public void Run_invokes_actions_of_dependencies_before_dependent()
{
var queue = new ConcurrentQueue <int>();
var dependency = new TaskGraph(() => queue.Enqueue(1));
var graph = new TaskGraph(() => queue.Enqueue(2), dependency);
graph.Run();
Assert.AreEqual(new[] { 1, 2 }, queue);
}
public void Run_invokes_each_task_only_once()
{
var actionA = new Mock <Action>();
var taskA = new TaskGraph(actionA.Object, ImmutableArray <TaskGraph> .Empty);
var taskB = new TaskGraph(() => { }, ImmutableArray.Create(taskA, taskA));
var taskC = new TaskGraph(() => { }, ImmutableArray.Create(taskB, taskB));
taskC.Run();
actionA.Verify(a => a(), Times.Once);
}