public void ScreensChanged_ShouldFireAndResolutionShowMatchChange_WhenScreenResolutionChanges()
{
var manager = new ScreenManager();
var hasChanged = false;
IReadOnlyCollection <IScreen> updatedScreens = null;
manager.Changed += (sender, args) =>
{
hasChanged = true;
updatedScreens = args.Screens;
};
var primaryScreen = manager.GetAll().Single(screen => screen.IsPrimary);
var displayName = primaryScreen.Name;
var oldResolution = primaryScreen.Resolution;
var newResolution = primaryScreen.GetResolutions().OrderByDescending(screen => screen).Skip(1).FirstOrDefault();
_output.WriteLine("Changing resolution to: " + newResolution);
ScreenUtils.ChangeResolution(displayName, newResolution);
Thread.Sleep(1000);
hasChanged.ShouldBeTrue();
updatedScreens.ShouldNotBeNull();
updatedScreens.ShouldContain(screen => screen.IsPrimary && screen.Resolution == newResolution, 1);
_output.WriteLine("Changing resolution back to: " + oldResolution);
ScreenUtils.ChangeResolution(displayName, oldResolution);
}