public void ResolvedWithDefaultErr_UnwrapValueThrowsException()
{
Resolved <int> resolved = Resolved.ErrAsIEnumerable(new Exception());
Assert.Throws(typeof(InvalidOperationException),
() => resolved.Unwrap());
}
public void ResolvedWithDefaultErr_ForwardErrThroughTheChain()
{
string errorMessage = "Forwarded Err";
Resolved resolved = Resolved.ErrAsIEnumerable(new Exception(errorMessage));
var result = resolved
.Match(
Ok: () => Resolved.Ok(),
Err: Behavior.Forward
)
.Match(
Ok: () => Resolved.Ok(),
Err: Behavior.Forward
)
.Match <int>(
Ok: () => Resolved.Ok(1),
Err: Behavior.Forward
);
Assert.AreEqual(typeof(Err), result.Value.GetType());
var err = (Err)result.Value;
Assert.AreEqual(err.Value.First().Message, errorMessage);
}
public void ErrAsIEnumerable_ReturnsResolvedWithDefaultErr()
{
Resolved resolved = Resolved.ErrAsIEnumerable(new Exception());
Assert.IsTrue(resolved.IsErr);
resolved.Match(
Ok: () => Assert.Fail("Unexpected error"),
Err: (err) => Assert.IsTrue(err.GetType().GetInterfaces().Contains(typeof(IEnumerable <Exception>)))
);
}