Added basic edit mode test

Assets/Scripts/BlurFade.cs

@@ -1,6 +1,5 @@
 #nullable enable
 using System.Collections;
-using System.Collections.Generic;
 using UnityEngine;
 using UnityEngine.Rendering;
 

Assets/Scripts/Ludum50.asmdef

@@ -0,0 +1,20 @@
+{
+    "name": "Ludum50",
+    "rootNamespace": "",
+    "references": [
+        "GUID:776d03a35f1b52c4a9aed9f56d7b4229",
+        "GUID:75469ad4d38634e559750d17036d5f7c",
+        "GUID:6055be8ebefd69e48b49212b09b47b2f",
+        "GUID:4307f53044263cf4b835bd812fc161a4",
+        "GUID:df380645f10b7bc4b97d4f5eb6303d95"
+    ],
+    "includePlatforms": [],
+    "excludePlatforms": [],
+    "allowUnsafeCode": false,
+    "overrideReferences": false,
+    "precompiledReferences": [],
+    "autoReferenced": true,
+    "defineConstraints": [],
+    "versionDefines": [],
+    "noEngineReferences": false
+}

Assets/Scripts/Ludum50.asmdef.meta

@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: ff1917848eda86b469287c353bf3cba7
+AssemblyDefinitionImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/PlayerMovement.cs

@@ -161,8 +161,8 @@ public class PlayerMovement : MonoBehaviour {
 
 	#region States
 
-	void SwitchState(BaseState newState) {
-		currentState.LeaveState();
+	public void SwitchState(BaseState newState) {
+		currentState?.LeaveState();
 		currentState = newState;
 		newState.EnterState();
 	}

Assets/Tests/EditMode/EditMode.asmdef

@@ -1,9 +1,24 @@
 {
     "name": "EditMode",
-    "optionalUnityReferences": [
-        "TestAssemblies"
+    "rootNamespace": "",
+    "references": [
+        "UnityEngine.TestRunner",
+        "UnityEditor.TestRunner",
+        "Ludum50"
     ],
     "includePlatforms": [
         "Editor"
-    ]
+    ],
+    "excludePlatforms": [],
+    "allowUnsafeCode": false,
+    "overrideReferences": true,
+    "precompiledReferences": [
+        "nunit.framework.dll"
+    ],
+    "autoReferenced": false,
+    "defineConstraints": [
+        "UNITY_INCLUDE_TESTS"
+    ],
+    "versionDefines": [],
+    "noEngineReferences": false
 }

Assets/Tests/EditMode/EditMode.cs

@@ -1,25 +1,15 @@
-using System.Collections;
-using System.Collections.Generic;
 using NUnit.Framework;
 using UnityEngine;
-using UnityEngine.TestTools;
 
-public class EditMode
-{
-    // A Test behaves as an ordinary method
-    [Test]
-    public void EditModeSimplePasses()
-    {
-        // Use the Assert class to test conditions
-    }
+public class EditMode {
+	[Test]
+	public void SwitchStateTest() {
+		var gameObject = new GameObject();
+		var playerMovement = gameObject.AddComponent<PlayerMovement>();
+		
+		playerMovement.SwitchState(new TestState());
+		Assert.True(playerMovement.currentState is TestState);
+	}
 
-    // A UnityTest behaves like a coroutine in Play Mode. In Edit Mode you can use
-    // `yield return null;` to skip a frame.
-    [UnityTest]
-    public IEnumerator EditModeWithEnumeratorPasses()
-    {
-        // Use the Assert class to test conditions.
-        // Use yield to skip a frame.
-        yield return null;
-    }
-}
+	class TestState : BaseState {}
+}