增加A2WToolBox工具集，增加Launch场景核LaunchPanel

Assets/A2WToolBox/3rd/StateMachine/Tests/Runtime/TestChangeAsyncOverwrite.cs

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+using System.Collections;
+using MonsterLove.StateMachine;
+using NUnit.Framework;
+using UnityEngine;
+using UnityEngine.TestTools;
+
+namespace Tests
+{
+	public class TestChangeAsyncOverwrite
+	{
+		public enum States
+		{
+			One,
+			Two,
+			Three,
+			Four,
+		}
+
+		private GameObject go;
+		private StateClass behaviour;
+		private StateMachine<States> fsm;
+		private float duration = 0.5f;
+
+		[SetUp]
+		public void Init()
+		{
+			go = new GameObject();
+			behaviour = go.AddComponent<StateClass>();
+			behaviour.duration = duration;
+
+			fsm = StateMachine<States>.Initialize(behaviour);
+		}
+
+		[TearDown]
+		public void Kill()
+		{
+			Object.Destroy(go);
+		}
+
+		[UnityTest]
+		public IEnumerator TestAsyncEnterExit()
+		{
+			// 1
+			fsm.ChangeState(States.One, StateTransition.Overwrite);
+
+			// 1*__/2
+			fsm.ChangeState(States.Two, StateTransition.Overwrite);
+			
+			Assert.AreEqual(States.One, fsm.LastState);
+			Assert.AreEqual(States.Two, fsm.State);
+			Assert.AreEqual(States.Two, fsm.NextState);
+
+			yield return new WaitForSeconds(duration + 0.2f);
+
+			Assert.AreEqual(1, behaviour.oneEnter);
+			Assert.AreEqual(0, behaviour.oneUpdate);
+			Assert.AreEqual(0, behaviour.oneExit);
+			Assert.AreEqual(1, behaviour.oneFinally);
+
+			Assert.AreEqual(1, behaviour.twoEnter);
+			
+			Assert.AreEqual(States.One, fsm.LastState);
+			Assert.AreEqual(States.Two, fsm.State);
+			Assert.AreEqual(States.Two, fsm.NextState);
+		}
+
+		[UnityTest]
+		public IEnumerator TestChangeDuringAsyncEnter()
+		{
+			// 1
+			fsm.ChangeState(States.One, StateTransition.Overwrite);
+
+			// 1\__/2
+			fsm.ChangeState(States.Two, StateTransition.Safe);
+
+			Assert.AreEqual(false, fsm.LastStateExists);
+			Assert.AreEqual(States.One, fsm.State);
+			Assert.AreEqual(States.Two, fsm.NextState);
+			
+			yield return new WaitForSeconds(duration + duration * 0.5f);
+			
+			Assert.AreEqual(1, behaviour.oneEnter);
+			Assert.AreEqual(0, behaviour.oneUpdate);
+			Assert.AreEqual(1, behaviour.oneExit);
+			Assert.AreEqual(1, behaviour.oneFinally);
+
+			Assert.AreEqual(0, behaviour.twoEnter);
+
+			Assert.AreEqual(0, behaviour.threeEnter);
+			
+			Assert.AreEqual(States.One, fsm.LastState);
+			Assert.AreEqual(States.Two, fsm.State);
+			Assert.AreEqual(States.Two, fsm.NextState);
+
+			// 1\__*2__3
+			fsm.ChangeState(States.Three, StateTransition.Overwrite);
+
+			Assert.AreEqual(0, behaviour.twoEnter); //Intro never completes
+			Assert.AreEqual(1, behaviour.twoExit); //Single frame Exit still fires. Arguably more consistent that exit doesn't fire, instead relying on finally(), however this would be a breaking change 
+			Assert.AreEqual(0, behaviour.twoUpdate);
+			Assert.AreEqual(1, behaviour.twoFinally);
+
+			Assert.AreEqual(1, behaviour.threeEnter);
+			
+			Assert.AreEqual(States.Two, fsm.LastState);
+			Assert.AreEqual(States.Three, fsm.State);
+			Assert.AreEqual(States.Three, fsm.NextState);
+		}
+
+		[UnityTest]
+		public IEnumerator TestChangeDuringAsyncExit()
+		{
+			// 1
+			fsm.ChangeState(States.One, StateTransition.Overwrite);
+
+			// 1\__/2
+			fsm.ChangeState(States.Two, StateTransition.Safe);
+
+			Assert.AreEqual(false, fsm.LastStateExists);
+			Assert.AreEqual(States.One, fsm.State);
+			Assert.AreEqual(States.Two, fsm.NextState);
+			
+			yield return new WaitForSeconds(duration * 0.5f);
+
+			Assert.AreEqual(1, behaviour.oneEnter);
+			Assert.AreEqual(0, behaviour.oneUpdate);
+			Assert.AreEqual(0, behaviour.oneExit);
+			Assert.AreEqual(0, behaviour.oneFinally);
+
+			Assert.AreEqual(0, behaviour.twoEnter);
+
+			Assert.AreEqual(false, fsm.LastStateExists);
+			Assert.AreEqual(States.One, fsm.State);
+			Assert.AreEqual(States.Two, fsm.NextState);
+			
+			// 1*__/4
+			fsm.ChangeState(States.Four, StateTransition.Overwrite);
+
+			Assert.AreEqual(States.One, fsm.LastState);
+			Assert.AreEqual(States.Four, fsm.State);
+			Assert.AreEqual(States.Four, fsm.NextState);
+			
+			yield return new WaitForSeconds(duration + 0.2f);
+
+			Assert.AreEqual(1, behaviour.oneEnter);
+			Assert.AreEqual(0, behaviour.oneUpdate);
+			Assert.AreEqual(0, behaviour.oneExit); //Cancelled - never completed
+			Assert.AreEqual(1, behaviour.oneFinally);
+
+			Assert.AreEqual(0, behaviour.twoEnter); //Never entered
+
+			Assert.AreEqual(1, behaviour.fourEnter);
+			
+			Assert.AreEqual(States.One, fsm.LastState);
+			Assert.AreEqual(States.Four, fsm.State);
+			Assert.AreEqual(States.Four, fsm.NextState);
+		}
+
+		private class StateClass : MonoBehaviour
+		{
+			public float duration;
+
+			public int oneEnter;
+			public int oneUpdate;
+			public int oneExit;
+			public int oneFinally;
+
+			public int twoEnter;
+			public int twoUpdate;
+			public int twoExit;
+			public int twoFinally;
+
+			public int threeEnter;
+			public int threeUpdate;
+			public int threeExit;
+			public int threeFinally;
+
+			public int fourEnter;
+			public int fourUpdate;
+			public int fourExit;
+			public int fourFinally;
+
+			void One_Enter()
+			{
+				Debug.LogFormat("State:{0} Frame:{1}", "One Enter", Time.frameCount);
+				oneEnter++;
+			}
+
+			void One_Update()
+			{
+				Debug.LogFormat("State:{0} Frame:{1}", "One Update", Time.frameCount);
+				oneUpdate++;
+			}
+
+			IEnumerator One_Exit()
+			{
+				Debug.LogFormat("State:{0} Frame:{1}", "One Exit Start", Time.frameCount);
+				yield return new WaitForSeconds(duration);
+				Debug.LogFormat("State:{0} Frame:{1}", "One Exit End", Time.frameCount);
+				oneExit++;
+			}
+
+			void One_Finally()
+			{
+				Debug.LogFormat("State:{0} Frame:{1}", "One Finally", Time.frameCount);
+				oneFinally++;
+			}
+
+			IEnumerator Two_Enter()
+			{
+				Debug.LogFormat("State:{0} Frame:{1}", "Two Enter Start", Time.frameCount);
+				yield return new WaitForSeconds(duration);
+				Debug.LogFormat("State:{0} Frame:{1}", "Two Enter End", Time.frameCount);
+				twoEnter++;
+			}
+
+			void Two_Update()
+			{
+				Debug.LogFormat("State:{0} Frame:{1}", "Two Update", Time.frameCount);
+				twoUpdate++;
+			}
+
+			void Two_Exit()
+			{
+				Debug.LogFormat("State:{0} Frame:{1}", "Two Exit", Time.frameCount);
+				twoExit++;
+			}
+
+			void Two_Finally()
+			{
+				Debug.LogFormat("State:{0} Frame:{1}", "Two Finally", Time.frameCount);
+				twoFinally++;
+			}
+
+			void Three_Enter()
+			{
+				Debug.LogFormat("State:{0} Frame:{1}", "Three Enter", Time.frameCount);
+				threeEnter++;
+			}
+
+			void Three_Update()
+			{
+				Debug.LogFormat("State:{0} Frame:{1}", "Three Update", Time.frameCount);
+				threeUpdate++;
+			}
+
+			void Three_Exit()
+			{
+				Debug.LogFormat("State:{0} Frame:{1}", "Three Exit", Time.frameCount);
+				threeExit++;
+			}
+
+			void Three_Finally()
+			{
+				Debug.LogFormat("State:{0} Frame:{1}", "Three Finally", Time.frameCount);
+				threeFinally++;
+			}
+
+			IEnumerator Four_Enter()
+			{
+				Debug.LogFormat("State:{0} Frame:{1}", "Four Enter Start", Time.frameCount);
+				yield return new WaitForSeconds(duration);
+				Debug.LogFormat("State:{0} Frame:{1}", "Four Enter End", Time.frameCount);
+				fourEnter++;
+			}
+
+			void Four_Update()
+			{
+				Debug.LogFormat("State:{0} Frame:{1}", "Four Update", Time.frameCount);
+				fourUpdate++;
+			}
+
+			void Four_Exit()
+			{
+				Debug.LogFormat("State:{0} Frame:{1}", "Four Exit", Time.frameCount);
+				fourExit++;
+			}
+
+			void Four_Finally()
+			{
+				Debug.LogFormat("State:{0} Frame:{1}", "Four Finally", Time.frameCount);
+				fourFinally++;
+			}
+		}
+	}
+}