1 /*
 2  * Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved.
 3  * Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
 4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 5  *
 6  * This code is free software; you can redistribute it and/or modify it
 7  * under the terms of the GNU General Public License version 2 only, as
 8  * published by the Free Software Foundation.
 9  *
10  * This code is distributed in the hope that it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13  * version 2 for more details (a copy is included in the LICENSE file that
14  * accompanied this code).
15  *
16  * You should have received a copy of the GNU General Public License version
17  * 2 along with this work; if not, write to the Free Software Foundation,
18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19  *
20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21  * or visit www.oracle.com if you need additional information or have any
22  * questions.
23  *
24  */
25 
26 /*
27  * @test id=default
28  * @requires vm.gc.Shenandoah
29  *
30  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -Xmx128m -XX:+ShenandoahVerify -XX:ShenandoahVerifyLevel=0 TestVerifyLevels
31  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -Xmx128m -XX:+ShenandoahVerify -XX:ShenandoahVerifyLevel=1 TestVerifyLevels
32  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -Xmx128m -XX:+ShenandoahVerify -XX:ShenandoahVerifyLevel=2 TestVerifyLevels
33  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -Xmx128m -XX:+ShenandoahVerify -XX:ShenandoahVerifyLevel=3 TestVerifyLevels
34  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -Xmx128m -XX:+ShenandoahVerify -XX:ShenandoahVerifyLevel=4 TestVerifyLevels
35  */
36 
37 /*
38  * @test id=generational
39  * @requires vm.gc.Shenandoah
40  *
41  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational -XX:+UnlockDiagnosticVMOptions -Xmx128m -XX:+ShenandoahVerify -XX:ShenandoahVerifyLevel=0 TestVerifyLevels
42  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational -XX:+UnlockDiagnosticVMOptions -Xmx128m -XX:+ShenandoahVerify -XX:ShenandoahVerifyLevel=1 TestVerifyLevels
43  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational -XX:+UnlockDiagnosticVMOptions -Xmx128m -XX:+ShenandoahVerify -XX:ShenandoahVerifyLevel=2 TestVerifyLevels
44  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational -XX:+UnlockDiagnosticVMOptions -Xmx128m -XX:+ShenandoahVerify -XX:ShenandoahVerifyLevel=3 TestVerifyLevels
45  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational -XX:+UnlockDiagnosticVMOptions -Xmx128m -XX:+ShenandoahVerify -XX:ShenandoahVerifyLevel=4 TestVerifyLevels
46  */
47 public class TestVerifyLevels {
48 
49     static final long TARGET_MB = Long.getLong("target", 1_000); // 1 Gb allocation
50 
51     static Object sink;
52 
53     public static void main(String[] args) throws Exception {
54         long count = TARGET_MB * 1024 * 1024 / 16;
55         for (long c = 0; c < count; c++) {
56             sink = new Object();
57         }
58     }
59 
60 }