public void RecurringWorker_should_execute_tasks_periodically()
{
// Arrange
var updater = new UpdaterDouble();
var due = TimeSpan.FromMilliseconds(600);
var period = TimeSpan.FromMilliseconds(150);
var testTime = TimeSpan.FromMilliseconds(1800);
var expectedCount = 9;
var tolerance = 4;
// Act
updater.UpdatePeriodically(due, period);
Assert.AreEqual(0, updater.UpdateCount);
Delay(testTime);
// Assert
#if (DNXCORE50)
Assert.InRange(updater.UpdateCount, expectedCount - tolerance, expectedCount + tolerance);
#else
Assert.GreaterOrEqual(updater.UpdateCount, expectedCount - tolerance);
Assert.LessOrEqual(updater.UpdateCount, expectedCount + tolerance);
#endif
}
public void UpdatePeriodically_should_create_an_already_started_RecurringWorker_to_call_updater()
{
// Arrange
var updater = new UpdaterDouble();
var due = TimeSpan.FromMilliseconds(200);
var period = TimeSpan.FromMilliseconds(1000);
var testTime = TimeSpan.FromMilliseconds(400);
// Act
var worker = updater.UpdatePeriodically(due, period);
// Assert
Assert.IsNotNull(worker);
Assert.AreEqual(period, worker.Period);
Assert.AreEqual(due, worker.DueTime);
Assert.IsTrue(worker.Running);
Assert.IsFalse(worker.WorkInProgress);
Assert.AreEqual(0, updater.UpdateCount);
Delay(testTime);
Assert.AreEqual(1, updater.UpdateCount);
// Act
worker.Dispose();
// Assert
Assert.IsNotNull(worker);
Assert.AreEqual(period, worker.Period);
Assert.AreEqual(due, worker.DueTime);
Assert.IsFalse(worker.Running);
Assert.IsFalse(worker.WorkInProgress);
}
