jdk8-mips64-public/langtools: test/tools/javac/ConstantValues/ConstValInit.java@9a66ca7c79fa

     1 /*

     2  * Copyright 1999 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    24 /*

    25  * @test

    26  * @bug 4253590

    27  * @summary Verify that non-static constant fields are initialized correctly.

    28  *          Also, while a runtime initialization is required, verify that

    29  *          references to such fields via a simple variable are correctly

    30  *          recognized as constant expressions.

    31  * @author maddox (adapted from bug report)

    32  *

    33  * @run compile ConstValInit.java

    34  * @run main ConstValInit

    35  */

    37 public class ConstValInit {

    39     public final String fnl_str = "Test string";

    41     public final int fnl_int = 1;

    43     public static void main(String args[]) throws Exception {

    45         Class checksClass = Class.forName("ConstValInit");

    46         ConstValInit checksObject = (ConstValInit)(checksClass.newInstance());

    47         String reflected_fnl_str = (String)checksClass.getField("fnl_str").get(checksObject);

    48         if (!checksObject.fnl_str.equals(reflected_fnl_str)) {

    49             throw new Exception("FAILED: ordinary and reflected field values differ");

    50         }

    52     }

    54     void foo() {

    55         // Statement below will not compile if fnl_int is not recognized

    56         // as a constant expression.

    57         switch (1) {

    58             case fnl_int: break;

    59         }

    60     }

    62 }

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