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