Index: tests/parameters.test
===================================================================
diff -u -red365a90fa455e82a281fc1b4bfaa4b96081da12 -rbf61b8a8f97eca59bf8f63ba673a1d32ce55e92e
--- tests/parameters.test	(.../parameters.test)	(revision ed365a90fa455e82a281fc1b4bfaa4b96081da12)
+++ tests/parameters.test	(.../parameters.test)	(revision bf61b8a8f97eca59bf8f63ba673a1d32ce55e92e)
@@ -1350,8 +1350,16 @@
   ? {::nsf::method::setter o -x} {invalid setter name "-x" (must not start with a dash or colon)}
 }
 
+nx::test case setters-wrongargs {
+  nx::Object create o
+  ::nsf::method::setter o z
+  ? {o z -10} -10
+  ? {o z} -10
+  ? {o z -1 0} {wrong # args should be "::o z ?value?"}
+}
 
 
+
 #######################################################
 # test for slot-optimizer
 #######################################################
@@ -2709,6 +2717,13 @@
 
 }
 
+nx::test case noconfig-switch-interaction {
+  catch {nx::Object new { :object property x:switch,noconfig; :configure -x=1}} msg opts
+  ? [list string match "invalid non-positional argument '-x=1',*"  [dict get $opts -errorinfo]] 1
+  catch {nx::Class new { :property y:switch,noconfig; :new -y=1}} msg opts
+  ? [list string match "invalid non-positional argument '-y=1',*"  [dict get $opts -errorinfo]] 1
+}
+
 #
 # testing method properties
 #