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