}

  public void testCheckInRange_success() {
    MathPreconditions.checkInRangeForRoundingInputs(true, 1.0, RoundingMode.UP);
  }

  public void testCheckInRange_failure() {
    ArithmeticException expected =
        assertThrows(
            ArithmeticException.class,
            () -> MathPreconditions.checkInRangeForRoundingInputs(false, 1.0, RoundingMode.UP));
    assertThat(expected).hasMessageThat().contains("1.0");

  }

  static void checkRoundingUnnecessary(boolean condition) {
    if (!condition) {
      throw new ArithmeticException("mode was UNNECESSARY, but rounding was necessary");
    }
  }

  static void checkInRangeForRoundingInputs(boolean condition, double input, RoundingMode mode) {
    if (!condition) {
      throw new ArithmeticException(
          "rounded value is out of range for input " + input + " and rounding mode " + mode);
    }