1/*
2 * Copyright (c) 2003, 2004, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * @test
26 * @bug 4921543 5009601
27 * @summary boxing/unboxing versus foreach crashes javac
28 * @author gafter
29 *
30 * @compile BoxedForeach.java
31 * @run main BoxedForeach
32 */
33
34import java.util.*;
35
36public class BoxedForeach {
37    static void f(Integer[] a) {
38        for ( int i : a ) {
39            System.out.println(i);
40        }
41    }
42    static void f(Iterable<Integer> b) {
43        g(b);
44        h(b);
45        for ( int i : b ) {
46            System.out.println(i);
47        }
48        for ( float i : b ) {
49            System.out.println(i);
50        }
51        for ( Iterator<Integer> it = b.iterator(); it.hasNext(); ) {
52            float i = it.next();
53        }
54    }
55    static <T extends Integer> void g(Iterable<T> b) {
56        for ( int i : b ) {
57            System.out.println(i);
58        }
59    }
60    static void h(Iterable<? extends Integer> b) {
61        for ( int i : b ) {
62            System.out.println(i);
63        }
64    }
65    static void f(int[] c) {
66        for ( Integer i : c ) {
67            System.out.println(i);
68        }
69    }
70    static <E extends Enum<E>> void f(E[] values) {
71        for ( E e : values ) {
72            System.out.println(e);
73        }
74    }
75    static int f() {
76        for ( Foo f : foolist() ) {
77            return f.x;
78        }
79        return 0;
80    }
81    static List<Foo> foolist() {
82        List<Foo> l = new ArrayList<Foo>();
83        l.add(new Foo());
84        return l;
85    }
86    enum color { red, green, blue };
87    public static void main(String[] args) {
88        Integer[] a1 = { Integer.valueOf(1), Integer.valueOf(2) };
89        f(a1);
90        f(Arrays.asList(a1));
91        int[] a2 = { 1, 2, 3 };
92        f(a2);
93        f(color.values());
94        f();
95    }
96}
97
98class Foo {
99    static int n = 0;
100    final int x;
101    Foo() {
102        x = n++;
103    }
104}
105
106class A {
107    class B {
108    }
109    java.util.List<String> l;
110    String[] args;
111    {
112        for (String s1 : l) {
113            for (String s2 : l) {
114                B b = new B();
115            }
116        }
117        for (String s1 : args) {
118            for (String s2 : args) {
119                B b = new B();
120            }
121        }
122    }
123}
124