const BufSize = 8
	buf := new(strings.Builder)
	b := NewWriterSize(buf, BufSize)
	b.WriteString("0")                         // easy
	b.WriteString("123456")                    // still easy
	b.WriteString("7890")                      // easy after flush
	b.WriteString("abcdefghijklmnopqrstuvwxy") // hard
	b.WriteString("z")
	if err := b.Flush(); err != nil {
		t.Error("WriteString", err)
	}

        c.cookies.set("fatebook_tracker", "456")
        c.cookies.set("googall_tracker", "789")
        response = c.get("/items/")
    assert response.status_code == 200
    assert response.json() == {
        "session_id": "123",
        "fatebook_tracker": "456",
        "googall_tracker": "789",
    }


def test_cookie_param_model_defaults(client: TestClient):
    with client as c:

        c.cookies.set("fatebook_tracker", "456")
        c.cookies.set("googall_tracker", "789")
        response = c.get("/items/")
    assert response.status_code == 200
    assert response.json() == {
        "session_id": "123",
        "fatebook_tracker": "456",
        "googall_tracker": "789",
    }


def test_cookie_param_model_defaults(client: TestClient):
    with client as c:

  }

  public void testConvertAllIsView() {
    List<String> mutableList = Lists.newArrayList("789", "123");
    Iterable<Long> convertedValues = STR_TO_LONG.convertAll(mutableList);
    assertEquals(ImmutableList.of(789L, 123L), ImmutableList.copyOf(convertedValues));

    Iterator<Long> iterator = convertedValues.iterator();
    iterator.next();
    iterator.remove();
    assertEquals(ImmutableList.of("123"), mutableList);
  }

  "durations" : [ {
    "testProject" : "nowInAndroidBuild",
    "linux" : 286,
    "windows" : 427,
    "macOs" : 248
  }, {
    "testProject" : "santaTrackerAndroidBuild",
    "linux" : 649,
    "windows" : 780,
    "macOs" : 458
  } ]
}, {
  "scenario" : "org.gradle.performance.regression.android.AndroidIncrementalExecutionPerformanceTest.non-abi change",
  "durations" : [ {
    "testProject" : "nowInAndroidBuild",

                .weakKeys()
                .softValues()
                .expireAfterAccess(123, SECONDS)
                .expireAfterWrite(456, MINUTES)
                .maximumWeight(789)
                .weigher(weigher)
                .concurrencyLevel(12)
                .removalListener(listener)
                .ticker(ticker)
                .build(loader);

                .weakKeys()
                .softValues()
                .expireAfterAccess(123, SECONDS)
                .expireAfterWrite(456, MINUTES)
                .maximumWeight(789)
                .weigher(weigher)
                .concurrencyLevel(12)
                .removalListener(listener)
                .ticker(ticker)
                .build(loader);

### Translations

* 🌐 Add Russian translation for `docs/ru/docs/tutorial/cookie-params.md`. PR [#5890](https://github.com/tiangolo/fastapi/pull/5890) by [@bnzone](https://github.com/bnzone).

### Internal