Mercurial > jdk8-mips64-public > langtools / annotate
test/tools/javac/foreach/ListOfListTest.java@8973372aedf8 (annotated)
test/tools/javac/foreach/ListOfListTest.java
Fri, 25 Jul 2008 12:05:43 +0100
- author
- mcimadamore
- date
- Fri, 25 Jul 2008 12:05:43 +0100
- changeset 81
- 8973372aedf8
- parent 1
- 9a66ca7c79fa
- child 289
- 84061bd68019
- permissions
- -rw-r--r--
6500701: Enhanced for loop with generics generates faulty bytecode
Summary: Lower is too strict when translating enhanced causing CCE to be thrown at runtime
Reviewed-by: jjg
| duke@1 | 1 | /* |
| duke@1 | 2 | * Copyright 2003 Sun Microsystems, Inc. All Rights Reserved. |
| duke@1 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@1 | 4 | * |
| duke@1 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@1 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@1 | 7 | * published by the Free Software Foundation. |
| duke@1 | 8 | * |
| duke@1 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@1 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@1 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@1 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@1 | 13 | * accompanied this code). |
| duke@1 | 14 | * |
| duke@1 | 15 | * You should have received a copy of the GNU General Public License version |
| duke@1 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@1 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@1 | 18 | * |
| duke@1 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| duke@1 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| duke@1 | 21 | * have any questions. |
| duke@1 | 22 | */ |
| duke@1 | 23 | |
| duke@1 | 24 | /* |
| duke@1 | 25 | * @test |
| duke@1 | 26 | * @bug 4915435 |
| duke@1 | 27 | * @summary NullPointerError in Resolve.findMethod() with foreach vs generics |
| duke@1 | 28 | * @author gafter |
| duke@1 | 29 | * |
| duke@1 | 30 | * @compile -source 1.5 ListOfListTest.java |
| duke@1 | 31 | * @run main ListOfListTest |
| duke@1 | 32 | */ |
| duke@1 | 33 | |
| duke@1 | 34 | import java.util.List; |
| duke@1 | 35 | import java.util.ArrayList; |
| duke@1 | 36 | |
| duke@1 | 37 | public class ListOfListTest { |
| duke@1 | 38 | |
| duke@1 | 39 | public static void main(String[] argv) { |
| duke@1 | 40 | List<List<Integer>> ll = new ArrayList<List<Integer>>(); |
| duke@1 | 41 | List<Integer> il = new ArrayList<Integer>(); |
| duke@1 | 42 | ll.add(il); |
| duke@1 | 43 | il.add(1); |
| duke@1 | 44 | int sum = 0; |
| duke@1 | 45 | for (Integer i : ll.get(0)) { |
| duke@1 | 46 | sum = identity(sum) + i; |
| duke@1 | 47 | } |
| duke@1 | 48 | |
| duke@1 | 49 | if (sum != 1) throw new Error(""+sum); |
| duke@1 | 50 | |
| duke@1 | 51 | enumsToo(); |
| duke@1 | 52 | } |
| duke@1 | 53 | |
| duke@1 | 54 | static int identity(Integer i) { |
| duke@1 | 55 | switch (i) { |
| duke@1 | 56 | case 0: return 0; |
| duke@1 | 57 | default: return i; |
| duke@1 | 58 | } |
| duke@1 | 59 | } |
| duke@1 | 60 | |
| duke@1 | 61 | enum E { a, b, c, d, e }; |
| duke@1 | 62 | |
| duke@1 | 63 | static class Box<T> { |
| duke@1 | 64 | Box(T t) { this.t = t; } |
| duke@1 | 65 | T t; |
| duke@1 | 66 | T get() { return t; } |
| duke@1 | 67 | } |
| duke@1 | 68 | |
| duke@1 | 69 | static void enumsToo() { |
| duke@1 | 70 | Box<E> box = new Box<E>(E.c); |
| duke@1 | 71 | switch (box.get()) { |
| duke@1 | 72 | case a: throw new Error(); |
| duke@1 | 73 | case c: break; |
| duke@1 | 74 | default: throw new Error(); |
| duke@1 | 75 | } |
| duke@1 | 76 | Box<Integer> boxi = new Box<Integer>(12); |
| duke@1 | 77 | switch (boxi.get()) { |
| duke@1 | 78 | case 0: throw new Error(); |
| duke@1 | 79 | case 12: break; |
| duke@1 | 80 | default: throw new Error(); |
| duke@1 | 81 | } |
| duke@1 | 82 | } |
| duke@1 | 83 | } |
