Signal.RemoveListener C# (CSharp) Method

	public void RemoveListener (Action callback)
	{
		Listener -= callback;
	}

        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
        }