1 /*

     2  * Copyright 2001-2002 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  */

    23 

    24 /*

    25  * @test

    26  * @bug 4402864

    27  * @summary Verify that assertions are enabled before the class is initialized

    28  * and not thereafter

    29  * @author gafter

    30  *

    31  * @compile -source 1.4 EarlyAssert.java

    32  * @run main EarlyAssert

    33  */

    34 

    35 /*

    36  * Verify that assertions are enabled until the class is initialized

    37  */

    38 

    39 class EASuper {

    40     static {

    41         EarlyAssert.foo();

    42     }

    43 }

    44 

    45 public class EarlyAssert extends EASuper {

    46     static public void foo() {

    47         boolean assertionStatus = false;

    48         assert assertionStatus = true;

    49         if (!assertionStatus) {

    50             throw new Error("Assertions are not enabled before initialization as they should be.");

    51         }

    52     }

    53     public static void main(String[] args) {

    54         boolean assertionStatus = false;

    55         assert assertionStatus = true;

    56         if (assertionStatus) {

    57             throw new Error("Assertions are not disabled after initialization as they should be.");

    58         }

    59     }

    60 }