public void ConvertStrToInt_V1()
{
var allDigitStr = ConstrainedSomething.Create("123");
var actual = ConvertStrToInt.ConvertStrToInt_V1(allDigitStr);
const int expected = 123;
Assert.AreEqual(expected, actual);
}
public void ConvertStrToInt_V2()
{
var actual = ConvertStrToInt.ConvertStrToInt_V2("123");
Assert.IsTrue(actual.HasValue);
const int expected = 123;
Assert.AreEqual(expected, actual.Value);
}
