public static void TestAddRemoveProgressingEvent()
{
CancelProgressContext progress = new CancelProgressContext(new ProgressContext(TimeSpan.Zero));
int percent = -1;
EventHandler <ProgressEventArgs> handler = (object sender, ProgressEventArgs e) =>
{
percent = e.Percent;
};
progress.Progressing += handler;
progress.AddTotal(200);
progress.AddCount(100);
Assert.That(percent, Is.EqualTo(50), "When halfway, the percent should be 50.");
FakeRuntimeEnvironment.Instance.CurrentTiming.CurrentTiming = TimeSpan.FromSeconds(1);
progress.AddCount(50);
Assert.That(percent, Is.EqualTo(75), "150 of 200 is 75%.");
progress.Progressing -= handler;
FakeRuntimeEnvironment.Instance.CurrentTiming.CurrentTiming = TimeSpan.FromSeconds(1);
progress.AddCount(50);
Assert.That(percent, Is.EqualTo(75), "Since the event handler was removed, percent should stay the same.");
}
public static void TestRemoveCount()
{
ProgressContext progressContext = new ProgressContext(TimeSpan.Zero);
CancelProgressContext cancelContext = new CancelProgressContext(progressContext);
int percent = 0;
cancelContext.Progressing += (sender, e) =>
{
percent = e.Percent;
};
cancelContext.AddTotal(100);
cancelContext.AddCount(10);
Assert.That(percent, Is.EqualTo(10), "10 of 100 is 10%.");
cancelContext.RemoveCount(50, 10);
FakeRuntimeEnvironment.Instance.CurrentTiming.CurrentTiming = TimeSpan.FromMilliseconds(1000);
cancelContext.AddCount(10);
Assert.That(percent, Is.EqualTo(20), "10 of 50 is 20%.");
}
public static void TestCancelAddCount()
{
IProgressContext progress = new ProgressContext();
progress.NotifyLevelStart();
progress.AddTotal(100);
progress.AddCount(10);
progress = new CancelProgressContext(progress);
Assert.DoesNotThrow(() => { progress.NotifyLevelStart(); });
Assert.DoesNotThrow(() => { progress.AddTotal(50); });
progress.Cancel = true;
Assert.Throws <OperationCanceledException>(() => { progress.AddCount(10); });
Assert.DoesNotThrow(() => { progress.NotifyLevelFinished(); });
}