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 String[] iu = {
48 "ShenandoahLoadRefBarrier",
49 "ShenandoahIUBarrier",
50 "ShenandoahCASBarrier",
51 "ShenandoahCloneBarrier",
52 "ShenandoahStackWatermarkBarrier",
53 };
54
55 String[] generational = {
56 "ShenandoahCardBarrier"
57 };
58
59 shouldFailAll("-XX:ShenandoahGCHeuristics=adaptive", concurrent);
60 shouldFailAll("-XX:ShenandoahGCHeuristics=static", concurrent);
61 shouldFailAll("-XX:ShenandoahGCHeuristics=compact", concurrent);
62 shouldFailAll("-XX:ShenandoahGCHeuristics=aggressive", concurrent);
63 shouldFailAll("-XX:ShenandoahGCMode=iu", iu);
64 shouldPassAll("-XX:ShenandoahGCMode=passive", concurrent);
65 shouldPassAll("-XX:ShenandoahGCMode=passive", iu);
66 shouldPassAll("-XX:ShenandoahGCMode=passive", generational);
67 shouldPassAll("-XX:ShenandoahGCMode=satb", generational);
68 shouldFailAll("-XX:ShenandoahGCMode=generational", generational);
69 }
70
71 private static void shouldFailAll(String h, String[] barriers) throws Exception {
72 for (String b : barriers) {
73 OutputAnalyzer output = ProcessTools.executeLimitedTestJava(
74 "-Xmx128m",
75 "-XX:+UnlockDiagnosticVMOptions",
76 "-XX:+UnlockExperimentalVMOptions",
77 "-XX:+UseShenandoahGC",
78 h,
79 "-XX:-" + b,
80 "-version"
81 );
82 output.shouldNotHaveExitValue(0);
83 output.shouldContain("GC mode needs ");
84 output.shouldContain("to work correctly");
85 }
86 }
87
88 private static void shouldPassAll(String h, String[] barriers) throws Exception {
89 for (String b : barriers) {
90 OutputAnalyzer output = ProcessTools.executeLimitedTestJava(
91 "-Xmx128m",
92 "-XX:+UnlockDiagnosticVMOptions",
93 "-XX:+UnlockExperimentalVMOptions",
94 "-XX:+UseShenandoahGC",
95 h,
96 "-XX:-" + b,
97 "-version"
98 );
99 output.shouldHaveExitValue(0);
100 }
101 }
102
103 }