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 }