public void It_sleeps_for_the_expected_time(int expectedDurationMilliseconds)
{
var waiter = new ThreadSleepWaiter();
var start = DateTime.UtcNow;
var expectedDuration = TimeSpan.FromMilliseconds(expectedDurationMilliseconds);
waiter.Wait(expectedDuration);
var actualWait = DateTime.UtcNow - start;
const int tolleranceMilliseconds = 10;
Assert.That(actualWait, Is.InRange(expectedDuration, expectedDuration + TimeSpan.FromMilliseconds(tolleranceMilliseconds)));
}
public void It_sleeps_for_the_expected_time(int expectedDurationMilliseconds)
{
var waiter = new ThreadSleepWaiter();
var stopWatch = Stopwatch.StartNew();
var expectedDuration = TimeSpan.FromMilliseconds(expectedDurationMilliseconds);
waiter.Wait(expectedDuration);
var actualWait = stopWatch.ElapsedMilliseconds;
const int toleranceMilliseconds = ThreadSleepAccuracyMilliseconds;
Assert.That(actualWait, Is.InRange(expectedDurationMilliseconds - toleranceMilliseconds,
expectedDurationMilliseconds + toleranceMilliseconds));
}