# File test/test_sexp.rb, line 181 def test_find_and_replace_all @sexp = s(:a, s(:b, s(:a), s(:b), s(:b, s(:a)))) expected = s(:a, s(:a, s(:a), s(:a), s(:a, s(:a)))) @sexp.find_and_replace_all(:b, :a) assert_equal(expected, @sexp) end