*     fetchCounters().catchingAsync(
   *         FetchException.class,
   *         e -> {
   *           if (omitDataOnFetchFailure) {
   *             return immediateFuture(0);
   *           }
   *           throw e;
   *         },
   *         directExecutor());
   * }</pre>
   *
   * <p>When selecting an executor, note that {@code directExecutor} is dangerous in some cases. See

            try {
                final Entry<K, V> n = listTable[current];
                last = current++;
                return n;
            } catch (final IndexOutOfBoundsException e) {
                throw new NoSuchElementException("current=" + current);
            }
        }

        @Override
        public void remove() {
            assertState(last != -1, "last == -1");

  }

  @SuppressWarnings("CollectionIncompatibleType")
  private void assertEntrySetNotContainsString(Set<Entry<K, V>> entrySet) {
    // Very unlikely that a buggy collection would ever return true. It might accidentally throw.
    assertFalse(entrySet.contains("foo"));
  }

  /**
   * Override this to check invariants which should hold true for a particular implementation, but

	if errCode != ErrNone {
		return cred, "", "", time.Time{}, errCode
	}

	// Verify if region is valid.
	region = signV4Values.Credential.scope.region

	// Extract date, if not present throw error.
	var dateStr string
	if dateStr = req.Header.Get("x-amz-date"); dateStr == "" {
		if dateStr = r.Header.Get("Date"); dateStr == "" {
			return cred, "", "", time.Time{}, ErrMissingDateHeader
		}
	}

/*! jQuery v2.1.1 | (c) 2005, 2014 jQuery Foundation, Inc. | jquery.org/license */

    tester.testAllPublicInstanceMethods(CharMatcher.anyOf("abc"));
  }

  private static final CharMatcher WHATEVER =
      new CharMatcher() {
        @Override
        public boolean matches(char c) {
          throw new AssertionFailedError("You weren't supposed to actually invoke me!");
        }
      };

  public void testAnyAndNone_logicalOps() throws Exception {

      }
    }

    // Unfortunately this is pasted from ImmutableCollection.Builder.
    private static int expandedCapacity(int oldCapacity, int minCapacity) {
      if (minCapacity < 0) {
        throw new AssertionError("cannot store more than MAX_VALUE elements");
      }
      // careful of overflow!
      int newCapacity = oldCapacity + (oldCapacity >> 1) + 1;
      if (newCapacity < minCapacity) {

    byte[] result = hashFunction.hash(hashes, 0);

    // interpreted in little-endian order.
    int verification = Integer.reverseBytes(Ints.fromByteArray(result));

    if (expected != verification) {
      throw new AssertionError(
          "Expected: "
              + Integer.toHexString(expected)
              + " got: "
              + Integer.toHexString(verification));
    }
  }

    private final AtomicBoolean closed = new AtomicBoolean(false);

    public MavenRepositorySystemSupplier() {}

    private void checkClosed() {
        if (closed.get()) {
            throw new IllegalStateException("Supplier is closed");
        }
    }

    private PathProcessor pathProcessor;

    public final PathProcessor getPathProcessor() {
        checkClosed();

      .assertNoMoreLogs()
  }

  @Test
  fun connectFail() {
    setLevel(Level.BASIC)
    client =
      OkHttpClient.Builder()
        .dns { hostname: String? -> throw UnknownHostException("reason") }
        .addInterceptor(applicationInterceptor)
        .build()
    try {
      client.newCall(request().build()).execute()
      fail<Any>()