1 /* 2 * Copyright 2003 Sun Microsystems, Inc. All Rights Reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 */ 23 24 /* 25 * @test 26 * @bug 4915435 27 * @summary NullPointerError in Resolve.findMethod() with foreach vs generics 28 * @author gafter 29 * 30 * @compile -source 1.5 ListOfListTest.java 31 * @run main ListOfListTest 32 */ 33 34 import java.util.List; 35 import java.util.ArrayList; 36 37 public class ListOfListTest { 38 39 public static void main(String[] argv) { 40 List<List<Integer>> ll = new ArrayList<List<Integer>>(); 41 List<Integer> il = new ArrayList<Integer>(); 42 ll.add(il); 43 il.add(1); 44 int sum = 0; 45 for (Integer i : ll.get(0)) { 46 sum = identity(sum) + i; 47 } 48 49 if (sum != 1) throw new Error(""+sum); 50 51 enumsToo(); 52 } 53 54 static int identity(Integer i) { 55 switch (i) { 56 case 0: return 0; 57 default: return i; 58 } 59 } 60 61 enum E { a, b, c, d, e }; 62 63 static class Box<T> { 64 Box(T t) { this.t = t; } 65 T t; 66 T get() { return t; } 67 } 68 69 static void enumsToo() { 70 Box<E> box = new Box<E>(E.c); 71 switch (box.get()) { 72 case a: throw new Error(); 73 case c: break; 74 default: throw new Error(); 75 } 76 Box<Integer> boxi = new Box<Integer>(12); 77 switch (boxi.get()) { 78 case 0: throw new Error(); 79 case 12: break; 80 default: throw new Error(); 81 } 82 } 83 }