duke@1: /*
ohair@554:  * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
duke@1:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1:  *
duke@1:  * This code is free software; you can redistribute it and/or modify it
duke@1:  * under the terms of the GNU General Public License version 2 only, as
duke@1:  * published by the Free Software Foundation.
duke@1:  *
duke@1:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@1:  * version 2 for more details (a copy is included in the LICENSE file that
duke@1:  * accompanied this code).
duke@1:  *
duke@1:  * You should have received a copy of the GNU General Public License version
duke@1:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@1:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1:  *
ohair@554:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554:  * or visit www.oracle.com if you need additional information or have any
ohair@554:  * questions.
duke@1:  */
duke@1: 
duke@1: /*
duke@1:  * @test
duke@1:  * @bug 4915435
duke@1:  * @summary NullPointerError in Resolve.findMethod() with foreach vs generics
duke@1:  * @author gafter
duke@1:  */
duke@1: 
duke@1: import java.util.List;
duke@1: import java.util.ArrayList;
duke@1: 
duke@1: public class ListOfListTest {
duke@1: 
duke@1:     public static void main(String[] argv) {
duke@1:         List<List<Integer>> ll = new ArrayList<List<Integer>>();
duke@1:         List<Integer> il = new ArrayList<Integer>();
duke@1:         ll.add(il);
duke@1:         il.add(1);
duke@1:         int sum = 0;
duke@1:         for (Integer i : ll.get(0)) {
duke@1:             sum = identity(sum) + i;
duke@1:         }
duke@1: 
duke@1:         if (sum != 1) throw new Error(""+sum);
duke@1: 
duke@1:         enumsToo();
duke@1:     }
duke@1: 
duke@1:     static int identity(Integer i) {
duke@1:         switch (i) {
duke@1:         case 0: return 0;
duke@1:         default: return i;
duke@1:         }
duke@1:     }
duke@1: 
duke@1:     enum E { a, b, c, d, e };
duke@1: 
duke@1:     static class Box<T> {
duke@1:         Box(T t) { this.t = t; }
duke@1:         T t;
duke@1:         T get() { return t; }
duke@1:     }
duke@1: 
duke@1:     static void enumsToo() {
duke@1:         Box<E> box = new Box<E>(E.c);
duke@1:         switch (box.get()) {
duke@1:         case a: throw new Error();
duke@1:         case c: break;
duke@1:         default: throw new Error();
duke@1:         }
duke@1:         Box<Integer> boxi = new Box<Integer>(12);
duke@1:         switch (boxi.get()) {
duke@1:         case 0: throw new Error();
duke@1:         case 12: break;
duke@1:         default: throw new Error();
duke@1:         }
duke@1:     }
duke@1: }