first commit

Library/PackageCache/com.unity.ugui@1.0.0/Tests/Runtime/Util/ExceptionUtils.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Runtime.Serialization;
+
+namespace UnityEngine.UI.Tests.Utils
+{
+    class ExceptionUtils
+    {
+        public static void PreserveStackTrace(Exception e)
+        {
+            var ctx = new StreamingContext(StreamingContextStates.CrossAppDomain);
+            var mgr = new ObjectManager(null, ctx);
+            var si = new SerializationInfo(e.GetType(), new FormatterConverter());
+
+            e.GetObjectData(si, ctx);
+            mgr.RegisterObject(e, 1, si); // prepare for SetObjectData
+            mgr.DoFixups(); // ObjectManager calls SetObjectData
+
+            // voila, e is unmodified save for _remoteStackTraceString
+        }
+    }
+}