* permits in a cool state, where X = rate * timeToCoolDown, and we have specified a
   * timeToWarmUp() period, it will cost as the prescribed amount of time. E.g., calling
   * [acquire(5), acquire(1)] takes exactly the same time as [acquire(2), acquire(3), acquire(1)].
   */
  public void testTimeToWarmUpIsHonouredEvenWithWeights() {
    Random random = new Random();

   * instances. Note that the instances that would get smaller are the right set to care about
   * optimizing, because the rest have the option of calling `trimmed`.
   */

  private final transient int start; // it happens that we only serialize instances where this is 0
  private final int end; // exclusive

  private ImmutableLongArray(long[] array) {

   * permits in a cool state, where X = rate * timeToCoolDown, and we have specified a
   * timeToWarmUp() period, it will cost as the prescribed amount of time. E.g., calling
   * [acquire(5), acquire(1)] takes exactly the same time as [acquire(2), acquire(3), acquire(1)].
   */
  public void testTimeToWarmUpIsHonouredEvenWithWeights() {
    Random random = new Random();

   *
   * <p>The returned iterable's iterator supports {@code remove()} if the iterator of the underlying
   * iterable supports it. Note that it is <i>not</i> possible to delete the last skipped element by
   * immediately calling {@code remove()} on that iterator, as the {@code Iterator} contract states
   * that a call to {@code remove()} before a call to {@code next()} will throw an {@link
   * IllegalStateException}.
   *

     *
     * (In addition to useForNull, we also offer skipNulls. It, too, tolerates null inputs, but its
     * tolerance is implemented differently: Its implementation avoids calling this toString(Object)
     * method in the first place.)
     */
    requireNonNull(part);
    return (part instanceof CharSequence) ? (CharSequence) part : part.toString();
  }

            assertTrue(e instanceof IOException);
            assertTrue(e.getMessage().contains("endpoint is blank"));
        }
    }

    /**
     * Test that connect() is idempotent - calling it multiple times should be safe.
     */
    public void test_connect_idempotent() throws Exception {
        URL url = new URL("storage://mybucket/object.txt");
        Handler handler = new Handler();

                    return cached.toArray(new SmbFile[0]);
                }
            }
        } catch (Exception e) {
            log.debug("Cached directory listing failed, falling back to direct query", e);
        }
        
        // Fall back to direct server query
        return directory.performDirectEnumeration();
    }
}
```

## 10. Monitoring and Metrics

   * https://github.com/square/okhttp/issues/4258
   */
  @Test
  @Throws(Exception::class)
  fun webSocketConnectionIsReleased() {
    // This test assumes HTTP/1.1 pooling semantics.
    client =
      client
        .newBuilder()
        .protocols(Arrays.asList(Protocol.HTTP_1_1))
        .build()
    webServer.enqueue(
      MockResponse
        .Builder()

   * surprising behavior of {@code toUpperCase()} and {@code toLowerCase()}.
   *
   * @since 16.0
   */
  public static boolean equalsIgnoreCase(CharSequence s1, CharSequence s2) {
    // Calling length() is the null pointer check (so do it before we can exit early).
    int length = s1.length();
    if (s1 == s2) {
      return true;
    }
    if (length != s2.length()) {
      return false;
    }

  }

  private static final class CustomFunnel implements Funnel<Long> {
    @Override
    public void funnel(Long value, PrimitiveSink into) {
      into.putLong(value);
    }

    @Override
    public boolean equals(@Nullable Object object) {
      return object instanceof CustomFunnel;
    }

    @Override
    public int hashCode() {
      return 42;