public void TestRealNumberSubstract()
{
RealNumber a = new RealNumber(5);
RealNumber b = new RealNumber(15);
RealNumber c = new RealNumber(10);
b = b.Subtract(a) as RealNumber;
Assert.True(b.CompareTo(c) == 0);
}
public void SubstractTest()
{
var testVar2 = new RealNumber(1);
_testVar = new RealNumber(3);
_testVar = _testVar.Subtract(testVar2);
Assert.Equal(2, _testVar.Real);
}
