public void Associativity()
{
var sut = new Calculator();
Prop.ForAll <int, int>((x, y) => sut.Add(x, y) == sut.Add(y, x)).QuickCheckThrowOnFailure();
}
public void Identity()
{
var sut = new Calculator();
Prop.ForAll <int>((x) => sut.Add(x, 0) == x).QuickCheckThrowOnFailure();
}
