public void RunAsync_RunsTasksInSequenceAndCompletesAfterAction()
{
TaskCompletionSource <bool> tcs = new TaskCompletionSource <bool>();
bool done = false;
TaskChain chain = new TaskChain(() => tcs.Task, () => done = true);
Task task = chain.RunAsync();
Assert.False(task.IsCompleted);
Assert.False(done);
tcs.SetResult(true);
Assert.True(task.IsCompleted);
Assert.False(task.IsFaulted);
Assert.True(done);
}
public void RunAsync_ExceptionInFirstTask_ThrowsExceptionSkipsAction()
{
TaskCompletionSource <bool> tcs = new TaskCompletionSource <bool>();
bool done = false;
InvalidTimeZoneException expectedException = new InvalidTimeZoneException("expected");
TaskChain chain = new TaskChain(() => tcs.Task, () => done = true);
Task task = chain.RunAsync();
tcs.SetException(expectedException);
Assert.True(task.IsCompleted);
Assert.True(task.IsFaulted);
AggregateException ae = Assert.IsType <AggregateException>(task.Exception).Flatten();
Assert.Equal(1, ae.InnerExceptions.Count);
Assert.Same(expectedException, ae.InnerExceptions[0]);
Assert.False(done);
}