public void TestFilter()
{
var e = new FirableEvent<char>();
var o = new List<char>();
var l = (e & (char.IsUpper)).Subscribe(o.Add);
e.Fire('H');
e.Fire('o');
e.Fire('I');
l.Dispose();
AssertArraysEqual(Arrays<char>.AsList('H', 'I'), o);
}
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();
}
private void InitializeMouseHandler()
{
// Initialize the Sodium Event
evt = new FirableEvent<MouseEventArgs>();
formattedEvent = evt.Map(e => new Tuple<string, string>(e.X.ToString(), e.Y.ToString()));
formattedEvent.Subscribe(t =>
{
x.Text = t.Item1;
y.Text = t.Item2;
});
// Register the mouse move event to fire on the Potassium.Event
MouseMove += (s, e) => evt.Fire(e);
}
public void TestAccum()
{
var ea = new FirableEvent<int>();
var o = new List<int>();
var sum = ea.Accum((a, s) => a + s, 100);
var l = sum.Subscribe(o.Add);
ea.Fire(5);
ea.Fire(7);
ea.Fire(1);
ea.Fire(2);
ea.Fire(3);
l.Dispose();
AssertArraysEqual(Arrays<int>.AsList(105, 112, 113, 115, 118), o);
}
public void TestCollect()
{
var ea = new FirableEvent<int>();
var o = new List<int>();
var sum = ea.Collect((a, s) => new Tuple<int, int>(a + s, a + s), 100);
var l = sum.Subscribe(o.Add);
ea.Fire(5);
ea.Fire(7);
ea.Fire(1);
ea.Fire(2);
ea.Fire(3);
l.Dispose();
AssertArraysEqual(Arrays<int>.AsList(105, 112, 113, 115, 118), o);
}
public void TestCoalesce()
{
var e1 = new FirableEvent<int>();
var e2 = new FirableEvent<int>();
var o = new List<int>();
var evt2 = e1.Map(x => x * 100);
var evt = evt2 | e2;
var l = e1.Merge(evt)
.Coalesce((a, b) => a + b)
.Subscribe(o.Add);
e1.Fire(2);
e1.Fire(8);
e2.Fire(40);
l.Dispose();
AssertArraysEqual(Arrays<int>.AsList(202, 808, 40), 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 void Test(int iterations)
{
var evt = new FirableEvent<int>();
var et = new Event<int>();
var behavior = et.Hold(0);
var eventOfBehaviors = evt.Map(x => behavior).Hold(behavior);
var observable = eventOfBehaviors.Switch();
var l = observable.SubscribeWithInitialFire(tt => { });
var i = 0;
while (i < iterations)
{
evt.Fire(i);
i++;
}
l.Dispose();
}
public void TestApply()
{
var pbf = new FirableEvent<Func<long, string>>();
var bf = new Behavior<Func<long, string>>(b => "1 " + b, pbf);
var pba = new FirableEvent<long>();
var ba = new Behavior<long>(5L, pba);
var results = new List<string>();
var apply = Functor.Apply(bf, ba);
var listener = apply.SubscribeWithInitialFire(results.Add);
pbf.Fire(b => "12 " + b);
pba.Fire(6L);
listener.Dispose();
apply.Dispose();
bf.Dispose();
ba.Dispose();
AssertArraysEqual(Arrays<string>.AsList("1 5", "12 5", "12 6"), results);
}
public void Test(int iterations)
{
var evt = new FirableEvent<int>();
Event<int> nestedEvent = new Event<int>();
var behaviorOfEvents = evt.Map(x => nestedEvent).Hold(nestedEvent);
var observable = behaviorOfEvents.Switch();
var listen = observable.Subscribe(tt => { });
var i = 0;
while (i < iterations)
{
evt.Fire(i);
i++;
}
listen.Dispose();
observable.Dispose();
}
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 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);
}
public void TestMap()
{
var e = new FirableEvent<int>();
var m = e.Map(x => x.ToString(CultureInfo.InvariantCulture));
var o = new List<string>();
var l = m.Subscribe(o.Add);
e.Fire(5);
l.Dispose();
AssertArraysEqual(Arrays<string>.AsList("5"), o);
}
public void TestMapBLateListen()
{
var publisher = new FirableEvent<int>();
var behavior = new Behavior<int>(6, publisher);
var results = new List<string>();
var map = behavior.Map(x => x.ToString(CultureInfo.InvariantCulture));
publisher.Fire(2);
var listener = map.SubscribeWithInitialFire(results.Add);
publisher.Fire(8);
listener.Dispose();
map.Dispose();
behavior.Dispose();
AssertArraysEqual(Arrays<string>.AsList("2", "8"), results);
}
public void TestMapB3()
{
var publisher = new FirableEvent<int>();
var behavior = new Behavior<int>(1, publisher);
var behavior1 = behavior.Map(x => x * 3);
var results = new List<int>();
var listener = behavior1.SubscribeWithInitialFire(results.Add);
publisher.Fire(2);
listener.Dispose();
behavior.Dispose();
AssertArraysEqual(Arrays<int>.AsList(3, 6), results);
}
public void TestRepeat1()
{
FirableEvent<int> src = new FirableEvent<int>();
var r = src.Repeat();
var o = new List<int>();
var s = r.Subscribe(o.Add);
src.Fire(1);
src.Fire(2);
src.Fire(3);
AssertArraysEqual(Arrays<int>.AsList(1,2,3), o);
s.Dispose();
r.Dispose();
src.Dispose();
}
public void TestRepeat2()
{
var ea = new FirableEvent<int>();
var eb = new EventRepeater<int>();
var evt = ea.Map(x => x % 10);
var ec = evt.Merge(eb).Coalesce((x, y) => x + y);
var ebO = ea.Map(x => x / 10) & (x => x != 0);
eb.Repeat(ebO);
var o = new List<int>();
var l = ec.Subscribe(o.Add);
ea.Fire(2);
ea.Fire(52);
l.Dispose();
AssertArraysEqual(Arrays<int>.AsList(2, 7), o);
}
public void TestSnapshot()
{
var publisher = new FirableEvent<int>();
var behavior = new Behavior<int>(0, publisher);
var evt = new FirableEvent<long>();
var results = new List<string>();
Func<long, int, string> snapshotFunction = (x, y) => string.Format("{0} {1}", x, y);
var listener = evt.Snapshot(snapshotFunction, behavior).Subscribe(results.Add);
evt.Fire(100L);
publisher.Fire(2);
evt.Fire(200L);
publisher.Fire(9);
publisher.Fire(1);
evt.Fire(300L);
listener.Dispose();
behavior.Dispose();
evt.Dispose();
AssertArraysEqual(Arrays<string>.AsList("100 0", "200 2", "300 1"), results);
}
public void TestPublishEvent()
{
var e = new FirableEvent<int>();
var o = new List<int>();
var l = e.Subscribe(o.Add);
e.Fire(5);
l.Dispose();
AssertArraysEqual(Arrays<int>.AsList(5), o);
e.Fire(6);
AssertArraysEqual(Arrays<int>.AsList(5), o);
}
public void TestMergeSimultaneous()
{
var e = new FirableEvent<int>();
var o = new List<int>();
var l = e.Merge(e).Subscribe(o.Add);
e.Fire(7);
e.Fire(9);
l.Dispose();
AssertArraysEqual(Arrays<int>.AsList(7, 7, 9, 9), o);
}
public void TestOnce()
{
var e = new FirableEvent<char>();
var o = new List<char>();
var l = e.Once().Subscribe(o.Add);
e.Fire('A');
e.Fire('B');
e.Fire('C');
l.Dispose();
AssertArraysEqual(Arrays<char>.AsList('A'), o);
}
public void TestLiftGlitch()
{
var publisher = new FirableEvent<int>();
var behavior = new Behavior<int>(1, publisher);
var mappedBehavior1 = behavior.Map(x => x * 3);
var mappedBehavior2 = behavior.Map(x => x * 5);
var results = new List<string>();
var combinedBehavior = Functor.Lift((x, y) => x + " " + y, mappedBehavior1, mappedBehavior2);
var listener = combinedBehavior.SubscribeWithInitialFire(results.Add);
publisher.Fire(2);
listener.Dispose();
behavior.Dispose();
AssertArraysEqual(Arrays<string>.AsList("3 5", "6 10"), results);
}
public void TestFilterNotNull()
{
var e = new FirableEvent<string>();
var o = new List<string>();
var l = e.Filter(x => x != null).Subscribe(o.Add);
e.Fire("tomato");
e.Fire(null);
e.Fire("peach");
l.Dispose();
AssertArraysEqual(Arrays<string>.AsList("tomato", "peach"), o);
}
public void TestSwitchB()
{
var sink = new FirableEvent<Sb>();
// Split each field o of SB so we can update multiple behaviors in a
// single transaction.
var behaviorA = sink.Map(s => s.C1).Filter(x => x != null).Hold('A');
var behaviorB = sink.Map(s => s.C2).Filter(x => x != null).Hold('a');
var bsw = sink.Map(s => s.Behavior).Filter(x => x != null).Hold(behaviorA);
var behavior = bsw.Switch();
var results = new List<char>();
var listener = behavior.SubscribeWithInitialFire(c =>
{
Assert.IsNotNull(c, "c != null");
results.Add(c.Value);
});
sink.Fire(new Sb('B', 'b', null));
sink.Fire(new Sb('C', 'c', behaviorB));
sink.Fire(new Sb('D', 'd', null));
sink.Fire(new Sb('E', 'e', behaviorA));
sink.Fire(new Sb('F', 'f', null));
sink.Fire(new Sb(null, null, behaviorB));
sink.Fire(new Sb(null, null, behaviorA));
sink.Fire(new Sb('G', 'g', behaviorB));
sink.Fire(new Sb('H', 'h', behaviorA));
sink.Fire(new Sb('I', 'i', behaviorA));
listener.Dispose();
behaviorA.Dispose();
behaviorB.Dispose();
bsw.Dispose();
behavior.Dispose();
AssertArraysEqual(Arrays<char>.AsList('A', 'B', 'c', 'd', 'E', 'F', 'f', 'F', 'g', 'H', 'I'), results);
}
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 TestSwitchE()
{
var ese = new FirableEvent<Se>();
var ea = ese.Map(s => s.C1);
var eb = ese.Map(s => s.C2);
var tmp1 = ese.Map(s => s.Event);
var tmp2 = tmp1.Filter(x => x != null);
var bsw = tmp2.Hold(ea);
var o = new List<char>();
var eo = bsw.Switch();
var l = eo.Subscribe(o.Add);
ese.Fire(new Se('A', 'a', null));
ese.Fire(new Se('B', 'b', null));
ese.Fire(new Se('C', 'c', eb));
ese.Fire(new Se('D', 'd', null));
ese.Fire(new Se('E', 'e', ea));
ese.Fire(new Se('F', 'f', null));
ese.Fire(new Se('G', 'g', eb));
ese.Fire(new Se('H', 'h', ea));
ese.Fire(new Se('I', 'i', ea));
l.Dispose();
ese.Dispose();
ea.Dispose();
eb.Dispose();
bsw.Dispose();
eo.Dispose();
AssertArraysEqual(Arrays<char>.AsList('A', 'B', 'C', 'd', 'e', 'F', 'G', 'h', 'I'), o);
}
public void TestGate()
{
var enabled = new IdentityPredicate(true);
var ec = new FirableEvent<char>();
var epred = new QueryPredicate(() => enabled.Value);
var o = new List<char>();
var l = ec.Gate(epred).Subscribe(o.Add);
ec.Fire('H');
enabled = new IdentityPredicate(false);
ec.Fire('O');
enabled = new IdentityPredicate(true);
ec.Fire('I');
l.Dispose();
AssertArraysEqual(Arrays<char>.AsList('H', 'I'), o);
}
public void TestMergeNonSimultaneous()
{
var e1 = new FirableEvent<int>();
var e2 = new FirableEvent<int>();
var o = new List<int>();
var l = e1.Merge(e2).Subscribe(o.Add);
e1.Fire(7);
e2.Fire(9);
e1.Fire(8);
l.Dispose();
AssertArraysEqual(Arrays<int>.AsList(7, 9, 8), o);
}