# File test/test_params.rb, line 2015
    def test_save_with_invalid_path
      @store['documents'] = [
        { 'document' => nil,
          'arguments' => {},
          'mount_path' => nil,
          'mount_mask' => nil,
          'virtual_host' => nil,
          'comment' => nil
        }
      ]
      @doc_list.load(@properties)
      @doc_list[0].name = 'Page'
      @doc_list[0].set_arg_at(0, "Hello world.\n")
      @doc_list[0].set_arg_at(1, 'text/plain')
      @doc_list[0].path = 'foo' # invalid path!
      @doc_list[0].mask = nil
      @doc_list[0].virtual_host = nil
      @doc_list[0].comment = 'HALO'
      assert_exception(RuntimeError) { @doc_list.save(@properties) }
    end