attribute.test

--TEST--
"attribute" function
--TEMPLATE--
{{ attribute(obj, method) }}
{{ attribute(array, item) }}
{{ attribute(obj, "bar", ["a", "b"]) }}
{{ attribute(obj, "bar", arguments) }}
{{ attribute(obj, method) is defined ? 'ok' : 'ko' }}
{{ attribute(obj, nonmethod) is defined ? 'ok' : 'ko' }}
--DATA--
return array('obj' => new TwigTestFoo(), 'method' => 'foo', 'array' => array('foo' => 'bar'), 'item' => 'foo', 'nonmethod' => 'xxx', 'arguments' => array('a', 'b'))
--EXPECT--
foo
bar
bar_a-b
bar_a-b
ok
ko