| /* |
| * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved. |
| * 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. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 4921543 5009601 |
| * @summary boxing/unboxing versus foreach crashes javac |
| * @author gafter |
| * |
| * @compile BoxedForeach.java |
| * @run main BoxedForeach |
| */ |
| |
| import java.util.*; |
| |
| public class BoxedForeach { |
| static void f(Integer[] a) { |
| for ( int i : a ) { |
| System.out.println(i); |
| } |
| } |
| static void f(Iterable<Integer> b) { |
| g(b); |
| h(b); |
| for ( int i : b ) { |
| System.out.println(i); |
| } |
| for ( float i : b ) { |
| System.out.println(i); |
| } |
| for ( Iterator<Integer> it = b.iterator(); it.hasNext(); ) { |
| float i = it.next(); |
| } |
| } |
| static <T extends Integer> void g(Iterable<T> b) { |
| for ( int i : b ) { |
| System.out.println(i); |
| } |
| } |
| static void h(Iterable<? extends Integer> b) { |
| for ( int i : b ) { |
| System.out.println(i); |
| } |
| } |
| static void f(int[] c) { |
| for ( Integer i : c ) { |
| System.out.println(i); |
| } |
| } |
| static <E extends Enum<E>> void f(E[] values) { |
| for ( E e : values ) { |
| System.out.println(e); |
| } |
| } |
| static int f() { |
| for ( Foo f : foolist() ) { |
| return f.x; |
| } |
| return 0; |
| } |
| static List<Foo> foolist() { |
| List<Foo> l = new ArrayList<Foo>(); |
| l.add(new Foo()); |
| return l; |
| } |
| enum color { red, green, blue }; |
| public static void main(String[] args) { |
| Integer[] a1 = { Integer.valueOf(1), Integer.valueOf(2) }; |
| f(a1); |
| f(Arrays.asList(a1)); |
| int[] a2 = { 1, 2, 3 }; |
| f(a2); |
| f(color.values()); |
| f(); |
| } |
| } |
| |
| class Foo { |
| static int n = 0; |
| final int x; |
| Foo() { |
| x = n++; |
| } |
| } |
| |
| class A { |
| class B { |
| } |
| java.util.List<String> l; |
| String[] args; |
| { |
| for (String s1 : l) { |
| for (String s2 : l) { |
| B b = new B(); |
| } |
| } |
| for (String s1 : args) { |
| for (String s2 : args) { |
| B b = new B(); |
| } |
| } |
| } |
| } |