Index: tests/object-system.test
===================================================================
diff -u -N -rfbd7f24c6111a5328c15bb7c47e9a45c9928357f -rf80347fbea8fd50ae92c0bd7412cd4af80c78a54
--- tests/object-system.test	(.../object-system.test)	(revision fbd7f24c6111a5328c15bb7c47e9a45c9928357f)
+++ tests/object-system.test	(.../object-system.test)	(revision f80347fbea8fd50ae92c0bd7412cd4af80c78a54)
@@ -83,6 +83,9 @@
 ? {o info class} ::nx::Object
 ? {nx::Object info instances o} ::o
 ? {nx::Object info instances ::o} ::o
+o destroy
+? {nsf::object::exists ::o} 0
+? {nsf::object::exists o} 0
 
 nx::Object create o2 {
   ? {::nsf::object::exists ::o2} 1
@@ -145,6 +148,8 @@
 
 # destroy class M, reclass class instances to the base class
 C destroy
+? {::nsf::object::exists C} 0
+? {::nsf::object::exists ::C} 0
 ? {::nsf::object::exists c1} 1
 ? {::nsf::is object c1} 1
 ? {::nsf::is class c1} 0