public void RaisesEventsForEachGameStateChange()
{
var expected = new[]
{
ChangeType.StatusEntry,
ChangeType.BindingPreset,
ChangeType.GraphicsConfig,
ChangeType.DeviceKeySet,
ChangeType.GameProcessState,
ChangeType.JournalEntry,
ChangeType.JournalEntry,
ChangeType.JournalEntry,
ChangeType.JournalDrain,
};
using var watcher = new GameStateWatcher(_gameRootFolder, _gameOptionsFolder, _journalFolder)
{
RaisePreStartupEvents = true,
};
var evs = new EventCollector <ChangeType>(h => watcher.Changed += h, h => watcher.Changed -= h, nameof(RaisesEventsForEachGameStateChange));
var events = evs.Wait(expected.Length, watcher.Start, 5000);
watcher.Stop();
var mismatches = expected.Except(events);
Assert.Empty(mismatches);
}
public async Task RaisesEventsForEachGameStateChange()
{
using var watcher = new GameStateWatcher(_gameRootFolder, _gameOptionsFolder, _journalFolder);
var evs = new EventCollector <EventArgs>(h => watcher.Changed += h, h => watcher.Changed -= h);
await evs.WaitAsync(10, watcher.Start, 5000).ConfigureAwait(false);
watcher.Stop();
}
public void StartAndStopAreNotReentrant()
{
using var watcher = new GameStateWatcher(_gameRootFolder, _gameOptionsFolder, _journalFolder);
bool IsRunning() => watcher.GetPrivateField <bool>("_running");
Assert.False(IsRunning());
watcher.Start();
Assert.True(IsRunning());
watcher.Start();
Assert.True(IsRunning());
watcher.Stop();
Assert.False(IsRunning());
watcher.Stop();
Assert.False(IsRunning());
}
public void RaisesEventsForEachGameStateChange()
{
using var watcher = new GameStateWatcher(_gameRootFolder, _gameOptionsFolder, _journalFolder)
{
RaisePreStartupEvents = true,
};
var evs = new EventCollector <EventArgs>(h => watcher.Changed += h, h => watcher.Changed -= h);
evs.Wait(8, watcher.Start, 5000);
watcher.Stop();
}
public void OnChangedIsNotReentrant()
{
using var watcher = new GameStateWatcher(_gameRootFolder, _gameOptionsFolder, _journalFolder)
{
RaisePreStartupEvents = false,
};
var evs = new EventCollector <ChangeType>(h => watcher.Changed += h, h => watcher.Changed -= h, nameof(OnChangedIsNotReentrant));
evs.Wait(watcher.Start, 5000);
var nOnChangedCalls = 0;
using var mre = new ManualResetEventSlim();
watcher.Changed += (sender, e) =>
{
Interlocked.Increment(ref nOnChangedCalls);
mre.Wait();
};
void OnChanged()
{
watcher.InvokePrivateMethod <object>("OnChanged", new object[] { null });
mre.Set();
}
Task.WaitAll(new[]
{
Task.Run(OnChanged),
Task.Run(OnChanged),
});
watcher.Stop();
Assert.Equal(1, nOnChangedCalls);
}