public void AddOnce_SignalWithNoTypeGivenSameCallbackMultipleTimes_ExpectsDelegateCalledOnlyOnce()
{
Signal signal = new Signal();
intToIncrement = 0;
signal.AddOnce(SimpleSignalCallback);
signal.AddOnce(SimpleSignalCallback);
signal.Dispatch();
Assert.AreEqual(1, intToIncrement);
}
public void AddOnce_SignalWithOneTypeGivenSameCallbackMultipleTimes_ExpectsDelegateCalledOnlyOnce()
{
Signal <int> signal = new Signal <int>();
testInt = 42;
signal.AddOnce(OneArgSignalCallback);
signal.AddOnce(OneArgSignalCallback);
signal.Dispatch(testInt);
Assert.AreEqual(testInt, testValue);
}
public void TestRemoveAllRemovesOnce()
{
Signal signal = new Signal();
signal.AddOnce(NoArgSignalCallback);
signal.AddOnce(NoArgSignalCallbackTwo);
signal.RemoveAllListeners();
signal.Dispatch();
Assert.AreEqual(0, testValue);
}
public void AddOnce_SignalWithFourTypesGivenSameCallbackMultipleTimes_ExpectsDelegateCalledOnlyOnce()
{
Signal <int, int, int, int> signal = new Signal <int, int, int, int>();
this.CreateFourInts();
signal.AddOnce(FourArgCallback);
signal.AddOnce(FourArgCallback);
signal.Dispatch(testInt, testIntTwo, testIntThree, testIntFour);
int expected = this.GetFourIntExpected();
Assert.AreEqual(expected, this.testValue);
}
public void TestFourArgSignal()
{
Signal <int, int, int, int> signal = new Signal <int, int, int, int>();
int intendedResult = ((testInt + testIntTwo) * testIntThree) - testIntFour;
signal.AddListener(FourArgSignalCallback);
signal.Dispatch(testInt, testIntTwo, testIntThree, testIntFour);
Assert.AreEqual(intendedResult, testValue);
signal.RemoveListener(FourArgSignalCallback);
signal.Dispatch(testInt, testIntTwo, testIntThree, testIntFour);
Assert.AreEqual(intendedResult, testValue); //no-op due to remove
intendedResult += testInt;
intendedResult += testIntTwo;
intendedResult *= testIntThree;
intendedResult -= testIntFour;
signal.AddOnce(FourArgSignalCallback);
signal.Dispatch(testInt, testIntTwo, testIntThree, testIntFour);
Assert.AreEqual(intendedResult, testValue);
signal.Dispatch(testInt, testIntTwo, testIntThree, testIntFour);
Assert.AreEqual(intendedResult, testValue); //Add once should result in no-op
}
public void TestOnce()
{
Signal <int> signal = new Signal <int>();
signal.AddOnce(OneArgSignalCallback);
signal.Dispatch(testInt);
Assert.AreEqual(testInt, testValue);
signal.Dispatch(testInt);
Assert.AreEqual(testInt, testValue); //should not fire a second time
}
public void AddOnceTest()
{
var signal = new Signal();
var counter = 0;
Slot listener1 = ((args) => { counter++; });
signal.AddOnce(listener1);
// dispatch zwei
signal.Dispatch();
signal.Dispatch();
Assert.AreEqual(1, counter, "The listener should only be called once");
}
public void TestTwoArgSignal()
{
Signal <int, int> signal = new Signal <int, int>();
signal.AddListener(TwoArgSignalCallback);
signal.Dispatch(testInt, testIntTwo);
Assert.AreEqual(testInt + testIntTwo, testValue);
signal.RemoveListener(TwoArgSignalCallback);
signal.Dispatch(testInt, testIntTwo);
Assert.AreEqual(testInt + testIntTwo, testValue); //Removed listener should have no-op
signal.AddOnce(TwoArgSignalCallback);
signal.Dispatch(testInt, testIntTwo);
Assert.AreEqual((testInt + testIntTwo) * 2, testValue);
signal.Dispatch(testInt, testIntTwo);
Assert.AreEqual((testInt + testIntTwo) * 2, testValue); //addonce should result in no-op
}
public static void DispatchAndListen <A, B, C, D>(this Signal dispatchingSignal, Signal <A, B, C, D> listenOn, Action <A, B, C, D> callback)
{
listenOn.AddOnce(callback);
dispatchingSignal.Dispatch();
}
public static void ListenAndStartWith <A, B, C, D>(this Signal <A, B, C, D> listeningSignal, Action startProcess, Action <A, B, C, D> callback)
{
listeningSignal.AddOnce(callback);
startProcess.Invoke();
}