new RoundToDoubleTester(BigDecimal.ZERO).setExpectation(0.0, RoundingMode.values()).test();
  }

  public void testRoundToDouble_oneThird() {
    new RoundToDoubleTester(
            BigDecimal.ONE.divide(BigDecimal.valueOf(3), new MathContext(50, HALF_EVEN)))
        .roundUnnecessaryShouldThrow()
        .setExpectation(0.33333333333333337, UP, CEILING)

  @GwtIncompatible
  public void testRoundToDouble_zero() {
    new RoundToDoubleTester(BigInteger.ZERO).setExpectation(0.0, RoundingMode.values()).test();
  }

  @J2ktIncompatible
  @GwtIncompatible
  public void testRoundToDouble_smallPositive() {
    new RoundToDoubleTester(BigInteger.valueOf(16))
        .setExpectation(16.0, RoundingMode.values())
        .test();
  }

  @J2ktIncompatible
  @GwtIncompatible