aoqi@0: /*
aoqi@0:  * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * @test
aoqi@0:  * @bug 4921543 5009601
aoqi@0:  * @summary boxing/unboxing versus foreach crashes javac
aoqi@0:  * @author gafter
aoqi@0:  *
aoqi@0:  * @compile BoxedForeach.java
aoqi@0:  * @run main BoxedForeach
aoqi@0:  */
aoqi@0: 
aoqi@0: import java.util.*;
aoqi@0: 
aoqi@0: public class BoxedForeach {
aoqi@0:     static void f(Integer[] a) {
aoqi@0:         for ( int i : a ) {
aoqi@0:             System.out.println(i);
aoqi@0:         }
aoqi@0:     }
aoqi@0:     static void f(Iterable<Integer> b) {
aoqi@0:         g(b);
aoqi@0:         h(b);
aoqi@0:         for ( int i : b ) {
aoqi@0:             System.out.println(i);
aoqi@0:         }
aoqi@0:         for ( float i : b ) {
aoqi@0:             System.out.println(i);
aoqi@0:         }
aoqi@0:         for ( Iterator<Integer> it = b.iterator(); it.hasNext(); ) {
aoqi@0:             float i = it.next();
aoqi@0:         }
aoqi@0:     }
aoqi@0:     static <T extends Integer> void g(Iterable<T> b) {
aoqi@0:         for ( int i : b ) {
aoqi@0:             System.out.println(i);
aoqi@0:         }
aoqi@0:     }
aoqi@0:     static void h(Iterable<? extends Integer> b) {
aoqi@0:         for ( int i : b ) {
aoqi@0:             System.out.println(i);
aoqi@0:         }
aoqi@0:     }
aoqi@0:     static void f(int[] c) {
aoqi@0:         for ( Integer i : c ) {
aoqi@0:             System.out.println(i);
aoqi@0:         }
aoqi@0:     }
aoqi@0:     static <E extends Enum<E>> void f(E[] values) {
aoqi@0:         for ( E e : values ) {
aoqi@0:             System.out.println(e);
aoqi@0:         }
aoqi@0:     }
aoqi@0:     static int f() {
aoqi@0:         for ( Foo f : foolist() ) {
aoqi@0:             return f.x;
aoqi@0:         }
aoqi@0:         return 0;
aoqi@0:     }
aoqi@0:     static List<Foo> foolist() {
aoqi@0:         List<Foo> l = new ArrayList<Foo>();
aoqi@0:         l.add(new Foo());
aoqi@0:         return l;
aoqi@0:     }
aoqi@0:     enum color { red, green, blue };
aoqi@0:     public static void main(String[] args) {
aoqi@0:         Integer[] a1 = { Integer.valueOf(1), Integer.valueOf(2) };
aoqi@0:         f(a1);
aoqi@0:         f(Arrays.asList(a1));
aoqi@0:         int[] a2 = { 1, 2, 3 };
aoqi@0:         f(a2);
aoqi@0:         f(color.values());
aoqi@0:         f();
aoqi@0:     }
aoqi@0: }
aoqi@0: 
aoqi@0: class Foo {
aoqi@0:     static int n = 0;
aoqi@0:     final int x;
aoqi@0:     Foo() {
aoqi@0:         x = n++;
aoqi@0:     }
aoqi@0: }
aoqi@0: 
aoqi@0: class A {
aoqi@0:     class B {
aoqi@0:     }
aoqi@0:     java.util.List<String> l;
aoqi@0:     String[] args;
aoqi@0:     {
aoqi@0:         for (String s1 : l) {
aoqi@0:             for (String s2 : l) {
aoqi@0:                 B b = new B();
aoqi@0:             }
aoqi@0:         }
aoqi@0:         for (String s1 : args) {
aoqi@0:             for (String s2 : args) {
aoqi@0:                 B b = new B();
aoqi@0:             }
aoqi@0:         }
aoqi@0:     }
aoqi@0: }