public void WrapAndRetrieveNone()
{
IOption <int> option = FakeService.GetOption(false);
var some = (None <int>)option;
Assert.IsType <None <int> >(option);
}
public void WrapAndRetrieveSome()
{
IOption <int> option = FakeService.GetOption(true);
var some = (Some <int>)option;
Assert.IsType <Some <int> >(option);
Assert.Equal(10, some);
}
public void WrapAndRetrieveSomeWithPatternMatching()
{
IOption <int> option = FakeService.GetOption(true);
int res = 0;
switch (option)
{
case Some <int> some:
res = some;
break;
case None <int> _:
res = 0;
break;
}
Assert.IsType <Some <int> >(option);
Assert.Equal(10, res);
}
public void WrapAndRetrieveNoneWithPatternMatching()
{
IOption <int> option = FakeService.GetOption(false);
int res = 0;
switch (option)
{
case Some <int> some:
res = some;
break;
case None <int> _:
// Set it to -1 for the assert to check something different to 0.
res = -1;
break;
}
Assert.IsType <None <int> >(option);
Assert.Equal(-1, res);
}