public static Option <OrderLineQty> AddOrderQty(OrderLineQty x, OrderLineQty y)
{
// replace void with correct return value
var z = x.Value + y.Value;
return(OrderLineQty.Create(z));
}
public void Test()
{
var x = OrderLineQty.Create(98).Value; // only use "Value" for testing! It is not safe!
var y1 = OrderLineQty.Create(1).Value;
var y2 = OrderLineQty.Create(3).Value;
var goodResult = AddOrderQty(x, y1);
var badResult = AddOrderQty(x, y2);
// write a test to check the results
Option.Match(goodResult,
some => { Assert.Pass(); return(1); }, // OK
() => { Assert.Fail(); return(0); } // fail
);
Option.Match(badResult,
some => { Assert.Fail(); return(0); }, // fail
() => { Assert.Pass(); return(1); } // OK
);
}