UnsignedLong bUnsigned = UnsignedLong.fromLongBits(b);
        long expected = aUnsigned.bigIntegerValue().add(bUnsigned.bigIntegerValue()).longValue();
        UnsignedLong unsignedSum = aUnsigned.plus(bUnsigned);
        assertThat(unsignedSum.longValue()).isEqualTo(expected);
      }
    }
  }

  public void testMinus() {
    for (long a : TEST_LONGS) {
      for (long b : TEST_LONGS) {

      for (int i = 0; i < 100; i++) {
        long p = BigInteger.probablePrime(bits, rand).longValue();
        long q = BigInteger.probablePrime(bits, rand).longValue();
        assertFalse(LongMath.isPrime(p * q));
      }
    }
  }

  @GwtIncompatible // isPrime is GWT-incompatible
  public void testIsPrimeThrowsOnNegative() {
    try {
      LongMath.isPrime(-1);

  @Override
  public long longValue() {
    return toLong(value);
  }

  /**
   * Returns the value of this {@code UnsignedInteger} as a {@code float}, analogous to a widening
   * primitive conversion from {@code int} to {@code float}, and correctly rounded.
   */
  @Override
  public float floatValue() {
    return longValue();
  }

  /**

        UnsignedLong bUnsigned = UnsignedLong.fromLongBits(b);
        long expected = aUnsigned.bigIntegerValue().add(bUnsigned.bigIntegerValue()).longValue();
        UnsignedLong unsignedSum = aUnsigned.plus(bUnsigned);
        assertThat(unsignedSum.longValue()).isEqualTo(expected);
      }
    }
  }

  public void testMinus() {
    for (long a : TEST_LONGS) {
      for (long b : TEST_LONGS) {

        if (!isDigits(s)) {
            return null;
        }

        try {
            long longValue = Long.parseLong(s);
            if (longValue > Integer.MAX_VALUE) {
                return null;
            }
            return (int) longValue;
        } catch (NumberFormatException e) {
            // should never happen since checked isDigits(s) before
            return null;

      at.set(x);
      assertEquals((int) x, at.intValue());
    }
  }

  /** longValue returns current value. */
  public void testLongValue() {
    AtomicDouble at = new AtomicDouble();
    assertEquals(0L, at.longValue());
    for (double x : VALUES) {
      at.set(x);
      assertEquals((long) x, at.longValue());
    }
  }

  /** floatValue returns current value. */
  public void testFloatValue() {

        if (!arList.isEmpty()) {
            final long commitMarginTime = fessConfig.getIndexerWebfsCommitMarginTimeAsInteger().longValue();
            for (final AccessResult<?> ar : arList.toArray(new AccessResult[arList.size()])) {
                if (ar.getCreateTime().longValue() > execTime - commitMarginTime) {
                    arList.remove(ar);
                }
            }
        }

  @BeforeExperiment
  void setUp() {
    for (int i = 0; i < ARRAY_SIZE; i++) {
      positive[i] = randomPositiveBigInteger(Long.SIZE - 2).longValue();
      nonzero[i] = randomNonZeroBigInteger(Long.SIZE - 2).longValue();
      longs[i] = RANDOM_SOURCE.nextLong();
    }
  }

  @Benchmark
  int log2(int reps) {
    int tmp = 0;
    for (int i = 0; i < reps; i++) {

        () -> DiscreteDomain.integers().offset(Integer.MAX_VALUE, 1));
  }

  public void testLongsOffset() {
    assertEquals(1, DiscreteDomain.longs().offset(0L, 1).longValue());
    assertEquals(Long.MAX_VALUE, DiscreteDomain.longs().offset(0L, Long.MAX_VALUE).longValue());
  }

  public void testLongsOffsetExceptions() {
    assertThrows(IllegalArgumentException.class, () -> DiscreteDomain.longs().offset(0L, -1));
    assertThrows(

                final Set<String> permissionSet = new HashSet<>();
                final Long expiredTime = accessToken.getExpiredTime();
                if (expiredTime != null && expiredTime.longValue() > 0
                        && expiredTime.longValue() < ComponentUtil.getSystemHelper().getCurrentTimeAsLong()) {
                    throw new InvalidAccessTokenException("invalid_token",