public void Test_Using_TakeIf_With_A_Null_Predicate()
{
DummyStruct instance = new DummyStruct();
Action action = () => instance.TakeIf(null);
action.Should()
.ThrowExactly <ArgumentNullException>()
.WithMessage($"*predicate*");
}
public void Test_Using_TakeIf_With_A_False_Predicate()
{
DummyStruct instance = new DummyStruct()
{
Value = nameof(instance)
};
DummyStruct?result = instance.TakeIf(inst => inst.Value.Length == 0);
result.HasValue.Should().BeFalse();
}