitespace is trimmed.
        .add("foo : bak") // Name trailing whitespace is trimmed.
        .add("\tkey\t:\tvalue\t") // '\t' also counts as whitespace
        .add("ping:  pong  ") // Value whitespace is trimmed.

 *     fieldDesc.getFieldValue(foo); // Retrieve the value of Foo's field
 * }
 *
 * for (ConstructorDesc constructorDesc : beanDesc.getConstructorDescs()) {
 *     constructorDesc.newInstance(...); // Create an instance of Foo
 * }
 *
 * for (String methodName : beanDesc.getMethodNames()) {
 *     for (MethodDesc methodDesc : beanDesc.getMethodDescs(methodName)) {
 *         methodDesc.invoke(foo, ...); // Invoke Foo's method
 *     }