for (int x : POSITIVE_INTEGER_CANDIDATES) {
      BigInteger expectedResult = BigIntegerMath.ceilingPowerOfTwo(BigInteger.valueOf(x));
      if (fitsInInt(expectedResult)) {
        assertEquals(expectedResult.intValue(), IntMath.ceilingPowerOfTwo(x));
      } else {
        assertThrows(ArithmeticException.class, () -> IntMath.ceilingPowerOfTwo(x));
      }
    }
  }

  public void testFloorPowerOfTwo() {

      int j = i & ARRAY_MASK;
      tmp += oldSlowFactorial(slowFactorials[j]).intValue();
    }
    return tmp;
  }

  @Benchmark
  int factorial(int reps) {
    int tmp = 0;
    for (int i = 0; i < reps; i++) {
      int j = i & ARRAY_MASK;
      tmp += BigIntegerMath.factorial(factorials[j]).intValue();
    }
    return tmp;
  }

  @Benchmark
  int binomial(int reps) {

                + "weakKeys,weakValues,expireAfterAccess=10m,expireAfterWrite=1h");
    assertEquals(10, spec.initialCapacity.intValue());
    assertEquals(20, spec.maximumSize.intValue());
    assertNull(spec.maximumWeight);
    assertEquals(30, spec.concurrencyLevel.intValue());
    assertEquals(Strength.WEAK, spec.keyStrength);
    assertEquals(Strength.WEAK, spec.valueStrength);

      int j = i & ARRAY_MASK;
      tmp += oldSlowFactorial(slowFactorials[j]).intValue();
    }
    return tmp;
  }

  @Benchmark
  int factorial(int reps) {
    int tmp = 0;
    for (int i = 0; i < reps; i++) {
      int j = i & ARRAY_MASK;
      tmp += BigIntegerMath.factorial(factorials[j]).intValue();
    }
    return tmp;
  }

  @Benchmark
  int binomial(int reps) {

                + "weakKeys,weakValues,expireAfterAccess=10m,expireAfterWrite=1h");
    assertEquals(10, spec.initialCapacity.intValue());
    assertEquals(20, spec.maximumSize.intValue());
    assertNull(spec.maximumWeight);
    assertEquals(30, spec.concurrencyLevel.intValue());
    assertEquals(Strength.WEAK, spec.keyStrength);
    assertEquals(Strength.WEAK, spec.valueStrength);

    assertEquals(1, ContiguousSet.create(Range.open(0, 4), integers()).first().intValue());
    assertEquals(
        Integer.MIN_VALUE,
        ContiguousSet.create(Range.<Integer>all(), integers()).first().intValue());
  }

  public void testLast() {
    assertEquals(3, ContiguousSet.create(Range.closed(1, 3), integers()).last().intValue());

    for (int x : POSITIVE_INTEGER_CANDIDATES) {
      BigInteger expectedResult = BigIntegerMath.ceilingPowerOfTwo(BigInteger.valueOf(x));
      if (fitsInInt(expectedResult)) {
        assertEquals(expectedResult.intValue(), IntMath.ceilingPowerOfTwo(x));
      } else {
        assertThrows(ArithmeticException.class, () -> IntMath.ceilingPowerOfTwo(x));
      }
    }
  }

  public void testFloorPowerOfTwo() {

  }

  public void testIntValue() {
    for (long a : TEST_LONGS) {
      UnsignedLong aUnsigned = UnsignedLong.fromLongBits(a);
      int intValue = aUnsigned.bigIntegerValue().intValue();
      assertThat(aUnsigned.intValue()).isEqualTo(intValue);
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // serialization
  public void testSerialization() {
    for (long a : TEST_LONGS) {

    assertEquals(1, ContiguousSet.create(Range.open(0, 4), integers()).first().intValue());
    assertEquals(
        Integer.MIN_VALUE,
        ContiguousSet.create(Range.<Integer>all(), integers()).first().intValue());
  }

  public void testLast() {
    assertEquals(3, ContiguousSet.create(Range.closed(1, 3), integers()).last().intValue());

  }

  public void testIntValue() {
    for (long a : TEST_LONGS) {
      UnsignedLong aUnsigned = UnsignedLong.fromLongBits(a);
      int intValue = aUnsigned.bigIntegerValue().intValue();
      assertThat(aUnsigned.intValue()).isEqualTo(intValue);
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // serialization
  public void testSerialization() {
    for (long a : TEST_LONGS) {