assertEquals(expectedResult.intValue(), IntMath.ceilingPowerOfTwo(x));
      } else {
        assertThrows(ArithmeticException.class, () -> IntMath.ceilingPowerOfTwo(x));
      }
    }
  }

  public void testFloorPowerOfTwo() {
    for (int x : POSITIVE_INTEGER_CANDIDATES) {
      BigInteger expectedResult = BigIntegerMath.floorPowerOfTwo(BigInteger.valueOf(x));
      assertEquals(expectedResult.intValue(), IntMath.floorPowerOfTwo(x));
    }

        assertEquals(expectedResult.intValue(), IntMath.ceilingPowerOfTwo(x));
      } else {
        assertThrows(ArithmeticException.class, () -> IntMath.ceilingPowerOfTwo(x));
      }
    }
  }

  public void testFloorPowerOfTwo() {
    for (int x : POSITIVE_INTEGER_CANDIDATES) {
      BigInteger expectedResult = BigIntegerMath.floorPowerOfTwo(BigInteger.valueOf(x));
      assertEquals(expectedResult.intValue(), IntMath.floorPowerOfTwo(x));
    }

      } else {
        assertThrows(ArithmeticException.class, () -> LongMath.ceilingPowerOfTwo(x));
      }
    }
  }

  public void testFloorPowerOfTwo() {
    for (long x : POSITIVE_LONG_CANDIDATES) {
      BigInteger expectedResult = BigIntegerMath.floorPowerOfTwo(BigInteger.valueOf(x));
      assertEquals(expectedResult.longValue(), LongMath.floorPowerOfTwo(x));
    }