AttributeListTypeSafeTest.java 文件源码

private static void doOp(AttributeList alist, Op op) {
    Object x = "oops";
    switch (op) {
        case ADD: alist.add(x); break;
        case ADD_AT: alist.add(0, x); break;
        case ADD_ALL: alist.add(Collections.singleton(x)); break;
        case ADD_ALL_AT: alist.add(0, Collections.singleton(x)); break;
        case SET: alist.set(0, x); break;
        default: throw new AssertionError("Case not covered");
    }
}