public void RationalGetHashCodeTest() { using (var a = new HugeRational("-222509832503450298345029835740293845721/115756986668303657898962467957")) { Assert.AreNotEqual(0, a.GetHashCode()); Assert.AreEqual(a.GetHashCode(), (a + 0).GetHashCode()); Assert.AreNotEqual(a.GetHashCode(), (-a).GetHashCode()); } }