# File test/test_properties.rb, line 106
    def test_params_modified_check
      params1 = @properties.params('foo', 'bar')
      params2 = @properties.params('foo', 'bar')
      @properties.set_params(params1)
      assert_exception(RuntimeError) {
        @properties.set_params(params2)
      }
      params2.modified_count = params1.modified_count
      @properties.set_params(params2)
    end