org.apache.commons.lang3.math.Fraction does not reduce (Integer.MIN_VALUE, 2^k)

	// additional test cases
	public void testReducedFactory_int_int() {
		// ...
		f = Fraction.getReducedFraction(Integer.MIN_VALUE, 2);
		assertEquals(Integer.MIN_VALUE / 2, f.getNumerator());
		assertEquals(1, f.getDenominator());

	public void testReduce() {
		// ...
		f = Fraction.getFraction(Integer.MIN_VALUE, 2);
		result = f.reduce();
		assertEquals(Integer.MIN_VALUE / 2, result.getNumerator());
		assertEquals(1, result.getDenominator());