Thu, 31 Aug 2017 15:17:03 +0800
merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | */ |
aoqi@0 | 23 | |
aoqi@0 | 24 | /* |
aoqi@0 | 25 | * @test |
aoqi@0 | 26 | * @bug 4253590 |
aoqi@0 | 27 | * @summary Verify that non-static constant fields are initialized correctly. |
aoqi@0 | 28 | * Also, while a runtime initialization is required, verify that |
aoqi@0 | 29 | * references to such fields via a simple variable are correctly |
aoqi@0 | 30 | * recognized as constant expressions. |
aoqi@0 | 31 | * @author maddox (adapted from bug report) |
aoqi@0 | 32 | * |
aoqi@0 | 33 | * @run compile ConstValInit.java |
aoqi@0 | 34 | * @run main ConstValInit |
aoqi@0 | 35 | */ |
aoqi@0 | 36 | |
aoqi@0 | 37 | public class ConstValInit { |
aoqi@0 | 38 | |
aoqi@0 | 39 | public final String fnl_str = "Test string"; |
aoqi@0 | 40 | |
aoqi@0 | 41 | public final int fnl_int = 1; |
aoqi@0 | 42 | |
aoqi@0 | 43 | public static void main(String args[]) throws Exception { |
aoqi@0 | 44 | |
aoqi@0 | 45 | Class checksClass = Class.forName("ConstValInit"); |
aoqi@0 | 46 | ConstValInit checksObject = (ConstValInit)(checksClass.newInstance()); |
aoqi@0 | 47 | String reflected_fnl_str = (String)checksClass.getField("fnl_str").get(checksObject); |
aoqi@0 | 48 | if (!checksObject.fnl_str.equals(reflected_fnl_str)) { |
aoqi@0 | 49 | throw new Exception("FAILED: ordinary and reflected field values differ"); |
aoqi@0 | 50 | } |
aoqi@0 | 51 | |
aoqi@0 | 52 | } |
aoqi@0 | 53 | |
aoqi@0 | 54 | void foo() { |
aoqi@0 | 55 | // Statement below will not compile if fnl_int is not recognized |
aoqi@0 | 56 | // as a constant expression. |
aoqi@0 | 57 | switch (1) { |
aoqi@0 | 58 | case fnl_int: break; |
aoqi@0 | 59 | } |
aoqi@0 | 60 | } |
aoqi@0 | 61 | |
aoqi@0 | 62 | } |