test_io.rb: fix tempfile leaks

* test/ruby/test_io.rb (test_flush_in_finalizer2): cannot unlink
  opened file on Windows.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47116 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 15 insertions, 13 deletions

diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb
index 2f656d4c36..99f962bb19 100644
--- a/test/ruby/test_io.rb
+++ b/test/ruby/test_io.rb
@@ -2396,22 +2396,24 @@ End
     Tempfile.open("bug3910") {|t|
       path = t.path
       t.close
-      1.times do
-        io = open(path,"w")
-        io.instance_variable_set(:@test_flush_in_finalizer2, true)
-        io.print "hoge"
-      end
-      assert_nothing_raised(TypeError, bug3910) do
-        GC.start
+      begin
+        1.times do
+          io = open(path,"w")
+          io.instance_variable_set(:@test_flush_in_finalizer2, true)
+          io.print "hoge"
+        end
+        assert_nothing_raised(TypeError, bug3910) do
+          GC.start
+        end
+      ensure
+        ObjectSpace.each_object(File) {|f|
+          if f.instance_variables.include?(:@test_flush_in_finalizer2)
+            f.close
+          end
+        }
       end
       t.close!
     }
-  ensure
-    ObjectSpace.each_object(File) {|f|
-      if f.instance_variables.include?(:@test_flush_in_finalizer2)
-        f.close
-      end
-    }
   end
 
   def test_readlines_limit_0