* test/test_prime.rb (TestPrime#test_new): the warning expected have

  not been displayed when $VERBOSE == nil. Patch by Shota Fukumori
  a.k.a. sora_h. [ruby-dev:42272]
  Recovers $stderr even if StringIO.new fails. Reported by unak.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29316 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 5 deletions

diff --git a/test/test_prime.rb b/test/test_prime.rb
index e095a29722..3dd1b89b2f 100644
--- a/test/test_prime.rb
+++ b/test/test_prime.rb
@@ -55,12 +55,13 @@ class TestPrime < Test::Unit::TestCase
   end
 
   def test_new
-    buf = StringIO.new('', 'w')
-    orig, $stderr = $stderr, buf
+    orig_stderr, orig_verbose = $stderr, $VERBOSE
+
+    $stderr = buf = StringIO.new('', 'w')
+    $VERBOSE = false
 
     enum = Prime.new
-    assert !buf.string.empty?
-    $stderr = orig
+    assert_match("obsolete", buf.string)
 
     assert enum.respond_to?(:each)
     assert enum.kind_of?(Enumerable)
@@ -68,7 +69,8 @@ class TestPrime < Test::Unit::TestCase
 
     assert Prime === enum
   ensure
-    $stderr = orig
+    $stderr = orig_stderr
+    $VERBOSE = orig_verbose
   end
 
   def test_enumerator_succ