Function save

test/store_test.js:52–55

(key, val, s)

            ((s || store).get(key), expect, "get '"+key+"'");
    }
    function save(key, val, s) {
        noval((s || store)(key, val), "save value for '"+key+"'");
        get(key, val, s);
    }
    function add(key, val, expect, s) {
        (s || store).add(key, val);
        get(key, expect, s);