From 8903faf1a1e8cec44b3587a3cd88bf25cfe10515 Mon Sep 17 00:00:00 2001
From: yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 17 Nov 2010 07:08:07 +0000
Subject: [PATCH] * test/ruby/envutil.rb (Test::Unit::Assersions#assert_warn): 
  new assersion to assert that a particular warning message is   displayed.  
 forwardport from branches/ruby_1_9_2@29795.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29812 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog            | 7 +++++++
 test/ruby/envutil.rb | 5 +++++
 2 files changed, 12 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 18567e3610..9c577fb1e9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Wed Nov 17 16:04:23 2010  Yuki Sonoda (Yugui)  <yugui@yugui.jp>
+
+	* test/ruby/envutil.rb (Test::Unit::Assersions#assert_warn):
+	  new assersion to assert that a particular warning message is 
+	  displayed.
+	  forwardport from branches/ruby_1_9_2@29795.
+
 Wed Nov 17 15:16:48 2010  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* regint.h (OnigOpInfoType): constify name.
diff --git a/test/ruby/envutil.rb b/test/ruby/envutil.rb
index 8d7a1eef24..7b235106cb 100644
--- a/test/ruby/envutil.rb
+++ b/test/ruby/envutil.rb
@@ -173,6 +173,11 @@ module Test
         assert(status.success?, m)
       end
 
+      def assert_warn(msg)
+        stderr = EnvUtil.verbose_warning { yield }
+        assert(msg === stderr, "warning message #{stderr.inspect} is expected to match #{msg.inspect}")
+      end
+
     end
   end
 end