EarlyAssert.java revision 499:a3be81d385ee 
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 * @build EarlyAssert EarlyAssertWrapper
31 * @run main EarlyAssertWrapper
32 */
33
34/*
35 * Verify that assertions are enabled until the class is initialized
36 */
37
38class EASuper {
39    static {
40        EarlyAssert.foo();
41    }
42}
43
44public class EarlyAssert extends EASuper {
45    static public void foo() {
46        boolean assertionStatus = false;
47        assert assertionStatus = true;
48        if (!assertionStatus) {
49            throw new Error("Assertions are not enabled before initialization as they should be.");
50        }
51    }
52    public static void main(String[] args) {
53        boolean assertionStatus = false;
54        assert assertionStatus = true;
55        if (assertionStatus) {
56            throw new Error("Assertions are not disabled after initialization as they should be.");
57        }
58    }
59}
60