Chris Muller uploaded a new version of SUnit to project The Trunk:
http://source.squeak.org/trunk/SUnit-cmm.97.mcz

==================== Summary ====================

Name: SUnit-cmm.97
Author: cmm
Time: 8 November 2013, 10:24:49.44 am
UUID: d53f9dfb-5ea8-499e-bb2e-9b76450607cf
Ancestors: SUnit-fbs.96

Added a test for MessageSend>>#numArgs.

=============== Diff against SUnit-fbs.96 ===============

Item was added:
+ TestCase subclass: #MessageSendTest
+ 	instanceVariableNames: ''
+ 	classVariableNames: ''
+ 	poolDictionaries: ''
+ 	category: 'SUnit-Kernel'!

Item was added:
+ ----- Method: MessageSendTest>>testNumArgs (in category 'as yet unclassified') -----
+ testNumArgs
+ 	self
+ 		 assert:
+ 			(MessageSend
+ 				receiver: Dictionary new
+ 				selector: #at:put:) numArgs = 2 ;
+ 		 assert:
+ 			(MessageSend
+ 				receiver: 3
+ 				selector: #sqrt) numArgs = 0!