naruse	2010-10-22 14:10:40 +0900 (Fri, 22 Oct 2010)

  New Revision: 29554

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=29554

  Log:
    * lib/test/unit/assertions.rb (Test::Unit::Assertions#assert):
      treat nil case. Please run test-all before commit such change.

  Modified files:
    trunk/ChangeLog
    trunk/lib/test/unit/assertions.rb

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 29553)
+++ ChangeLog	(revision 29554)
@@ -1,3 +1,8 @@
+Fri Oct 22 13:59:50 2010  NARUSE, Yui  <naruse@r...>
+
+	* lib/test/unit/assertions.rb (Test::Unit::Assertions#assert):
+	  treat nil case. Please run test-all before commit such change.
+
 Thu Oct 21 23:58:14 2010  Koichi Sasada  <ko1@a...>
 
 	* gc.c (gc_lazy_sweep): Variable declarations should be at
Index: lib/test/unit/assertions.rb
===================================================================
--- lib/test/unit/assertions.rb	(revision 29553)
+++ lib/test/unit/assertions.rb	(revision 29554)
@@ -14,7 +14,7 @@
 
       def assert(test, msg = UNASSIGNED)
         msg = nil if msg == UNASSIGNED
-        unless String === msg or Proc === msg then
+        unless String === msg or Proc === msg or msg.nil? then
           bt = caller.reject { |s| s.rindex(MiniTest::MINI_DIR, 0) }
           raise ArgumentError, "assertion message must be String or Proc, but #{msg.class} was given.", bt
         end

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