* accommodate as many threads as will ever concurrently modify the table. Using a significantly
   * higher value than you need can waste space and time, and a significantly lower value can lead
   * to thread contention. But overestimates and underestimates within an order of magnitude do not
   * usually have much noticeable impact. A value of one permits only one thread to modify the cache

      if (value instanceof CharSequence) {
        return ((CharSequence) value).length() == 0;
      } else if (value instanceof Collection) {
        return ((Collection<?>) value).isEmpty();
      } else if (value instanceof Map) {
        return ((Map<?, ?>) value).isEmpty();
      } else if (value instanceof Optional) {
        return !((Optional) value).isPresent();
      } else if (value.getClass().isArray()) {

    BigDecimal maxDoubleAsBigDecimal = new BigDecimal(Double.MAX_VALUE);
    new RoundToDoubleTester(maxDoubleAsBigDecimal)
        .setExpectation(Double.MAX_VALUE, values())
        .test();
  }

  public void testRoundToDouble_maxDoublePlusOne() {
    BigDecimal maxDoubleAsBigDecimal = new BigDecimal(Double.MAX_VALUE).add(BigDecimal.ONE);
    new RoundToDoubleTester(maxDoubleAsBigDecimal)

      }
    }
  }

  public void testSaturatedAbs() {
    assertEquals(Long.MAX_VALUE, LongMath.saturatedAbs(Long.MIN_VALUE));
    assertEquals(Long.MAX_VALUE, LongMath.saturatedAbs(Long.MAX_VALUE));
    assertEquals(Long.MAX_VALUE, LongMath.saturatedAbs(-Long.MAX_VALUE));
    assertEquals(0, LongMath.saturatedAbs(0));
    assertEquals(1, LongMath.saturatedAbs(1));

    ms.add("a", Integer.MAX_VALUE);
    ms.add("b", Integer.MAX_VALUE);
    ms.add("c", 3);

    assertEquals(Integer.MAX_VALUE, ms.count("a"));
    assertEquals(Integer.MAX_VALUE, ms.count("b"));
    assertEquals(3, ms.count("c"));

    assertEquals(Integer.MAX_VALUE, ms.headMultiset("c", CLOSED).size());
    assertEquals(Integer.MAX_VALUE, ms.headMultiset("b", CLOSED).size());

      int n = rand.nextInt(Integer.MAX_VALUE);
      assertEquals(LongMath.isPrime(n), IntMath.isPrime(n));
    }
  }

  public void testSaturatedAbs() {
    assertEquals(Integer.MAX_VALUE, IntMath.saturatedAbs(Integer.MIN_VALUE));
    assertEquals(Integer.MAX_VALUE, IntMath.saturatedAbs(Integer.MAX_VALUE));
    assertEquals(Integer.MAX_VALUE, IntMath.saturatedAbs(-Integer.MAX_VALUE));
    assertEquals(0, IntMath.saturatedAbs(0));

        ImmutableList.of(
            Striped.lazyWeakLock(Integer.MAX_VALUE),
            Striped.lazyWeakSemaphore(Integer.MAX_VALUE, Integer.MAX_VALUE),
            Striped.lazyWeakReadWriteLock(Integer.MAX_VALUE))) {
      for (int i = 0; i < 3; i++) {
        // doesn't throw exception
        Object unused = striped.getAt(Integer.MAX_VALUE - i);
      }
    }
  }

        ImmutableList.of(
            Striped.lazyWeakLock(Integer.MAX_VALUE),
            Striped.lazyWeakSemaphore(Integer.MAX_VALUE, Integer.MAX_VALUE),
            Striped.lazyWeakReadWriteLock(Integer.MAX_VALUE))) {
      for (int i = 0; i < 3; i++) {
        // doesn't throw exception
        Object unused = striped.getAt(Integer.MAX_VALUE - i);
      }
    }
  }

            new long[] {MIN_VALUE, 1L},
            new long[] {1L},
            new long[] {1L, MIN_VALUE},
            new long[] {MAX_VALUE, MAX_VALUE - 1L},
            new long[] {MAX_VALUE, MAX_VALUE},
            new long[] {MAX_VALUE, MAX_VALUE, MAX_VALUE});

    Comparator<long[]> comparator = Longs.lexicographicalComparator();
    Helpers.testComparator(comparator, ordered);
  }

  @J2ktIncompatible

    new RoundToDoubleTester(maxDoubleAsBigInteger)
        .setExpectation(Double.MAX_VALUE, values())
        .test();
  }

  @J2ktIncompatible
  @GwtIncompatible
  public void testRoundToDouble_maxDoublePlusOne() {
    BigInteger maxDoubleAsBigInteger =
        DoubleMath.roundToBigInteger(Double.MAX_VALUE, UNNECESSARY).add(BigInteger.ONE);