1 files changed, 45 insertions, 0 deletions
diff --git a/tests/src/Interop/MarshalAPI/Miscellaneous/AutoLayoutStructure.cs b/tests/src/Interop/MarshalAPI/Miscellaneous/AutoLayoutStructure.cs
new file mode 100644
index 0000000000..b701a01314
--- /dev/null
+++ b/tests/src/Interop/MarshalAPI/Miscellaneous/AutoLayoutStructure.cs
@@ -0,0 +1,45 @@
+using System;
+using System.Reflection;
+using System.Threading;
+using System.Runtime.InteropServices;
+using CoreFXTestLibrary;
+
+class MarshalClassTests
+{
+  [StructLayout(LayoutKind.Auto)]
+  public struct SomeTestStruct_Auto
+  {
+    public int i;
+  }
+
+  [STAThread]
+  static int Main()
+  {
+    SomeTestStruct_Auto someTs_Auto = new SomeTestStruct_Auto();
+    try
+    {
+      Marshal.StructureToPtr(someTs_Auto, new IntPtr(123), true);
+    }
+    catch (ArgumentException ex)
+    {
+      if (ex.ParamName != "structure")
+      {
+        Console.WriteLine("Thrown ArgumentException is incorrect.");
+        return 103;
+      }
+      if (!ex.Message.Contains("The specified structure must be blittable or have layout information."))
+      {
+        Console.WriteLine("Thrown ArgumentException is incorrect.");
+        return 104;
+      }
+      return 100;
+    }
+    catch (Exception e)
+    {
+      Console.WriteLine("Marshal.StructureToPtr threw unexpected exception {0}.", e);
+      return 102;
+    }
+    Console.WriteLine("Marshal.StructureToPtr did not throw an exception.");
+    return 101;
+  }
+}