public void ClearAsync()
{
IWatchListProvider provider = GetProvider();
provider.AddAsync(personA, personB).Wait();
provider.AddAsync(personA, personC).Wait();
provider.ClearAsync(personA.Identity).Wait();
IEnumerable <Person> buddies = provider.GetWatchedAsync(personA.Identity).Result;
Assert.IsNotNull(buddies);
CollectionAssert.IsEmpty(buddies);
}
public void ClearAsyncInvalid()
{
IWatchListProvider provider = GetProvider();
Assert.Throws <ArgumentNullException> (() => provider.ClearAsync(null));
}