Method ForEachMergeSetup

src/test/settings_tests.cpp:162–176

    //! Enumerate all possible test configurations.
    template <typename Fn>
    void ForEachMergeSetup(Fn&& fn)
    {
        ActionList arg_actions = {};
        // command_line_options do not have sections. Only iterate over SET and NEGATE
        ForEachNoDup(arg_actions, SET, NEGATE, [&]{
            ActionList conf_actions = {};
            ForEachNoDup(conf_actions, SET, SECTION_NEGATE, [&]{
                for (bool force_set : {false, true}) {
                    for (bool ignore_default_section_config : {false, true}) {
                        fn(arg_actions, conf_actions, force_set, ignore_default_section_config);
                    }
                }
            });
        });
    }
};

// Regression test covering different ways config settings can be merged. The