'Test whitespace in filter arguments'

@setup({'ifchanged-filter-ws': '{%    load    custom    %}{%    for    n    in    num    %}{%    ifchanged    n|noop:"x    y"    %}..{%    endifchanged    %}{{    n    }}{%    endfor    %}'})
def test_ifchanged_filter_ws(self):

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