public void Error_ReturnsNone()
{
var result = ValueOrErrorExamples.IntParser(ValueOrError.WithError("xxx"));
IsFalse(result.HasValue);
}
public void IntPrefexReturnsNone_IfFollowedByJunk()
{
var result = ValueOrErrorExamples.IntParser(ValueOrError.WithValue("Int:no number here"));
IsFalse(result.HasValue);
}
public void ValueOtherThanIntPrefex_ReturnsNone()
{
var result = ValueOrErrorExamples.IntParser(ValueOrError.WithValue("xxx"));
IsFalse(result.HasValue);
}
public void IntPrefex_ReturnsInt()
{
var result = ValueOrErrorExamples.IntParser(ValueOrError.WithValue("Int:6"));
AreEqual(6, result.Value);
}