1 /*
2 * Copyright (c) 2020, Red Hat, 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
25 /* @test
26 * @summary Test that SATB barrier may be enabled for all modes
27 * @requires vm.gc.Shenandoah
28 * @library /test/lib
29 * @run driver TestWrongBarrierEnable
30 */
31
32 import java.util.*;
33
34 import jdk.test.lib.process.ProcessTools;
35 import jdk.test.lib.process.OutputAnalyzer;
36
37 public class TestWrongBarrierEnable {
38
39 public static void main(String[] args) throws Exception {
40 String[] concurrent = {
41 "ShenandoahSATBBarrier",
42 };
43 String[] generational = {
44 "ShenandoahCardBarrier"
45 };
46 String[] all = {
47 "ShenandoahSATBBarrier", "ShenandoahCardBarrier"
48 };
49 shouldPassAll("-XX:ShenandoahGCHeuristics=adaptive", concurrent);
50 shouldPassAll("-XX:ShenandoahGCHeuristics=static", concurrent);
51 shouldPassAll("-XX:ShenandoahGCHeuristics=compact", concurrent);
52 shouldPassAll("-XX:ShenandoahGCHeuristics=aggressive", concurrent);
53 shouldPassAll("-XX:ShenandoahGCMode=passive", concurrent);
54 shouldPassAll("-XX:ShenandoahGCMode=generational", all);
55 shouldFailAll("-XX:ShenandoahGCMode=satb", generational);
56 shouldFailAll("-XX:ShenandoahGCMode=passive", generational);
57 }
58
59 private static void shouldFailAll(String h, String[] barriers) throws Exception {
60 for (String b : barriers) {
61 OutputAnalyzer output = ProcessTools.executeLimitedTestJava(
62 "-Xmx128m",
63 "-XX:+UnlockDiagnosticVMOptions",
64 "-XX:+UnlockExperimentalVMOptions",
65 "-XX:+UseShenandoahGC",
66 h,
67 "-XX:+" + b,
68 "-version"
69 );
70 output.shouldNotHaveExitValue(0);
71 output.shouldContain("GC mode needs ");
72 output.shouldContain("to work correctly");
73 }
74 }
75
76 private static void shouldPassAll(String h, String[] barriers) throws Exception {
77 for (String b : barriers) {
78 OutputAnalyzer output = ProcessTools.executeLimitedTestJava(
79 "-Xmx128m",
80 "-XX:+UnlockDiagnosticVMOptions",
81 "-XX:+UnlockExperimentalVMOptions",
82 "-XX:+UseShenandoahGC",
83 h,
84 "-XX:+" + b,
85 "-version"
86 );
87 output.shouldHaveExitValue(0);
88 }
89 }
90 }