public void TryAddDuplicateItemReturnsFalse()
{
var set = new AsyncObservableKeyedSet <int, int>(param => param, Context, new[] { 1, 2, 3 });
Ensure(set.TryAddAsync(2), Is.False);
Ensure(set.Count, Is.EqualTo(3));
Ensure(set.TryAddAsync(67532), Is.True);
Ensure(set.Count, Is.EqualTo(4));
}
public void TryAddDuplicateKeyReturnsFalse()
{
var set = new AsyncObservableKeyedSet <int, int>(param => param % 5, Context, new[] { 15 });
Ensure(set.TryAddAsync(30), Is.False);
Ensure(set.Count, Is.EqualTo(1));
Ensure(set.TryAddAsync(31), Is.True);
Ensure(set.TryAddAsync(31), Is.False);
Ensure(set.TryAddAsync(33), Is.True);
Ensure(set.TryAddAsync(33), Is.False);
Ensure(set.TryAddAsync(33), Is.False);
Ensure(set.Count, Is.EqualTo(3));
Ensure(set.TryAddAsync(30), Is.False);
Ensure(Task.Run(() => set.Count), Is.EqualTo(3));
Ensure(set.TryAddAsync(32), Is.True);
Ensure(set.Count, Is.EqualTo(4));
}