Mon, 13 Dec 2010 15:11:00 -0800
6993978: Project Coin: Compiler support of annotation to reduce varargs warnings
Reviewed-by: jjg, darcy
duke@1 | 1 | /* |
ohair@554 | 2 | * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved. |
duke@1 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@1 | 4 | * |
duke@1 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@1 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@1 | 7 | * published by the Free Software Foundation. |
duke@1 | 8 | * |
duke@1 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@1 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@1 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@1 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@1 | 13 | * accompanied this code). |
duke@1 | 14 | * |
duke@1 | 15 | * You should have received a copy of the GNU General Public License version |
duke@1 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@1 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@1 | 18 | * |
ohair@554 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ohair@554 | 20 | * or visit www.oracle.com if you need additional information or have any |
ohair@554 | 21 | * questions. |
duke@1 | 22 | */ |
duke@1 | 23 | |
duke@1 | 24 | /** |
duke@1 | 25 | * @test |
duke@1 | 26 | * @bug 4244408 |
duke@1 | 27 | * @summary toString() should be called implicitly when += is used. |
duke@1 | 28 | * |
duke@1 | 29 | * @run main ImplicitToString |
duke@1 | 30 | */ |
duke@1 | 31 | |
duke@1 | 32 | |
duke@1 | 33 | // The failure for this test is a ClassCastException when the code is run. |
duke@1 | 34 | |
duke@1 | 35 | import java.util.ArrayList; |
duke@1 | 36 | |
duke@1 | 37 | public class ImplicitToString { |
duke@1 | 38 | public static void main(String[] args) { |
duke@1 | 39 | String s = ""; |
duke@1 | 40 | ArrayList al = new ArrayList(); |
duke@1 | 41 | al.add(new Object()); |
duke@1 | 42 | |
duke@1 | 43 | // In the following line, toString() should be implicitly called. |
duke@1 | 44 | s += al.get(0); |
duke@1 | 45 | } |
duke@1 | 46 | } |