public void GetTopOfChain_ReturnsTopTaskWhenNotStarted()
{
var task1 = new TPLTask(TaskEx.FromResult(true));
var task2 = new TestActionTask(Token, _ => { });
var task3 = new TestActionTask(Token, _ => { });
task1.Then(task2).Then(task3);
var top = task3.GetTopOfChain();
Assert.AreSame(task1, top);
}
public void GetTopOfChain_ReturnsTopTaskWhenNotStarted()
{
using (var test = StartTest())
{
var task1 = new TPLTask(test.TaskManager, () => Task.FromResult(true));
var task2 = new TestActionTask(test.TaskManager, _ => { });
var task3 = new TestActionTask(test.TaskManager, _ => { });
task1.Then(task2).Then(task3);
var top = task3.GetTopOfChain();
Assert.AreSame(task1, top);
}
}
public async Task GetTopOfChain_ReturnsTopMostInCreatedState()
{
var task1 = new ActionTask(Token, () => { });
await task1.StartAwait();
var task2 = new TestActionTask(Token, _ => { });
var task3 = new TestActionTask(Token, _ => { });
task1.Then(task2).Then(task3);
var top = task3.GetTopOfChain();
Assert.AreSame(task2, top);
}
public IEnumerator GetTopOfChain_ReturnsTopMostInCreatedState()
{
using (var test = StartTest())
{
var task = new ActionTask(test.TaskManager, () => { });
// wait for the tasks to finish
foreach (var frame in StartAndWaitForCompletion(task))
{
yield return(frame);
}
var task2 = new TestActionTask(test.TaskManager, _ => { });
var task3 = new TestActionTask(test.TaskManager, _ => { });
task.Then(task2).Then(task3);
var top = task3.GetTopOfChain();
Assert.AreSame(task2, top);
}
}