assertEquals(expected.toBigInteger(), DoubleMath.roundToBigInteger(d, UNNECESSARY));
    }
  }

  @GwtIncompatible // DoubleMath.roundToBigInteger(double, RoundingMode)
  public void testRoundExactFractionalDoubleToBigIntegerFails() {
    for (double d : FRACTIONAL_DOUBLE_CANDIDATES) {
      assertThrows(ArithmeticException.class, () -> DoubleMath.roundToBigInteger(d, UNNECESSARY));
    }
  }

      assertEquals(expected.toBigInteger(), DoubleMath.roundToBigInteger(d, UNNECESSARY));
    }
  }

  @GwtIncompatible // DoubleMath.roundToBigInteger(double, RoundingMode)
  public void testRoundExactFractionalDoubleToBigIntegerFails() {
    for (double d : FRACTIONAL_DOUBLE_CANDIDATES) {
      assertThrows(ArithmeticException.class, () -> DoubleMath.roundToBigInteger(d, UNNECESSARY));
    }
  }

        .test();
  }

  @J2ktIncompatible
  @GwtIncompatible
  public void testRoundToDouble_maxDouble() {
    BigInteger maxDoubleAsBigInteger = DoubleMath.roundToBigInteger(Double.MAX_VALUE, UNNECESSARY);
    new RoundToDoubleTester(maxDoubleAsBigInteger)
        .setExpectation(Double.MAX_VALUE, RoundingMode.values())
        .test();
  }

  @J2ktIncompatible