public void Test(int iterations)
{
var finalizers = new List<IDisposable>();
var behaviorMapFinalizers = new List<IDisposable>();
var evt = new FirableEvent<int?>();
finalizers.Add(evt);
var behavior = evt.Hold(0);
finalizers.Add(behavior);
// TODO - etens isn't being used. Seems like it should be
var etens = evt.Map(x => x / 10);
finalizers.Add(etens);
var snapshotEvent = evt.Snapshot((neu, old) => neu.Equals(old) ? null : neu, behavior);
finalizers.Add(snapshotEvent);
var changeTens = snapshotEvent.Filter(x => x != null);
finalizers.Add(changeTens);
var eventOfBehaviors = changeTens.Map(tens =>
{
DisposeFinalizers(behaviorMapFinalizers);
var mapped = behavior.Map(tt => new Tuple<int?, int?>(tens, tt));
behaviorMapFinalizers.Add(mapped);
return mapped;
});
finalizers.Add(eventOfBehaviors);
var behaviorMap = behavior.Map(tt => new Tuple<int?, int?>(0, tt));
finalizers.Add(behaviorMap);
var tensTupleWrappedBehavior = eventOfBehaviors.Hold(behaviorMap);
finalizers.Add(tensTupleWrappedBehavior);
var tensTupleBehavior = tensTupleWrappedBehavior.Switch();
finalizers.Add(tensTupleBehavior);
var listener = tensTupleBehavior.SubscribeWithInitialFire(tu => { });
var i = 0;
while (i < iterations)
{
evt.Fire(i);
i++;
}
listener.Dispose();
DisposeFinalizers(finalizers);
DisposeFinalizers(behaviorMapFinalizers);
}
public void TestDelay()
{
var e = new FirableEvent<char>();
var b = e.Hold(' ');
var o = new List<char>();
var l = e.Delay().Snapshot(b).Subscribe(o.Add);
e.Fire('C');
e.Fire('B');
e.Fire('A');
l.Dispose();
AssertArraysEqual(Arrays<char>.AsList('C', 'B', 'A'), o);
}
public void Test(int iterations)
{
var sink = new FirableEvent<int>();
var obserable = sink.Hold(0);
var listener = obserable.SubscribeWithInitialFire(tt => { });
var i = 0;
while (i < iterations)
{
sink.Fire(i);
i++;
}
listener.Dispose();
}
public void TestCollect()
{
var ea = new FirableEvent<int>();
var o = new List<int>();
var sum = ea.Hold(100).Collect((a, s) => new Tuple<int, int>(a + s, a + s), 0);
var l = sum.SubscribeWithInitialFire(o.Add);
ea.Fire(5);
ea.Fire(7);
ea.Fire(1);
ea.Fire(2);
ea.Fire(3);
l.Dispose();
ea.Dispose();
sum.Dispose();
AssertArraysEqual(Arrays<int>.AsList(100, 105, 112, 113, 115, 118), o);
}
public void TestCombine()
{
var e1 = new FirableEvent<int>();
var b1 = e1.Hold(100);
var e2 = new FirableEvent<int>();
var b2 = e2.Hold(200);
var b = b1.Combine(b2, (x, y) => x + y);
var results = new List<int>();
b.SubscribeWithInitialFire(results.Add);
e1.Fire(101);
e2.Fire(250);
AssertArraysEqual(Arrays<int>.AsList(300, 301, 351), results);
}
public Form1()
{
InitializeComponent();
startBtn.Click += (o, s) => runningEvent.Fire(true);
stopBtn.Click += (o, s) =>
{
degreesSignal.Stop();
runningEvent.Fire(false);
};
frequency.ValueChanged += (o, s) => intervalChanged.Fire(frequency.Value);
degreesSignal = new Signal<double>(new AutoDouble(0.0, 0.001), Frequency.Hz(0.0), this.CreateDispatcher());
degreesSignal.Subscribe(SetDegValue);
signalTickCount = degreesSignal.Snapshot(new AutoLong());
signalTickCount.Subscribe(SetTickCount);
radiansSignal = degreesSignal.Map(d => d * RadsPerDeg);
radiansSignal.Subscribe(SetRadValue);
sineSignal = radiansSignal.Map(Math.Sin);
sineSignal.Subscribe(SetSinValue);
cosineSignal = radiansSignal.Map(Math.Cos);
cosineSignal.Subscribe(SetCosValue);
runningEvent = new FirableEvent<bool>();
runningEvent.Subscribe(r => { degreesSignal.Running = r; });
runningBehavior = runningEvent.Hold(false);
runningBehavior.SubscribeWithInitialFire(EnableControls);
intervalChanged = new FirableEvent<decimal>();
intervalBehavior = intervalChanged.Hold(frequency.Value);
intervalBehavior.Map(Frequency.Hz).SubscribeWithInitialFire(FrequencyChanged);
}
private void InitializeMouseHandler()
{
mouseButtonEvent = new FirableEvent<MouseStatus>();
mouseMoveEvent = new FirableEvent<MouseEventArgs>();
mouseButtonBehavior = mouseButtonEvent.Hold(MouseStatus.Up);
this.mouseButtonDown = new EqualityPredicate<MouseStatus>(mouseButtonBehavior, MouseStatus.Down);
mouseDragEvent = mouseMoveEvent.Gate(this.mouseButtonDown);
mouseButtonBehavior.SubscribeWithInitialFire(a =>
{
status.Text = string.Format("{0} {1}", a, DateTime.Now);
});
mouseDragEvent.Map(e => new Tuple<string, string>(e.X.ToString(), e.Y.ToString())).Subscribe(t =>
{
x.Text = t.Item1;
y.Text = t.Item2;
});
MouseMove += (s, e) => mouseMoveEvent.Fire(e);
MouseDown += (s, e) => mouseButtonEvent.Fire(MouseStatus.Down);
MouseUp += (s, e) => mouseButtonEvent.Fire(MouseStatus.Up);
}
public void TestHold()
{
var evt = new FirableEvent<int>();
var behavior = evt.Hold(0);
var results = new List<int>();
var listener = behavior.Subscribe(results.Add);
evt.Fire(2);
evt.Fire(9);
listener.Dispose();
evt.Dispose();
behavior.Dispose();
AssertArraysEqual(Arrays<int>.AsList(2, 9), results);
}
public void TestHoldIsDelayed()
{
var evt = new FirableEvent<int>();
var behavior = evt.Hold(0);
var pair = evt.Snapshot((a, b) => a + " " + b, behavior);
var results = new List<string>();
var listener = pair.Subscribe(results.Add);
evt.Fire(2);
evt.Fire(3);
listener.Dispose();
evt.Dispose();
behavior.Dispose();
pair.Dispose();
AssertArraysEqual(Arrays<string>.AsList("2 0", "3 2"), results);
}
