1 files changed, 19 insertions, 1 deletions
diff --git a/Examples/test-suite/python_append.i b/Examples/test-suite/python_append.i
index 049494319..883097ec6 100644
--- a/Examples/test-suite/python_append.i
+++ b/Examples/test-suite/python_append.i
@@ -42,13 +42,31 @@ import os.path
 %}
 
 %inline %{
-
 class Test {
 public:
   static void static_func() {};
   void funk() {};
 };
+%}
+
+// Github issue #1674
+%extend ForSlots {
+  %pythoncode %{
+        __slots__ = ["this"]
+    %}
+}
+// While __slots__ does not contain 'ValidVariable' in the list, it is still possible
+// to set 'ValidVariable'. A little odd, but the whole attribute setting is bypassed
+// for setting C/C++ member variables.
+// Not sure how to test the equivalent for -builtin.
+%inline %{
+struct ForSlots {
+  int ValidVariable;
+  ForSlots() : ValidVariable(99) {}
+};
+%}
 
+%inline %{
 #ifdef SWIGPYTHON_BUILTIN
 bool is_python_builtin() { return true; }
 #else