#unittest {
    name: "Switch flow control.";
    error: NONE;
    result: "^1244??STR2";
}

func test(x) {
    var value = "^";
    switch (x) {
        case 0:
            break;
        case 1:
            return "1";
        case 2:
            value = "2";
            break;
        case 3:
            value = "3";
        case 4:
            value = "4";
            break;
        case "str2":
            value = "STR2"
            break;
        default:
            return "?";
    }
    return value;
}

func main() {
    var result = "";
    for (var i in 0...5) {
        result += test(i);
    }
    result += test("str1");
    result += test("str2");
    return result;
}