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 *
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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
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22 *
23 */
24
25 /* @test
26 * @summary Test that disabling wrong barriers fails early
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 "ShenandoahIUBarrier",
42 };
43 String[] iu = {
44 "ShenandoahSATBBarrier",
45 };
46 String[] generational = {
47 "ShenandoahCardBarrier"
48 };
49 String[] all = {
50 "ShenandoahSATBBarrier", "ShenandoahCardBarrier"
51 };
52
53 shouldFailAll("-XX:ShenandoahGCHeuristics=adaptive", concurrent);
54 shouldFailAll("-XX:ShenandoahGCHeuristics=static", concurrent);
55 shouldFailAll("-XX:ShenandoahGCHeuristics=compact", concurrent);
56 shouldFailAll("-XX:ShenandoahGCHeuristics=aggressive", concurrent);
57 shouldFailAll("-XX:ShenandoahGCMode=iu", iu);
58 shouldPassAll("-XX:ShenandoahGCMode=passive", concurrent);
59 shouldPassAll("-XX:ShenandoahGCMode=passive", iu);
60 shouldPassAll("-XX:ShenandoahGCMode=generational", all);
61 shouldFailAll("-XX:ShenandoahGCMode=satb", generational);
62 shouldFailAll("-XX:ShenandoahGCMode=passive", generational);
63 }
64
65 private static void shouldFailAll(String h, String[] barriers) throws Exception {
66 for (String b : barriers) {
67 OutputAnalyzer output = ProcessTools.executeLimitedTestJava(
68 "-Xmx128m",
69 "-XX:+UnlockDiagnosticVMOptions",
70 "-XX:+UnlockExperimentalVMOptions",
71 "-XX:+UseShenandoahGC",
72 h,
73 "-XX:+" + b,
74 "-version"
75 );
76 output.shouldNotHaveExitValue(0);
77 output.shouldContain("GC mode needs ");
78 output.shouldContain("to work correctly");
79 }
80 }
81
82 private static void shouldPassAll(String h, String[] barriers) throws Exception {
83 for (String b : barriers) {
84 OutputAnalyzer output = ProcessTools.executeLimitedTestJava(
85 "-Xmx128m",
86 "-XX:+UnlockDiagnosticVMOptions",
87 "-XX:+UnlockExperimentalVMOptions",
88 "-XX:+UseShenandoahGC",
89 h,
90 "-XX:+" + b,
91 "-version"
92 );
93 output.shouldHaveExitValue(0);
94 }
95 }
96 }