public async Task returns_the_current_element_when_awaited()
{
// Given
var src = new Subject<int>();
var behave = src.CacheLast();
var s1 = behave.Subscribe(_ => {});
src.OnNext(11);
// When
var current = await behave.Take(1);
// Then
current.Should().Be(11);
}
public void returns_the_current_element_when_a_new_subscription_is_made()
{
// Given
var src = new Subject<int>();
var behave = src.CacheLast();
var s1Elements = new List<int>();
var s2Elements = new List<int>();
// When
var s1 = behave.Subscribe(s1Elements.Add);
src.OnNext(1);
var s2 = behave.Subscribe(s2Elements.Add);
// Then
s1Elements.Should().Equal(1);
s2Elements.Should().Equal(1);
}