assertThat(localCacheTwo.removalListener).isEqualTo(localCacheOne.removalListener);
    assertThat(localCacheTwo.ticker).isEqualTo(localCacheOne.ticker);

    // serialize the reconstituted version to be sure we haven't lost the ability to reserialize
    LocalLoadingCache<Object, Object> three = SerializableTester.reserialize(two);
    LocalCache<Object, Object> localCacheThree = three.localCache;

		return nil
	}
	readers := make([]*metacacheReader, len(disks))
	defer func() {
		for _, r := range readers {
			r.Close()
		}
	}()
	for i := range disks {
		r, w := io.Pipe()
		// Make sure we close the pipe so blocked writes doesn't stay around.
		defer r.CloseWithError(context.Canceled)

		readers[i] = newMetacacheReader(r)
		d := disks[i]

		// Send request to each disk.
		go func() {

                 * issue on the host. There's not much we can do about it. Just
                 * to suppress NPEs that would result we can create a possibly bogus
                 * address. Pretty sure the below cannot actually thrown a UHE tho.
                 */
                try {
                    localInetAddress = InetAddress.getByName("127.0.0.1");
                } catch (final UnknownHostException ignored) {}

Another big feature needed by APIs is data validation, making sure that the data is valid, given certain parameters. For example, that some field is an `int`, and not some random string. This is especially useful for incoming data.

    assertThat(server.takeRequest().headers["If-None-Match"]).isNull()

    // Hit that stored response. It's different, but Vary says it doesn't matter.
    Thread.sleep(10) // Make sure the timestamps are unique.
    val cacheHit =
      executeSynchronously(
        "/",
        "Accept-Language",
        "en-US",
        "Accept-Charset",
        "UTF-8",
      )

func ExecObjectLayerAPITest(args ExecObjectLayerAPITestArgs) {
	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	// reset globals.
	// this is to make sure that the tests are not affected by modified value.
	resetTestGlobals()

	objLayer, fsDir, err := prepareFS(ctx)
	if err != nil {
		args.t.Fatalf("Initialization of object layer failed for single node setup: %s", err)

      ipString = hostAddr.substring(1, hostAddr.length() - 1);
      expectBytes = 16;
    } else {
      ipString = hostAddr;
      expectBytes = 4;
    }

    // Parse the address, and make sure the length/version is correct.
    Scope scope = parseScope ? new Scope() : null;
    byte[] addr = ipStringToBytes(ipString, scope);
    if (addr == null || addr.length != expectBytes) {
      return null;
    }

   * name within that type. The constant name should be a sensible identifier that is closest to the
   * "common name" of the media. This is often, but not necessarily the same as the subtype.
   *
   * Be sure to declare all constants with the type and subtype in all lowercase. For types that
   * take a charset (e.g. all text/* types), default to UTF-8 and suffix the constant name with
   * "_UTF_8".
   */

   * backing set. The returned map does not support put operations.
   *
   * <p><b>Warning:</b> If the function rejects {@code null}, caution is required to make sure the
   * set does not contain {@code null}, because the view cannot stop {@code null} from being added
   * to the set.
   *
   * <p><b>Warning:</b> This method assumes that for any instance {@code k} of key type {@code K},

   * backing set. The returned map does not support put operations.
   *
   * <p><b>Warning:</b> If the function rejects {@code null}, caution is required to make sure the
   * set does not contain {@code null}, because the view cannot stop {@code null} from being added
   * to the set.
   *
   * <p><b>Warning:</b> This method assumes that for any instance {@code k} of key type {@code K},