/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 */

/*

 * @test

 * @bug 4915435

 * @summary NullPointerError in Resolve.findMethod() with foreach vs generics

 * @author gafter

 */

import java.util.List;

import java.util.ArrayList;

public class ListOfListTest {

    public static void main(String[] argv) {

        List<List<Integer>> ll = new ArrayList<List<Integer>>();

        List<Integer> il = new ArrayList<Integer>();

        ll.add(il);

        il.add(1);

        int sum = 0;

        for (Integer i : ll.get(0)) {

            sum = identity(sum) + i;

        }

        if (sum != 1) throw new Error(""+sum);

        enumsToo();

    }

    static int identity(Integer i) {

        switch (i) {

        case 0: return 0;

        default: return i;

        }

    }

    enum E { a, b, c, d, e };

    static class Box<T> {

        Box(T t) { this.t = t; }

        T t;

        T get() { return t; }

    }

    static void enumsToo() {

        Box<E> box = new Box<E>(E.c);

        switch (box.get()) {

        case a: throw new Error();

        case c: break;

        default: throw new Error();

        }

        Box<Integer> boxi = new Box<Integer>(12);

        switch (boxi.get()) {

        case 0: throw new Error();

        case 12: break;

        default: throw new Error();

        }

    }

}