duke@1: /*
ohair@554:  * Copyright (c) 2003, 2004, 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 4921543 5009601
duke@1:  * @summary boxing/unboxing versus foreach crashes javac
duke@1:  * @author gafter
duke@1:  *
darcy@289:  * @compile BoxedForeach.java
duke@1:  * @run main BoxedForeach
duke@1:  */
duke@1: 
duke@1: import java.util.*;
duke@1: 
duke@1: public class BoxedForeach {
duke@1:     static void f(Integer[] a) {
duke@1:         for ( int i : a ) {
duke@1:             System.out.println(i);
duke@1:         }
duke@1:     }
duke@1:     static void f(Iterable<Integer> b) {
duke@1:         g(b);
duke@1:         h(b);
duke@1:         for ( int i : b ) {
duke@1:             System.out.println(i);
duke@1:         }
duke@1:         for ( float i : b ) {
duke@1:             System.out.println(i);
duke@1:         }
duke@1:         for ( Iterator<Integer> it = b.iterator(); it.hasNext(); ) {
duke@1:             float i = it.next();
duke@1:         }
duke@1:     }
duke@1:     static <T extends Integer> void g(Iterable<T> b) {
duke@1:         for ( int i : b ) {
duke@1:             System.out.println(i);
duke@1:         }
duke@1:     }
duke@1:     static void h(Iterable<? extends Integer> b) {
duke@1:         for ( int i : b ) {
duke@1:             System.out.println(i);
duke@1:         }
duke@1:     }
duke@1:     static void f(int[] c) {
duke@1:         for ( Integer i : c ) {
duke@1:             System.out.println(i);
duke@1:         }
duke@1:     }
duke@1:     static <E extends Enum<E>> void f(E[] values) {
duke@1:         for ( E e : values ) {
duke@1:             System.out.println(e);
duke@1:         }
duke@1:     }
duke@1:     static int f() {
duke@1:         for ( Foo f : foolist() ) {
duke@1:             return f.x;
duke@1:         }
duke@1:         return 0;
duke@1:     }
duke@1:     static List<Foo> foolist() {
duke@1:         List<Foo> l = new ArrayList<Foo>();
duke@1:         l.add(new Foo());
duke@1:         return l;
duke@1:     }
duke@1:     enum color { red, green, blue };
duke@1:     public static void main(String[] args) {
duke@1:         Integer[] a1 = { Integer.valueOf(1), Integer.valueOf(2) };
duke@1:         f(a1);
duke@1:         f(Arrays.asList(a1));
duke@1:         int[] a2 = { 1, 2, 3 };
duke@1:         f(a2);
duke@1:         f(color.values());
duke@1:         f();
duke@1:     }
duke@1: }
duke@1: 
duke@1: class Foo {
duke@1:     static int n = 0;
duke@1:     final int x;
duke@1:     Foo() {
duke@1:         x = n++;
duke@1:     }
duke@1: }
duke@1: 
duke@1: class A {
duke@1:     class B {
duke@1:     }
duke@1:     java.util.List<String> l;
duke@1:     String[] args;
duke@1:     {
duke@1:         for (String s1 : l) {
duke@1:             for (String s2 : l) {
duke@1:                 B b = new B();
duke@1:             }
duke@1:         }
duke@1:         for (String s1 : args) {
duke@1:             for (String s2 : args) {
duke@1:                 B b = new B();
duke@1:             }
duke@1:         }
duke@1:     }
duke@1: }