few more test-cases

Tests/EventBasedCoroutineTests.cs

@@ -28,5 +28,208 @@ namespace Tests {
             Assert.AreEqual(cr.MoveNextCount, 2, "Incorrect MoveNextCount value.");
         }
 
+        [Test]
+        public void TestInfiniteCoroutineNeverFinishesUnlessCanceled() {
+            var myEvent = new Event();
+            var myOtherEvent = new Event();
+            var counter = 0;
+
+            IEnumerator<Wait> OnEventTriggeredInfinite() {
+                while (true) {
+                    counter++;
+                    yield return new Wait(myEvent);
+                }
+            }
+
+            void SetCounterToUnreachableValue(ActiveCoroutine coroutine) {
+                counter = -100;
+            }
+
+            var cr = CoroutineHandler.Start(OnEventTriggeredInfinite());
+            cr.OnFinished += SetCounterToUnreachableValue;
+            for (var i = 0; i < 50; i++)
+                CoroutineHandler.RaiseEvent(myOtherEvent);
+
+            for (var i = 0; i < 50; i++)
+                CoroutineHandler.RaiseEvent(myEvent);
+
+            Assert.AreEqual(51, counter, "Incorrect counter value.");
+            Assert.AreEqual(false, cr.IsFinished, "Incorrect IsFinished value.");
+            Assert.AreEqual(false, cr.WasCanceled, "Incorrect IsCanceled value.");
+            Assert.AreEqual(51, cr.MoveNextCount, "Incorrect MoveNextCount value.");
+
+            cr.Cancel();
+            Assert.AreEqual(true, cr.WasCanceled, "Incorrect IsCanceled value after canceling.");
+            Assert.AreEqual(-100, counter, "OnFinished event not triggered when canceled.");
+            Assert.AreEqual(51, cr.MoveNextCount, "Incorrect MoveNextCount value.");
+            Assert.AreEqual(true, cr.IsFinished, "Incorrect IsFinished value.");
+        }
+
+        [Test]
+        public void TestOnFinishedEventExecuted() {
+            var myEvent = new Event();
+            var counter = 0;
+
+            IEnumerator<Wait> OnEvent() {
+                counter++;
+                yield return new Wait(myEvent);
+            }
+
+            void SetCounterToUnreachableValue(ActiveCoroutine coroutine) {
+                counter = -100;
+            }
+
+            var cr = CoroutineHandler.Start(OnEvent());
+            cr.OnFinished += SetCounterToUnreachableValue;
+            for (int i = 0; i < 10; i++)
+                CoroutineHandler.RaiseEvent(myEvent);
+            Assert.AreEqual(-100, counter, "Incorrect counter value.");
+        }
+
+        [Test]
+        public void TestNestedCoroutine() {
+            var myEvent = new Event();
+            var counterAlwaysRunning = 0;
+
+            IEnumerator<Wait> AlwaysRunning() {
+                while (true) {
+                    yield return new Wait(myEvent);
+                    counterAlwaysRunning++;
+                }
+            }
+
+            var counterChild = 0;
+
+            IEnumerator<Wait> Child() {
+                yield return new Wait(myEvent);
+                counterChild++;
+            }
+
+            var counterParent = 0;
+
+            IEnumerator<Wait> Parent() {
+                yield return new Wait(myEvent);
+                counterParent++;
+                // OnFinish I will start child.
+            }
+
+            var counterGrandParent = 0;
+
+            IEnumerator<Wait> GrandParent() {
+                yield return new Wait(myEvent);
+                counterGrandParent++;
+                // Nested corotuine starting.
+                var p = CoroutineHandler.Start(Parent());
+                // Nested corotuine starting in OnFinished.
+                p.OnFinished += ac => CoroutineHandler.Start(Child());
+            }
+
+            CoroutineHandler.Start(AlwaysRunning());
+            CoroutineHandler.Start(GrandParent());
+            Assert.AreEqual(0, counterAlwaysRunning, "Always running counter is invalid at event 0.");
+            Assert.AreEqual(0, counterGrandParent, "Grand Parent counter is invalid at event 0.");
+            Assert.AreEqual(0, counterParent, "Parent counter is invalid at event 0.");
+            Assert.AreEqual(0, counterChild, "Child counter is invalid at event 0.");
+            CoroutineHandler.RaiseEvent(myEvent);
+            Assert.AreEqual(1, counterAlwaysRunning, "Always running counter is invalid at event 1.");
+            Assert.AreEqual(1, counterGrandParent, "Grand Parent counter is invalid at event 1.");
+            Assert.AreEqual(0, counterParent, "Parent counter is invalid at event 1.");
+            Assert.AreEqual(0, counterChild, "Child counter is invalid at event 1.");
+            CoroutineHandler.RaiseEvent(myEvent);
+            Assert.AreEqual(2, counterAlwaysRunning, "Always running counter is invalid at event 2.");
+            Assert.AreEqual(1, counterGrandParent, "Grand Parent counter is invalid at event 2.");
+            Assert.AreEqual(1, counterParent, "Parent counter is invalid at event 2.");
+            Assert.AreEqual(0, counterChild, "Child counter is invalid at event 2.");
+            CoroutineHandler.RaiseEvent(myEvent);
+            Assert.AreEqual(3, counterAlwaysRunning, "Always running counter is invalid at event 3.");
+            Assert.AreEqual(1, counterGrandParent, "Grand Parent counter is invalid at event 3.");
+            Assert.AreEqual(1, counterParent, "Parent counter is invalid at event 3.");
+            Assert.AreEqual(1, counterChild, "Child counter is invalid at event 3.");
+            CoroutineHandler.RaiseEvent(myEvent);
+            Assert.AreEqual(4, counterAlwaysRunning, "Always running counter is invalid at event 4.");
+            Assert.AreEqual(1, counterGrandParent, "Grand Parent counter is invalid at event 4.");
+            Assert.AreEqual(1, counterParent, "Parent counter is invalid at event 4.");
+            Assert.AreEqual(1, counterChild, "Child counter is invalid at event 4.");
+        }
+
+        [Test]
+        public void TestPriority() {
+            var myEvent = new Event();
+            var counterShouldExecuteBefore0 = 0;
+
+            IEnumerator<Wait> ShouldExecuteBefore0() {
+                while (true) {
+                    yield return new Wait(myEvent);
+                    counterShouldExecuteBefore0++;
+                }
+            }
+
+            var counterShouldExecuteBefore1 = 0;
+
+            IEnumerator<Wait> ShouldExecuteBefore1() {
+                while (true) {
+                    yield return new Wait(myEvent);
+                    counterShouldExecuteBefore1++;
+                }
+            }
+
+            var counterShouldExecuteAfter = 0;
+
+            IEnumerator<Wait> ShouldExecuteAfter() {
+                while (true) {
+                    yield return new Wait(myEvent);
+                    if (counterShouldExecuteBefore0 == 1 &&
+                        counterShouldExecuteBefore1 == 1) {
+                        counterShouldExecuteAfter++;
+                    }
+                }
+            }
+
+            var counterShouldExecuteFinally = 0;
+
+            IEnumerator<Wait> ShouldExecuteFinally() {
+                while (true) {
+                    yield return new Wait(myEvent);
+                    if (counterShouldExecuteAfter > 0) {
+                        counterShouldExecuteFinally++;
+                    }
+                }
+            }
+
+            var highPriority = int.MaxValue;
+            CoroutineHandler.Start(ShouldExecuteBefore1(), priority: highPriority);
+            CoroutineHandler.Start(ShouldExecuteAfter());
+            CoroutineHandler.Start(ShouldExecuteBefore0(), priority: highPriority);
+            CoroutineHandler.Start(ShouldExecuteFinally(), priority: -1);
+            CoroutineHandler.RaiseEvent(myEvent);
+            Assert.AreEqual(1, counterShouldExecuteAfter, $"ShouldExecuteAfter counter  {counterShouldExecuteAfter} is invalid.");
+            Assert.AreEqual(1, counterShouldExecuteFinally, $"ShouldExecuteFinally counter  {counterShouldExecuteFinally} is invalid.");
+        }
+
+        [Test]
+        public void InvokeLaterAndNameTest() {
+            var myEvent = new Event();
+            var counter = 0;
+            var cr = CoroutineHandler.InvokeLater(new Wait(myEvent), () => {
+                counter++;
+            }, "Bird");
+
+            CoroutineHandler.InvokeLater(new Wait(myEvent), () => {
+                counter++;
+            });
+
+            CoroutineHandler.InvokeLater(new Wait(myEvent), () => {
+                counter++;
+            });
+
+            Assert.AreEqual(0, counter, "Incorrect counter value after 5 seconds.");
+            CoroutineHandler.RaiseEvent(myEvent);
+            Assert.AreEqual(3, counter, "Incorrect counter value after 10 seconds.");
+            Assert.AreEqual(true, cr.IsFinished, "Incorrect IsFinished value.");
+            Assert.AreEqual(false, cr.WasCanceled, "Incorrect IsCanceled value.");
+            Assert.AreEqual(cr.MoveNextCount, 2, "Incorrect MoveNextCount value.");
+            Assert.AreEqual(cr.Name, "Bird", "Incorrect name of the coroutine.");
+        }
+
     }
 }