1 files changed, 28 insertions, 0 deletions
diff --git a/test/zlib/test_zlib.rb b/test/zlib/test_zlib.rb
index 9e4cf80033..aa3059d5b1 100644
--- a/test/zlib/test_zlib.rb
+++ b/test/zlib/test_zlib.rb
@@ -363,6 +363,34 @@ if defined? Zlib
         assert_equal(3, gz.tell)
       end
     end
+
+    def test_path
+      t = Tempfile.new("test_zlib_gzip_file")
+      t.close
+
+      gz = Zlib::GzipWriter.open(t.path)
+      gz.print("foo")
+      assert_equal(t.path, gz.path)
+      gz.close
+      assert_equal(t.path, gz.path)
+
+      f = Zlib::GzipReader.open(t.path)
+      assert_equal(t.path, f.path)
+      f.close
+      assert_equal(t.path, f.path)
+
+      s = ""
+      sio = StringIO.new(s)
+      gz = Zlib::GzipWriter.new(sio)
+      gz.print("foo")
+      assert_raise(NoMethodError) { gz.path }
+      gz.close
+
+      sio = StringIO.new(s)
+      f = Zlib::GzipReader.new(sio)
+      assert_raise(NoMethodError) { f.path }
+      f.close
+    end
   end
 
   class TestZlibGzipReader < Test::Unit::TestCase