From 7f199d12e0ee9a095d186a8667f78f31fa0a2dca Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 12 Mar 2012 15:17:27 +0000
Subject: Add missing assert_warning.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34991 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_io_m17n.rb | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

(limited to 'test/ruby/test_io_m17n.rb')

diff --git a/test/ruby/test_io_m17n.rb b/test/ruby/test_io_m17n.rb
index eccc27ac97..b86dfb3274 100644
--- a/test/ruby/test_io_m17n.rb
+++ b/test/ruby/test_io_m17n.rb
@@ -1,6 +1,7 @@
 require 'test/unit'
 require 'tmpdir'
 require 'timeout'
+require 'stringio'
 require_relative 'envutil'
 
 class TestIO_M17N < Test::Unit::TestCase
@@ -11,6 +12,17 @@ class TestIO_M17N < Test::Unit::TestCase
     Encoding::UTF_8
   ]
 
+  def assert_warning(pat, mesg=nil)
+    begin
+      org_stderr = $stderr
+      $stderr = StringIO.new(warn = '')
+      yield
+    ensure
+      $stderr = org_stderr
+    end
+    assert_match(pat, warn, mesg)
+  end
+
   def with_tmpdir
     Dir.mktmpdir {|dir|
       Dir.chdir(dir) {
@@ -1064,9 +1076,9 @@ EOT
     bug5567 = '[ruby-core:40726]'
     IO.pipe do |r, w|
       assert_nothing_raised(bug5567) do
-        assert_warn(/Unsupported/, bug5567) {r.set_encoding("fffffffffffxx")}
-        assert_warn(/Unsupported/, bug5567) {r.set_encoding("fffffffffffxx", "us-ascii")}
-        assert_warn(/Unsupported/, bug5567) {r.set_encoding("us-ascii", "fffffffffffxx")}
+        assert_warning(/Unsupported/, bug5567) {r.set_encoding("fffffffffffxx")}
+        assert_warning(/Unsupported/, bug5567) {r.set_encoding("fffffffffffxx", "us-ascii")}
+        assert_warning(/Unsupported/, bug5567) {r.set_encoding("us-ascii", "fffffffffffxx")}
       end
     end
   end
-- 
cgit v1.2.3