Fix exception state being "sticky"

src/CacheObject/CacheObjectBase.cs

@@ -96,23 +96,6 @@ namespace UnityExplorer.CacheObject
 
         // Updating and applying values
 
-        public void SetUserValue(object value)
-        {
-            value = value.TryCast(FallbackType);
-
-            TrySetUserValue(value);
-
-            if (CellView != null)
-                SetDataToCell(CellView);
-
-            // If the owner's ParentCacheObject is set, we are setting the value of an inspected struct.
-            // Set the inspector target as the value back to that parent.
-            if (Owner.ParentCacheObject != null)
-                Owner.ParentCacheObject.SetUserValue(Owner.Target);
-        }
-
-        public abstract void TrySetUserValue(object value);
-
         // The only method which sets the CacheObjectBase.Value
         public virtual void SetValueFromSource(object value)
         {
@@ -132,6 +115,23 @@ namespace UnityExplorer.CacheObject
             }
         }
 
+        public void SetUserValue(object value)
+        {
+            value = value.TryCast(FallbackType);
+
+            TrySetUserValue(value);
+
+            if (CellView != null)
+                SetDataToCell(CellView);
+
+            // If the owner's ParentCacheObject is set, we are setting the value of an inspected struct.
+            // Set the inspector target as the value back to that parent.
+            if (Owner.ParentCacheObject != null)
+                Owner.ParentCacheObject.SetUserValue(Owner.Target);
+        }
+
+        public abstract void TrySetUserValue(object value);
+
         protected virtual void ProcessOnEvaluate()
         {
             var prevState = State;
@@ -171,7 +171,7 @@ namespace UnityExplorer.CacheObject
 
         public ValueState GetStateForType(Type type)
         {
-            if (LastValueType == type)
+            if (LastValueType == type && (State != ValueState.Exception || LastException != null))
                 return State;
 
             LastValueType = type;

src/Tests/TestClass.cs

@@ -28,7 +28,23 @@ namespace UnityExplorer.Tests
 
         public static object LiterallyAnything = null;
 
-        public static string Exception => throw new Exception("This is a test.");
+        public static string Exception
+        {
+            get
+            {
+                if (!shouldThrow)
+                {
+                    shouldThrow = true;
+                    throw new Exception("This is a test.");
+                }
+                else
+                {
+                    shouldThrow = false;
+                    return "No exception";
+                }
+            }
+        }
+        static bool shouldThrow;
 
         // Test enumerables
         public static int[,,] MultiDimensionalArray = new int[45, 45, 45];