From 49f8799af4d612ea164f800645222d15cfc6ae02 Mon Sep 17 00:00:00 2001
From: kosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 5 Feb 2011 07:50:12 +0000
Subject: 	* lib/test/unit/assertions.rb (Test::Unit::Assertions#assert):
 	  msg can be passed nil. [Bug #4371] [ruby-dev:43174]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30796 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/test/unit/assertions.rb | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

(limited to 'lib')

diff --git a/lib/test/unit/assertions.rb b/lib/test/unit/assertions.rb
index ce28042c49..69adcd61aa 100644
--- a/lib/test/unit/assertions.rb
+++ b/lib/test/unit/assertions.rb
@@ -10,13 +10,10 @@ module Test
         obj.pretty_inspect.chomp
       end
 
-      UNASSIGNED = Object.new # :nodoc:
-
-      def assert(test, msg = UNASSIGNED)
+      def assert(test, msg = nil)
         case msg
-        when UNASSIGNED
-          msg = nil
-        when String, Proc
+        when String, Proc, NilClass
+          # do nothing
         else
           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
-- 
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