jdk8-mips64-public/langtools: test/tools/javac/ConstantValues/ConstValInlining.java@7909abb85562

     1 /*

     2  * Copyright (c) 1999, 2002, 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  */

    24 /*

    25  * @test

    26  * @bug 4253590 4255513 4115099

    27  * @summary Verify that non-static fields with a ConstValue attribute inlined only when used as a simple name.

    28  * @author maddox, gafter (adapted from leo's bug report)

    29  *

    30  * @run compile test_ff1.java

    31  * @run compile ConstValInlining.java

    32  * @run compile test_ff2.java

    33  * @run main ConstValInlining

    34  */

    36 public class ConstValInlining {

    38     void test() throws Exception {

    39         Class checksClass = Class.forName("test_ff");

    40         test_ff obj = new test_ff();

    41         String reflected_fnl_str = (String)checksClass.getField("fnl_str").get(obj);

    43         T t = new T();

    45         // even when used by a qualified name, the compiler must inline

    46         if (t.fnl_str.equals(reflected_fnl_str))

    47             throw new Exception("FAILED: compiler failed to inline a qualified nonstatic constant");

    49         // when used by an unqualified name, they must not differ

    50         t.test(reflected_fnl_str);

    51     }

    53     static class T extends test_ff {

    54         void test(String reflected) throws Exception {

    55             // when used by an unqualified qualified name, they must differ

    56             if (fnl_str.equals(reflected))

    57                 throw new Exception("FAILED: compiler failed to inline an unqualified nonstatic constant");

    58         }

    59     };

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

    62         new ConstValInlining().test();

    63     }

    64 }

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