}

  public void testFixedLengthSplitZeroChunkLen() {
    assertThrows(IllegalArgumentException.class, () -> Splitter.fixedLength(0));
  }

  public void testFixedLengthSplitNegativeChunkLen() {
    assertThrows(IllegalArgumentException.class, () -> Splitter.fixedLength(-1));
  }

  public void testLimitLarge() {
    String simple = "abcd";

      HostSpecifier.fromValid(spec);
      fail("Should have thrown IllegalArgumentException: " + spec);
    } catch (IllegalArgumentException expected) {
    }

    try {
      HostSpecifier.from(spec);
      fail("Should have thrown ParseException: " + spec);
    } catch (ParseException expected) {
      assertThat(expected).hasCauseThat().isInstanceOf(IllegalArgumentException.class);
    }

   *
   * @throws IllegalArgumentException if duplicate keys are provided
   */
  public static <K, V> ImmutableMap<K, V> of(K k1, V v1, K k2, V v2) {
    return RegularImmutableMap.fromEntries(entryOf(k1, v1), entryOf(k2, v2));
  }

  /**
   * Returns an immutable map containing the given entries, in order.
   *
   * @throws IllegalArgumentException if duplicate keys are provided
   */

     * @return the corresponding WitnessEventType
     * @throws IllegalArgumentException if value is not recognized
     */
    public static WitnessEventType fromValue(int value) {
        for (WitnessEventType type : values()) {
            if (type.value == value) {
                return type;
            }
        }
        throw new IllegalArgumentException("Unknown witness event type: " + value);
    }

  }

  @Test
  public void putEdge_orderMismatch() {
    assume().that(graphIsMutable()).isTrue();

    EndpointPair<Integer> endpoints = EndpointPair.unordered(N1, N2);
    IllegalArgumentException e =
        assertThrows(IllegalArgumentException.class, () -> graphAsMutableGraph.putEdge(endpoints));
    assertThat(e).hasMessageThat().contains(ENDPOINTS_MISMATCH);
  }

  /**

   * @throws NullPointerException {@inheritDoc}
   * @throws IllegalArgumentException {@inheritDoc}
   */
  @CanIgnoreReturnValue // pushed down from class to method
  @Override
  public int drainTo(Collection<? super E> c) {
    if (c == null) throw new NullPointerException();
    if (c == this) throw new IllegalArgumentException();
    Monitor monitor = this.monitor;
    monitor.enter();
    try {

        .name("a")
        .value("b")
        .domain("example.com")

    assertThrows<IllegalArgumentException> {
      cookieBuilder.sameSite(" a").build()
    }
    assertThrows<IllegalArgumentException> {
      cookieBuilder.sameSite("a ").build()
    }
    assertThrows<IllegalArgumentException> {
      cookieBuilder.sameSite(" a ").build()
    }

    cookieBuilder.sameSite("a").build()
  }

     *
     * @param duplicateHostPager the pager containing search criteria and pagination settings
     * @return a list of DuplicateHost entities matching the search criteria
     * @throws IllegalArgumentException if duplicateHostPager is null
     */
    public List<DuplicateHost> getDuplicateHostList(final DuplicateHostPager duplicateHostPager) {

    network.addNode(N1);
    network.addNode(N2);
    IllegalArgumentException e =
        assertThrows(
            IllegalArgumentException.class,
            () -> networkForTest.edgesConnecting(N1, NODE_NOT_IN_GRAPH));
    assertNodeNotInGraphErrorMessage(e);
    e =
        assertThrows(
            IllegalArgumentException.class,
            () -> networkForTest.edgesConnecting(NODE_NOT_IN_GRAPH, N2));

      if (b != (byte) 0xff) {
        return false;
      }
    }
    return true;
  }

  private static IllegalArgumentException formatIllegalArgumentException(
      String format, Object... args) {
    return new IllegalArgumentException(String.format(Locale.ROOT, format, args));
  }