1 files changed, 4 insertions, 0 deletions
diff --git a/lib/pathname.rb b/lib/pathname.rb
index 423b8a0689..20cff4f097 100644
--- a/lib/pathname.rb
+++ b/lib/pathname.rb
@@ -1182,5 +1182,9 @@ if $0 == __FILE__
       assert_not_same(str, obj.to_s)
       assert_not_same(obj.to_s, obj.to_s)
     end
+
+    def test_kernel_open
+      assert_equal(1, Kernel.open(Pathname.new("/dev/null")) {|f| 1 })
+    end
   end
 end