@app.post("/")
async def post(
    foo: Union[Foo, None] = None,
):
    return foo


client = TestClient(app)


def test_call_invalid():
    response = client.post("/", json={"foo": {"bar": "baz"}})
    assert response.status_code == 422


def test_call_valid():
    response = client.post("/", json={})
    assert response.status_code == 200
    assert response.json() == {}

   *
   * <p>For example, if {@code rangeMap} had the entries {@code [1, 5] => "foo", (6, 8) => "bar",
   * (10, ∞) => "baz"} then {@code rangeMap.subRangeMap(Range.open(3, 12))} would return a range map
   * with the entries {@code (3, 5] => "foo", (6, 8) => "bar", (10, 12) => "baz"}.
   *
   * <p>The returned range map supports all optional operations that this range map supports, except

        """.trimIndent(),
      )
    assertThat(verifier.verify("foo.com", session)).isFalse()
    assertThat(verifier.verify("bar.com", session)).isTrue()
    assertThat(verifier.verify("a.baz.com", session)).isTrue()
    assertThat(verifier.verify("baz.com", session)).isFalse()
    assertThat(verifier.verify("a.foo.com", session)).isFalse()
    assertThat(verifier.verify("a.bar.com", session)).isFalse()

    assertThat(url.queryParameterValues("baz")).isEqualTo(listOf(null as String?))
  }

  @Test
  fun queryParametersWithEmptyValues() {
    val url = parse("http://host/?foo=&bar=&baz=")
    assertThat(url.querySize).isEqualTo(3)
    assertThat(url.queryParameterNames).containsExactlyInAnyOrder("foo", "bar", "baz")
    assertThat(url.queryParameterValue(0)).isEqualTo("")

    entry = writer.dynamicTable[tableLength - 2]!!
    checkEntry(entry, "custom-baz", "custom-header", 55)
  }

  @Test
  fun readerEviction() {
    val headerBlock =
      headerEntries(
        "custom-foo",
        "custom-header",
        "custom-bar",
        "custom-header",
        "custom-baz",
        "custom-header",
      )

    assertThrows(NegativeArraySizeException.class, () -> Atomics.newReferenceArray(-1));
  }

  public void testNewReferenceArray_withStringArray() throws Exception {
    String[] array = {"foo", "bar", "baz"};
    AtomicReferenceArray<String> refArray = Atomics.newReferenceArray(array);
    for (int i = 0; i < array.length; ++i) {
      assertEquals(array[i], refArray.get(i));
    }

        .Builder()
        .addPart(headersOf("Foo", "Bar"), "Baz".toRequestBody(null))
        .build()
    assertThat(body.parts.size).isEqualTo(1)
    val part1Buffer = Buffer()
    val part1 = body.part(0)
    part1.body.writeTo(part1Buffer)
    assertThat(part1.headers).isEqualTo(headersOf("Foo", "Bar"))
    assertThat(part1Buffer.readUtf8()).isEqualTo("Baz")
  }

  @Test
  fun nonAsciiFilename() {

Тесты:

## Фрагменты кода { #code-snippets }

//// tab | Тест

Это фрагмент кода: `foo`. А это ещё один фрагмент кода: `bar`. И ещё один: `baz quux`.

////

//// tab | Информация

Содержимое фрагментов кода должно оставаться как есть.

См. раздел `### Content of code snippets` в общем промпте в `scripts/translate.py`.

////

  @Test fun readPaddedHeadersFrame() {
    val paddingLength = 254
    val padding = ByteArray(paddingLength)
    Arrays.fill(padding, 0.toByte())
    val headerBlock = literalHeaders(headerEntries("foo", "barrr", "baz", "qux"))
    writeMedium(frame, headerBlock.size.toInt() + paddingLength + 1)
    frame.writeByte(Http2.TYPE_HEADERS)
    frame.writeByte(FLAG_END_HEADERS or FLAG_PADDED)
    frame.writeInt(expectedStreamId and 0x7fffffff)

    "name": "Bar",
    "description": "The bartenders",
    "price": 62,
    "tax": 20.2
}
```

这些值将包含在响应中。

#### 具有与默认值相同值的数据

如果数据具有与默认值相同的值，例如 ID 为 `baz` 的项：

```Python hl_lines="3  5-6"
{
    "name": "Baz",
    "description": None,
    "price": 50.2,
    "tax": 10.5,
    "tags": []
}
```