public void TestPreviousKnownBreakingEdgecases()
{
var updateList = new UpdateList();
// we have to create another ref to the functions so we can self remove within closures
Action <float> func2 = null;
Action <float> func0 = null;
Action <float> update2 = dt =>
{
// Do nothing special
};
Action <float> update1 = dt =>
{
updateList.Remove(func2);
};
Action <float> update0 = dt =>
{
updateList.Remove(func0);
};
func2 = update2;
func0 = update0;
updateList.Add(update0);
updateList.Add(update1);
updateList.Add(update2);
updateList.Update(0f);
Assert.IsFalse(updateList.Contains(update0));
Assert.IsTrue(updateList.Contains(update1));
Assert.IsFalse(updateList.Contains(update2));
// now dead test that index 2 is not marked as dead. by adding new updates, running them and checking they still exist
updateList.Remove(update1);
Action <float> update3Index0 = dt => { };
Action <float> update4Index1 = dt => { };
Action <float> update5Index2 = dt => { };
updateList.Add(update3Index0);
updateList.Add(update4Index1);
updateList.Add(update5Index2);
updateList.Update(0f);
Assert.IsTrue(updateList.Contains(update3Index0));
Assert.IsTrue(updateList.Contains(update4Index1));
Assert.IsTrue(updateList.Contains(update5Index2));
}
public void ExpectUpdateToPassDeltaTimeToAllFunctions()
{
const float dtParam = 0.112f;
Action <float> func = dt =>
{
Assert.AreEqual(dt, dtParam);
};
var updateList = new UpdateList();
updateList.Add(func);
updateList.Update(dtParam);
}
public void ExpectAddedFunctionToBeCalledWhenUpdated()
{
var wasCalled = false;
Action <float> func = dt =>
{
wasCalled = true;
};
var updateList = new UpdateList();
updateList.Add(func);
Assert.IsFalse(wasCalled);
updateList.Update(0f);
Assert.IsTrue(wasCalled);
}
public void ExpectFunctionToNotBeCalledIfRemoveWasCalled()
{
var wasCalled = false;
Action <float> func = dt =>
{
wasCalled = true;
};
var updateList = new UpdateList();
updateList.Add(func);
Assert.IsFalse(wasCalled);
updateList.Remove(func);
Assert.IsFalse(wasCalled);
updateList.Update(0f);
Assert.IsFalse(wasCalled);
}
public void ExpectRemoveAndReAddWithinAnUpdateLoopToNotRemove()
{
var updateList = new UpdateList();
Action <float> func2 = dt => { };
Action <float> func1 = dt =>
{
updateList.Remove(func2);
updateList.Add(func2);
};
updateList.Add(func1);
updateList.Add(func2);
updateList.Update(0f);
Assert.IsTrue(updateList.Contains(func2));
}
public void ExpectContainsToReturnFalseAfterRemoveWasCalledDuringFrame()
{
// we have to create another ref to the function so we can self remove within closure
Action <float> funcRef = null;
var updateList = new UpdateList();
Action <float> func = dt =>
{
updateList.Remove(funcRef);
Assert.IsFalse(updateList.Contains(funcRef));
};
funcRef = func;
updateList.Add(funcRef);
updateList.Update(0f);
}