1 /*
2 * Copyright (c) 2018, 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 disabling wrong barriers fails early
27 * @requires vm.gc.Shenandoah
28 * @library /test/lib
29 * @run driver TestWrongBarrierDisable
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 TestWrongBarrierDisable {
38
39 public static void main(String[] args) throws Exception {
40 String[] concurrent = {
41 "ShenandoahLoadRefBarrier",
42 "ShenandoahSATBBarrier",
43 "ShenandoahCASBarrier",
44 "ShenandoahCloneBarrier",
45 "ShenandoahStackWatermarkBarrier",
46 };
47
48 String[] generational = {
49 "ShenandoahCardBarrier"
50 };
51
52 shouldFailAll("-XX:ShenandoahGCHeuristics=adaptive", concurrent);
53 shouldFailAll("-XX:ShenandoahGCHeuristics=static", concurrent);
54 shouldFailAll("-XX:ShenandoahGCHeuristics=compact", concurrent);
55 shouldFailAll("-XX:ShenandoahGCHeuristics=aggressive", concurrent);
56 shouldPassAll("-XX:ShenandoahGCMode=passive", concurrent);
57 shouldPassAll("-XX:ShenandoahGCMode=passive", generational);
58 shouldPassAll("-XX:ShenandoahGCMode=satb", generational);
59 shouldFailAll("-XX:ShenandoahGCMode=generational", generational);
60 }
61
62 private static void shouldFailAll(String h, String[] barriers) throws Exception {
63 for (String b : barriers) {
64 OutputAnalyzer output = ProcessTools.executeLimitedTestJava(
65 "-Xmx128m",
66 "-XX:+UnlockDiagnosticVMOptions",
67 "-XX:+UnlockExperimentalVMOptions",
68 "-XX:+UseShenandoahGC",
69 h,
70 "-XX:-" + b,
71 "-version"
72 );
73 output.shouldNotHaveExitValue(0);
74 output.shouldContain("GC mode needs ");
75 output.shouldContain("to work correctly");
76 }
77 }
78
79 private static void shouldPassAll(String h, String[] barriers) throws Exception {
80 for (String b : barriers) {
81 OutputAnalyzer output = ProcessTools.executeLimitedTestJava(
82 "-Xmx128m",
83 "-XX:+UnlockDiagnosticVMOptions",
84 "-XX:+UnlockExperimentalVMOptions",
85 "-XX:+UseShenandoahGC",
86 h,
87 "-XX:-" + b,
88 "-version"
89 );
90 output.shouldHaveExitValue(0);
91 }
92 }
93
94 }