public void CompleteAddingAnEmptyQueue()
{
using var q = new ConcurrentBufferedQueue <int, string>();
q.CompleteAdding();
q.IsAddingCompleted.Should().BeTrue();
q.IsCompleted.Should().BeTrue();
}
public void AddAfterCompletionThrowsException()
{
using var q = new ConcurrentBufferedQueue <int, string>();
q.CompleteAdding();
var addAction = new Action(() => q.Add(1, "Hallo 1"));
addAction.Should().Throw <InvalidOperationException>();
}
public void CallTakeAfterCompletingThrowsAnException()
{
using (var q = new ConcurrentBufferedQueue <int, string>(NullTime.Source))
{
var takeAction = new Action(() =>
{
var result = q.Take();
});
q.CompleteAdding();
takeAction.Should().Throw <InvalidOperationException>();
}
}
public void CallTakeAfterCompletingThrowsAnException()
{
using var q = new ConcurrentBufferedQueue <int, string>();
bool?success = null;
var takeAction = new Action(() => (success, _, _) = q.Take());
q.CompleteAdding();
takeAction();
success.HasValue.Should().BeTrue();
success.Value.Should().BeFalse();
}
public void CompletingTheBufferWhileTakeIsWaitingThrowsAnException()
{
using var q = new ConcurrentBufferedQueue <int, string>();
Task.Factory.StartNew(() =>
{
Thread.Sleep(50); // Make sure Take is called before the next line is executed
q.CompleteAdding();
});
var(success, _, _) = q.Take();
success.Should().BeFalse();
}
public void AddAfterCompletionThrowsException()
{
using (var q = new ConcurrentBufferedQueue <int, string>(NullTime.Source))
{
q.CompleteAdding();
var addAction = new Action(() =>
{
q.Add(1, "Hallo 1");
});
addAction.ShouldThrow <InvalidOperationException>();
}
}
public void CompleteAddingPropertiesWorkAsExpected()
{
using var q = new ConcurrentBufferedQueue <int, string>();
q.Add(1, "Hallo 1");
q.Add(2, "Hallo 2");
q.CompleteAdding();
q.IsAddingCompleted.Should().BeTrue();
q.IsCompleted.Should().BeFalse();
_ = q.Take();
_ = q.Take();
q.IsCompleted.Should().BeTrue();
}
public void CompletingTheBufferWhileTakeIsWaitingThrowsAnException()
{
using (var q = new ConcurrentBufferedQueue <int, string>(NullTime.Source))
{
Task.Factory.StartNew(() =>
{
Thread.Sleep(50); //Make sure Take is called before the next line is executed
q.CompleteAdding();
});
var takeAction = new Action(() =>
{
var result = q.Take();
});
takeAction.Should().Throw <InvalidOperationException>();
}
}