assertThat(nextBigger).isGreaterThan(BigInteger.valueOf(Long.MAX_VALUE));
  }

  @GwtIncompatible // TODO
  public void testConstantsSqrtMaxLong() {
    assertEquals(
        /* expected= */ LongMath.sqrt(Long.MAX_VALUE, FLOOR),
        /* actual= */ LongMath.FLOOR_SQRT_MAX_LONG);
  }

  @GwtIncompatible // TODO