ArithmeticException.class,
            () -> BigDecimalMath.roundToDouble(input, UNNECESSARY));
      }
    }
  }

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

  public void testRoundToDouble_oneThird() {
    new RoundToDoubleTester(

            ArithmeticException.class,
            () -> BigDecimalMath.roundToDouble(input, UNNECESSARY));
      }
    }
  }

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

  public void testRoundToDouble_oneThird() {
    new RoundToDoubleTester(

        assertThrows(
            ArithmeticException.class, () -> BigIntegerMath.roundToDouble(input, UNNECESSARY));
      }
    }
  }

  @J2ktIncompatible
  @GwtIncompatible
  public void testRoundToDouble_zero() {
    new RoundToDoubleTester(BigInteger.ZERO).setExpectation(0.0, RoundingMode.values()).test();
  }

  @J2ktIncompatible
  @GwtIncompatible
  public void testRoundToDouble_smallPositive() {