public async Task PinSubContext()
{
var targetTime = TimeSpan.FromMilliseconds(12312456);
var targetTime1 = targetTime + TimeSpan.FromMinutes(1);
var targetTime2 = targetTime + TimeSpan.FromMinutes(2);
using (ClockTimer.Pin(targetTime))
{
Task <TimeSpan> task1 = this.DelayedDate(targetTime1);
Task <TimeSpan> task2 = this.DelayedDate(targetTime2);
TimeSpan[] dates = await Task.WhenAll(task1, task2);
var timer = ClockTimer.StartNew();
timer.Stop();
var ambiantDate = timer.Elapsed;
Assert.Contains(targetTime1, dates);
Assert.Contains(targetTime2, dates);
Assert.Equal(targetTime, ambiantDate);
}
var nowtimer = ClockTimer.StartNew();
nowtimer.Stop();
var now = nowtimer.Elapsed;
// we move away from the pinned after the using statement
Assert.NotEqual(targetTime, now);
}
private static void logTime()
{
var w = ClockTimer.StartNew();
Console.Write(Clock.Now.ToString("yyyy-MM-dd HH:mm:ss.fff"));
Thread.Sleep(100);
w.Stop();
Console.WriteLine($" - in {w.Elapsed}");
}
public async Task <TimeSpan> DelayedNow(bool continueOnCapturedContext)
{
await Task.Delay(1).ConfigureAwait(continueOnCapturedContext); // to force a proper delay
var timer = ClockTimer.StartNew();
timer.Stop();
return(timer.Elapsed);
}
public async Task <TimeSpan> DelayedDate(TimeSpan pinnedDate)
{
using (ClockTimer.Pin(pinnedDate))
{
var timer = ClockTimer.StartNew();
await Task.Delay(1); // to force a proper delay
timer.Stop();
return(timer.Elapsed);
}
}
private async Task RunTest(int count)
{
var targetTime = TimeSpan.FromMilliseconds(12312456);
targetTime = targetTime + TimeSpan.FromMinutes(count);
using (ClockTimer.Pin(targetTime))
{
Task <TimeSpan> task1 = this.DelayedNow(true);
Task <TimeSpan> task2 = this.DelayedNow(false);
Task <TimeSpan> task3 = this.DelayedNow(true);
TimeSpan[] dates = await Task.WhenAll(task1, task2, task3);
Assert.All(dates, x =>
{
Assert.Equal(targetTime, x);
});
}
// we move away from the pinned after the using statement
var timer = ClockTimer.StartNew();
timer.Stop();
var now = timer.Elapsed;
Assert.NotEqual(targetTime, now);
using (ClockTimer.Pin(targetTime))
{
Task <TimeSpan> task1 = this.DelayedNow(true);
Task <TimeSpan> task2 = this.DelayedNow(false);
Task <TimeSpan> task3 = this.DelayedNow(true);
TimeSpan[] dates = await Task.WhenAll(task1, task2, task3);
Assert.All(dates, x =>
{
Assert.Equal(targetTime, x);
});
}
}
