Index: tests/methods.test
===================================================================
diff -u -r12319faaf20df7116346558bd948b0edda9124eb -rc90b4fbe1aca2a6bcff6205d001f6ed83db51a90
--- tests/methods.test	(.../methods.test)	(revision 12319faaf20df7116346558bd948b0edda9124eb)
+++ tests/methods.test	(.../methods.test)	(revision c90b4fbe1aca2a6bcff6205d001f6ed83db51a90)
@@ -235,11 +235,26 @@
   ? {lsort [C object mixin get]} "::M2 ::M4"
   ? {lsort [C mixin get]} "::M1 ::M3"
 
+  ? {lsort [C object mixin]} "::M2 ::M4"
+  ? {lsort [C mixin]} "::M1 ::M3"
+
   ? {catch {C mixin M5} errorMsg} 1
   ? {lsort [C info mixin classes]} "::M1 ::M3"
 
   ? {catch {C object mixin M5} errorMsg} 1
   ? {lsort [C info object mixin classes]} "::M2 ::M4"
+
+  ? {C mixin set M5} ::M5
+  ? {lsort [C info mixin classes]} "::M5"
+
+  ? {C object mixin set M5} "::M5"
+  ? {lsort [C info object mixin classes]} "::M5"
+
+  ? {C configure -mixin M1} ""
+  ? {C cget -mixin} "::M1"
+
+  ? {C configure -object-mixin M2} ""
+  ? {C cget -object-mixin} "::M2"
 }
 
 # testing next via nonpos-args