public void DivModTest() { SignedBigInteger a, b, c, d; a = new SignedBigInteger(8); b = new SignedBigInteger(3); c = a / b; d = a % b; Assert.AreEqual(false, c.Negative); Assert.AreEqual(new BigInteger(2), c.Number); Assert.AreEqual(false, d.Negative); Assert.AreEqual(new BigInteger(2), d.Number); a = new SignedBigInteger(-22); b = new SignedBigInteger(7); c = a / b; d = a % b; Assert.AreEqual(true, c.Negative); Assert.AreEqual(new BigInteger(3), c.Number); Assert.AreEqual(new BigInteger(1), d.Number); Assert.AreEqual(false, d.Negative); a = new SignedBigInteger(-8); b = new SignedBigInteger(-3); c = a / b; Assert.AreEqual(false, c.Negative); Assert.AreEqual(new BigInteger(2), c.Number); }
public void AddTest() { SignedBigInteger a, b, c; a = new SignedBigInteger(-3); b = new SignedBigInteger(6); c = a + b; Assert.AreEqual(false, c.Negative); Assert.AreEqual(new BigInteger(3), c.Number); //test for commutativity in addition Assert.AreEqual(c, b + a); a = new SignedBigInteger(-21); b = new SignedBigInteger(7); c = a + b; Assert.AreEqual(true, c.Negative); Assert.AreEqual(new BigInteger(14), c.Number); Assert.AreEqual(c, b + a); a = new SignedBigInteger(-1239480123908); b = new SignedBigInteger(-1238485585748); c = a + b; Assert.AreEqual(true, c.Negative); Assert.AreEqual(new BigInteger(2477965709656), c.Number); Assert.AreEqual(c, b + a); }
public void InitialiseTest() { SignedBigInteger a = new SignedBigInteger(-3); Assert.AreEqual(true, a.Negative); Assert.AreEqual(new BigInteger(3), a.Number); a = new SignedBigInteger(324812348123433218); Assert.AreEqual(new BigInteger(324812348123433218), a.Number); Assert.AreEqual(false, a.Negative); a = new SignedBigInteger(new BigInteger(213412341324), true); Assert.AreEqual(true, a.Negative); Assert.AreEqual(new BigInteger(213412341324), a.Number); }
public void SubtractTest() { SignedBigInteger a, b, c; a = new SignedBigInteger(145); b = new SignedBigInteger(13); c = a - b; Assert.AreEqual(false, c.Negative); Assert.AreEqual(new BigInteger(132), c.Number); Assert.AreNotEqual(c, b - a); a = new SignedBigInteger(-12); b = new SignedBigInteger(13); c = a - b; Assert.AreEqual(true, c.Negative); Assert.AreEqual(new BigInteger(25), c.Number); b = new SignedBigInteger(13); a = new SignedBigInteger(1); c = a - b; Assert.AreEqual(true, c.Negative); Assert.AreEqual(new BigInteger(12), c.Number); a = new SignedBigInteger(-13); b = new SignedBigInteger(-16); c = a - b; Assert.AreEqual(false, c.Negative); Assert.AreEqual(new BigInteger(3), c.Number); }
public void MultiplyTest() { SignedBigInteger a, b, c; a = new SignedBigInteger(3); b = new SignedBigInteger(-3); c = a * b; Assert.AreEqual(true,c.Negative); Assert.AreEqual(new BigInteger(9), c.Number); //test for commutativity in multiplication Assert.AreEqual(c, b * a); a = new SignedBigInteger(-3); b = new SignedBigInteger(-7); c = a * b; Assert.AreEqual(false, c.Negative); Assert.AreEqual(new BigInteger(21), c.Number); Assert.AreEqual(c, b * a); a = new SignedBigInteger(-1329048120948); b = new SignedBigInteger(471723838228); c = a * b; Assert.AreEqual(true, c.Negative); Assert.AreEqual(new BigInteger(471723838228) * new BigInteger(1329048120948), c.Number); Assert.AreEqual(c, b * a); }