public void AddZeroParticipants_DoesNothing()
{
var barrier = new AsyncBarrier(1);
Assert.AreEqual(1, barrier.ParticipantCount);
barrier.AddParticipants(0);
Assert.AreEqual(1, barrier.ParticipantCount);
}
public void AddParticipants_IncreasesParticipantsForCurrentPhase()
{
var barrier = new AsyncBarrier(1);
Assert.AreEqual(0, barrier.CurrentPhaseNumber);
Assert.AreEqual(1, barrier.ParticipantCount);
Assert.AreEqual(1, barrier.ParticipantsRemaining);
barrier.AddParticipants(2);
Assert.AreEqual(0, barrier.CurrentPhaseNumber);
Assert.AreEqual(3, barrier.ParticipantCount);
Assert.AreEqual(3, barrier.ParticipantsRemaining);
}
public void AddParticipants_FromZero_IncreasesParticipantsForCurrentPhase()
{
AsyncContext.Run(async () =>
{
var barrier = new AsyncBarrier(1);
Assert.AreEqual(0, barrier.CurrentPhaseNumber);
Assert.AreEqual(1, barrier.ParticipantCount);
Assert.AreEqual(1, barrier.ParticipantsRemaining);
await barrier.RemoveParticipantsAsync();
Assert.AreEqual(1, barrier.CurrentPhaseNumber);
Assert.AreEqual(0, barrier.ParticipantCount);
Assert.AreEqual(0, barrier.ParticipantsRemaining);
barrier.AddParticipants();
Assert.AreEqual(1, barrier.CurrentPhaseNumber);
Assert.AreEqual(1, barrier.ParticipantCount);
Assert.AreEqual(1, barrier.ParticipantsRemaining);
});
}
public void AddParticipants_Overflow_ThrowsException()
{
var barrier = new AsyncBarrier(int.MaxValue);
AssertEx.ThrowsException<InvalidOperationException>(() => barrier.AddParticipants());
}
