Interners.InternerBuilder builder = Interners.newBuilder();
    assertThrows(IllegalArgumentException.class, () -> builder.concurrencyLevel(0));
  }

  public void testConcurrencyLevel_negative() {
    Interners.InternerBuilder builder = Interners.newBuilder();
    assertThrows(IllegalArgumentException.class, () -> builder.concurrencyLevel(-42));
  }

    assertEquals(15, multimap.expectedValuesPerKey);
  }

  public void testCreateFromIllegalSizes() {
    assertThrows(IllegalArgumentException.class, () -> HashMultimap.create(-20, 15));

    assertThrows(IllegalArgumentException.class, () -> HashMultimap.create(20, -15));
  }

  public void testEmptyMultimapsEqual() {
    Multimap<String, Integer> setMultimap = HashMultimap.create();

        .isEqualTo(new short[] {(short) 1, (short) 0, (short) 0});
  }

  public void testEnsureCapacity_fail() {
    assertThrows(IllegalArgumentException.class, () -> Shorts.ensureCapacity(ARRAY1, -1, 1));
    assertThrows(IllegalArgumentException.class, () -> Shorts.ensureCapacity(ARRAY1, 1, -1));
  }

  public void testJoin() {
    assertThat(Shorts.join(",", EMPTY)).isEmpty();

   * method is equivalent to {@code string.getBytes(UTF_8).length}, but is more efficient in both
   * time and space.
   *
   * @throws IllegalArgumentException if {@code sequence} contains ill-formed UTF-16 (unpaired
   *     surrogates)
   */
  public static int encodedLength(CharSequence sequence) {
    // Warning to maintainers: this implementation is highly optimized.

  fun setPathSegmentRejectsDot() {
    val base = parse("http://host/a/b/c")
    assertFailsWith<IllegalArgumentException> {
      base.newBuilder().setPathSegment(0, ".")
    }
  }

  @Test
  fun setPathSegmentRejectsDotDot() {
    val base = parse("http://host/a/b/c")
    assertFailsWith<IllegalArgumentException> {
      base.newBuilder().setPathSegment(0, "..")
    }
  }

  @Test

   *     ranges 0..9, a..z and A..Z are always safe and should not be specified here)
   * @param plusForSpace true if ASCII space should be escaped to {@code +} rather than {@code %20}
   * @throws IllegalArgumentException if any of the parameters were invalid
   */
  public PercentEscaper(String safeChars, boolean plusForSpace) {
    // TODO(dbeaumont): Switch to static factory methods for creation now that class is final.

        Functions.compose(integerToSpanish, japaneseToInteger);

    assertEquals("Uno", japaneseToSpanish.apply("Ichi"));
    assertThrows(IllegalArgumentException.class, () -> japaneseToSpanish.apply("Ni"));
    assertEquals("Tres", japaneseToSpanish.apply("San"));
    assertThrows(IllegalArgumentException.class, () -> japaneseToSpanish.apply("Shi"));

    new EqualsTester()

  }

  public void testGetOnlyElement_noDefault_moreThanOneLessThanFiveElements() {
    Iterator<String> iterator = asList("one", "two").iterator();
    IllegalArgumentException expected =
        assertThrows(IllegalArgumentException.class, () -> getOnlyElement(iterator));
    assertThat(expected).hasMessageThat().isEqualTo("expected one element but was: <one, two>");
  }

        assertEquals(cause, exception.getCause());
    }

    public void test_constructor_withCause() {
        // Test constructor with cause only
        Throwable cause = new IllegalArgumentException("Cause exception");
        FessSystemException exception = new FessSystemException(cause);

        assertEquals(cause, exception.getCause());

            case 'c':
            case 'd':
            case 'e':
            case 'f':
                value += 10 + arr[ai] - 'a';
                break;
            default:
                throw new IllegalArgumentException(new String(arr, offset, length));
            }
            count++;
        }

        return value;
    }