'Test one parameter given to ifchanged.'

@setup({'ifchanged-param01': '{%    for    n    in    num    %}{%    ifchanged    n    %}..{%    endifchanged    %}{{    n    }}{%    endfor    %}'})
def test_ifchanged_param01(self):

    output = self.engine.render_to_string('ifchanged-param01', {'num': (1, 2, 3)})
    self.assertEqual(output, '..1..2..3')
