public void Test_MulNegative_Success()
{
Rationals.Program r1 = new Rationals.Program(-4, 2);
Rationals.Program r2 = new Rationals.Program(3, 7);
r1.r1 = r1.Mul(r2.r1);
Rationals.Program res = new Rationals.Program(-6, 7);
Assert.AreEqual(res.ToString(), r1.ToString());
}
public void Test_AddNegative_Success()
{
Rationals.Program r1 = new Rationals.Program(4, 2);
Rationals.Program r2 = new Rationals.Program(-3);
r1.r1 = r1.Add(r2.r1);
Rationals.Program res = new Rationals.Program(-1);
Assert.AreEqual(res.ToString(), r1.ToString());
}
