public async Task StartAwaitSafelyAwaits()
{
var runOrder = new List <string>();
var task = new ActionTask(Token, _ => { throw new InvalidOperationException(); })
.Catch(_ => { });
await task.StartAwait(_ => { });
}
public async Task GetTopMostTaskInCreatedState()
{
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.Test_GetTopMostTaskInCreatedState();
Assert.AreSame(task2, top);
}
public async Task GetFirstStartableTask_ReturnsNullWhenItsAlreadyStarted()
{
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.Test_GetFirstStartableTask();
Assert.AreSame(task2, top);
}
public async Task TaskOnFailureGetsCalledWhenExceptionHappensUpTheChain()
{
var runOrder = new List <string>();
var exceptions = new List <Exception>();
var task = new ActionTask(Token, _ => { throw new InvalidOperationException(); })
.Then(_ => { runOrder.Add("1"); })
.Catch(ex => exceptions.Add(ex))
.Then(() => runOrder.Add("OnFailure"), runOptions: TaskRunOptions.OnFailure)
.Finally((s, e) => { }, TaskAffinity.Concurrent);
await task.StartAwait(_ => { });
CollectionAssert.AreEqual(
new string[] { typeof(InvalidOperationException).Name },
exceptions.Select(x => x.GetType().Name).ToArray());
CollectionAssert.AreEqual(
new string[] { "OnFailure" },
runOrder);
}