1 /*
 2  * Copyright (c) 2021, Amazon, 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 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  */
23 
24 package gc.shenandoah.generational;
25 
26 import sun.hotspot.WhiteBox;
27 
28 /*
29  * @test TestCLIModeGenerational
30  * @requires vm.gc.Shenandoah
31  * @summary Test argument processing for -XX:+ShenandoahGCMode=generational.
32  * @library /testlibrary /test/lib /
33  * @build sun.hotspot.WhiteBox
34  * @run driver jdk.test.lib.helpers.ClassFileInstaller sun.hotspot.WhiteBox
35  * @run main/othervm -Xbootclasspath/a:.
36  *      -XX:+IgnoreUnrecognizedVMOptions
37  *      -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
38  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational
39  *      gc.shenandoah.generational.TestCLIModeGenerational
40  */
41 
42 public class TestCLIModeGenerational {
43 
44   private static WhiteBox wb = WhiteBox.getWhiteBox();
45 
46   public static void main(String args[]) throws Exception {
47     Boolean using_shenandoah = wb.getBooleanVMFlag("UseShenandoahGC");
48     String gc_mode = wb.getStringVMFlag("ShenandoahGCMode");
49     if (!using_shenandoah || !gc_mode.equals("generational"))
50       throw new IllegalStateException("Command-line options not honored!");
51   }
52 }
53