public void ExternalResult_IsReturned_WhenReturnedEarly()
{
var task = NeverZero.ToTask(this.Executor);
Assert.IsFalse(task.IsCompleted);
this.completionSource.SetResult(42);
Assert.AreEqual(42, task.AssertSynchronousResult());
}
private void AssertErrorDetailsAfterOneSecond(
ITestInstruction <object> instruction,
[RegexPattern] string regex)
{
var task = instruction.ToTask(this.Executor);
this.Scheduler.AdvanceFrame(OneSecond);
var exception = GetFailureException(task);
Assert.That(exception.Message, Does.Match($"(?s:{regex})"));
var multipleFailuresDescription =
$"Should contain only singe failure details, but was:\n{exception.Message}";
Assert.AreEqual(
1,
Regex.Matches(exception.Message, "Failed with").Count,
multipleFailuresDescription);
Assert.AreEqual(
1,
Regex.Matches(exception.Message, "Test operation stack").Count,
multipleFailuresDescription);
}
private void AssertEqual <T>(ITestInstruction <T> left, ITestInstruction <T> right)
=> Assert.AreEqual(
left.ToTask(this.Executor).AssertSynchronousResult(),
right.ToTask(this.Executor).AssertSynchronousResult());