# File test/test_document.rb, line 710
    def test_umount
      @folder.mount(@document, '/foo')
      assert_equal(@document, @folder.find('/foo')[0])
      assert_equal('/foo', @folder.find('/foo')[1])
      assert_equal(@document, @folder.find('/foo/bar')[0])
      assert_equal('/foo', @folder.find('/foo/bar')[1])
      assert_equal(@document, @folder.umount('/foo'))
      assert_nil(@folder.find('/foo'))

      @folder.mount(@document, '/foo', /\.cgi/)
      assert_nil(@folder.find('/foo/bar'))
      assert_equal(@document, @folder.find('/foo/bar.cgi')[0])
      assert_equal('/foo', @folder.find('/foo/bar.cgi')[1])
      assert_equal(@document, @folder.umount('/foo', /\.cgi/))
      assert_nil(@folder.find('/foo/bar.cgi'))
    end